Nabble - w3.org - www-isaviz

Re: IsaViz with PHP

2008-08-10T04:41:20Z

Hello,

IsaViz is currently a standalone Java application, so you can't call
it as you'd like to. The RDF Validator would better suit your needs [1].

[1] http://www.w3.org/RDF/Validator/

best,
Emmanuel

On 31 juil. 08, at 11:54, Remon Georgy wrote:

> Hi there,
> I wonder if I could use IsaViz from PHP (i.e. send a RDF graph as a
> string to IsaViz to be converted to an image graph).
> Thanks in advance
> Remon.
>

--
Emmanuel Pietriga
INRIA Saclay - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

IsaViz with PHP

2008-07-31T02:54:41Z

Hi there,
I wonder if I could use IsaViz from PHP (i.e. send a RDF graph as a string to IsaViz to be converted to an image graph).
Thanks in advance
Remon.

RE: Problem starting IsaViz the first time.

2007-10-31T05:09:47Z

Emmanuel,

Success! Font was actually Dialog - changed it to Arial and all seems OK. Thanks.

Stewart Wallace
Project Manager, Dictionary of Sydney
61 2 417 420 155
www.dictionaryofsydney.org

-----Original Message-----
From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
Sent: Wednesday, 31 October 2007 20:39
To: Stewart Wallace
Cc: www-isaviz@...
Subject: Re: Problem starting IsaViz the first time.

I eventually managed to reproduce the problem on a Windows XP machine. It is the same problem as reported several times : GraphViz/ dot issues warning messages even when told to be quiet, and this causes the Java runtime call never to return. The SVG file actually gets generated, everything is fine, but the call to Runtime.exec() never returns.

I believe I have a workaround for you however (without changing the version of GraphViz) :
- in IsaViz, go to Edit/Preferences...
- select tab Rendering/GSS
- there is a good chance that the Graph/VTM font is set to Arial Unicode MS, and you might not have that font on your system
- select a font that you actually have on your system through the dialog box

This should solve your problem, as GraphViz will no longer complain about the missing font.

I'll also file a bug report for GraphViz about the fact that dot is not completely quiet when told to be.

Let me know if this works for you,
Emmanuel

On 28 oct. 07, at 07:58, Stewart Wallace wrote:

>
> Emmanuel,
>
> Graphviz is 2.14.1. Two files attached, both have same problem.
>
> Thanks,
>
>
>
> Stewart
> -----Original Message-----
> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
> Sent: Sunday, 28 October 2007 17:41
> To: Stewart Wallace
> Subject: Re: Problem starting IsaViz the first time.
>
> I'll try to reproduce the problem on an XP box. Can you send me that
> file again, and tell me which version of GraphViz you're using?
>
> Emmanuel
>
> On 28 oct. 07, at 03:27, Stewart Wallace wrote:
>
>> Emmanual,
>>
>> I had a go myself. These are the two lines after the amendment:
>>
>> ****************************************
>> String cmdArray[]={Editor.m_GraphVizPath.toString(),"-Tsvg","-q2","-
>> o",outputFileName,dotFileName};
>> //String cmdArray[]={Editor.m_GraphVizPath.toString(),"-Tsvg","-
>> o",outputFileName,dotFileName};
>> ****************************************
>>
>> I recompiled (note - I had to copy isv-manifest.mf to the root of
>> IsaViz before it did so successfully). Got the following listing
>> which I assume meant all was OK:
>>
>> ****************************************
>> Buildfile: build.xml
>> init:
>> isvbuild:
>> [javac] Compiling 1 source file to C:\PROGRA~1\IsaViz3s\classes
>> [javac] Note: C:\PROGRA~1\IsaViz3s\src\org\w3c\IsaViz
>> \RDFLoader.java uses or
>> overrides a deprecated API.
>> [javac] Note: Recompile with -Xlint:deprecation for details.
>> [javac] Note: C:\PROGRA~1\IsaViz3s\src\org\w3c\IsaViz
>> \RDFLoader.java uses un
>> checked or unsafe operations.
>> [javac] Note: Recompile with -Xlint:unchecked for details.
>> isvjar:
>> [jar] Building jar: C:\PROGRA~1\IsaViz3s\lib\isaviz.jar
>> BUILD SUCCESSFUL
>> Total time: 12 seconds
>> ****************************************
>>
>> A new isaviz.jar was created - size, 835,476.
>>
>> BUT - same problem - tried to load the same rdf file and it still got
>> stuck at "Calling Graphviz (this may take several minutes)..." -
>> waited 10 mins - no result.
>>
>> Any other thoughts? Or have you had a chance to re-compile this
>> version in case I'm doing something wrong?
>>
>> Thanks,
>>
>>
>>
>>
>> Stewart Wallace
>> Project Manager, Dictionary of Sydney
>> 61 2 417 420 155
>> www.dictionaryofsydney.org
>>
>>
>>
>> -----Original Message-----
>> From: Stewart Wallace
>> Sent: Wednesday, 17 October 2007 17:41
>> To: 'Emmanuel Pietriga'
>> Cc: www-isaviz@...
>> Subject: RE: Problem starting IsaViz the first time.
>>
>> Emmanual,
>>
>> I'm using a pre-compiled and generally prefer to avoid building/
>> compiling if possible - I would greatly appreciate it if you could
>> send me a compiled version for WinXP/JRE1.6.0_01.
>>
>>
>> Stewart
>>
>> -----Original Message-----
>> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
>> Sent: Wednesday, 17 October 2007 16:34
>> To: Stewart Wallace
>> Cc: www-isaviz@...
>> Subject: Re: Problem starting IsaViz the first time.
>>
>> This definitely sounds like the problem I've been describing with GV
>> warning messages causing the Runtime call never to return. Are you
>> using the 3.0-alpha/SVN version of IsaViz, or a pre-compiled version
>> ?
>>
>> If you'e using the latest version from SVN, one easy fix is to:
>> - comment out line 417 in src/org/w3c/IsaViz/RDFLoader.java
>> - uncomment line 416 in src/org/w3c/IsaViz/RDFLoader.java
>> - compile again with "ant isvjar"
>>
>> This will ask GraphViz to be silent and should solve the Runtime call
>> never returning issue.
>>
>> If you;re not using the latest SVN version, I can build such a
>> version of IsaViz, send it to you so that you can test it (I am not
>> able to reproduce the problem), and then I'll release a new version.
>>
>> Emmanuel
>>
>>
>> On 17 oct. 07, at 01:59, Stewart Wallace wrote:
>>
>>> Emmanual,
>>>
>>> I'm now trying this on my PC at the University which is pretty much
>>> the same setup as home - JRE is 1.6.0_01. Still having the same
>>> problems unfortunately.
>>>
>>> I ran the command you suggested and got 36 "Could not find/open
>>> font"
>>> messages. I've attached the temp input file. I've also attached
>>> the listing of my \GraphViz directory - are the fonts there? I'm
>>> not quite sure where I should be seeing them. My path for the Font
>>> Directory in Preferences is C:\Program Files\ATT \Graphviz but
>>> perhaps that's not pointing at what it should.
>>>
>>>
>>>
>>> Stewart
>>>
>>> -----Original Message-----
>>> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
>>> Sent: Wednesday, 17 October 2007 0:29
>>> To: Stewart Wallace
>>> Cc: www-isaviz@...
>>> Subject: Re: Problem starting IsaViz the first time.
>>>
>>> On 16 oct. 07, at 09:03, Stewart Wallace wrote:
>>>
>>>> Jvm 1.6.0_02, Windows XP Prof 2002 SP2. I closed the program,
>>>> closed the only other java program I had running (Protégé) and re-
>>>> started IsaViz. I noticed then that the Properties for the rdf
>>>> file were available so it got that far. It seems like GraphViz is
>>>> the issue - the import status gets as far as "Calling Graphviz
>>>> (this may take several minutes)..." before freezing.
>>>
>>>
>>> It could be that the GraphViz process outputs some warnings (maybe a
>>> missing font) that make Java think that the runtime call to dot
>>> never terminates. I this case there isn't any actual error, it is
>>> just that the call to Runtime.exec() never returns. If you want to
>>> find out if this is the src of the problem, you can try to get the
>>> temporary .dot file generated by IsaViz and run it manually through
>>> dot in a DOS prompt, just to see if it outputs anything.
>>>
>>> Use the following command line
>>>
>>> dot -Tsvg -o <out.svg> <in.dot>
>>>
>>>
>>>
>>>> It may not be relevant but I did at some stage get this message in
>>>> the command-line window...
>>>>
>>>> "[Fatal Error] isaviz.cfg:2:13: The prefix "isv" for element
>>>> "isv:config" is not bound."
>>>>
>>>> ... cfg is attached. This may have come up when I changed a
>>>> Preference Directory setting.
>>>
>>> Strange. Your .cfg file seems fine. If the error persists, you might
>>> want to delete it and save your prefs again from IsaViz.
>>> Anyway this is probably not related to the above issue.
>>>
>>> Emmanuel
>>>
>>>
>>>>
>>>>
>>>>
>>>> Stewart
>>>>
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
>>>> Sent: Tuesday, 16 October 2007 16:42
>>>> To: Stewart Wallace
>>>> Cc: www-isaviz@...
>>>> Subject: Re: Problem starting IsaViz the first time.
>>>>
>>>> Weird. I don't have access to 2.14 on the Mac (no build provided),
>>>> but it works fine with both 2.13 and 2.15-devel.
>>>>
>>>> What JVM and OS are you using ?
>>>>
>>>> Emmanuel
>>>>
>>>>
>>>> On 16 oct. 07, at 08:32, Stewart Wallace wrote:
>>>>
>>>>> No error message within IsaViz or in the command-line window.
>>>>> Graphviz is 2.14.1.
>>>>>
>>>>> -----Original Message-----
>>>>> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
>>>>> Sent: Tuesday, 16 October 2007 16:30
>>>>> To: Stewart Wallace
>>>>> Cc: www-isaviz@...
>>>>> Subject: Re: Problem starting IsaViz the first time.
>>>>>
>>>>> On 16 oct. 07, at 08:15, Stewart Wallace wrote:
>>>>>
>>>>>> Emmanuel,
>>>>>>
>>>>>> I've just got back to this and I'm still having trouble getting
>>>>>> underway. I installed the Alpha 3.0 version successfully on my
>>>>>> home PC (Windows XP) after having had the same problem with
>>>>>> 2.1 as
>>>>>> below.
>>>>>> Howwever, I'm just trying to import a small rdf file (attached
>>>>>> - a
>>>>>> Jena sample) to get started - the import status bar comes up,
>>>>>> goes to a bit over 50% and then doesn't move - I waited up to 20
>>>>>> mins with no result. No messages in the command-line window.
>>>>>>
>>>>>> Any thoughts?
>>>>>>
>>>>>> Thanks,
>>>>>
>>>>> Hello,
>>>>>
>>>>> I suppose you don't get any kind of error message, right?
>>>>>
>>>>> Your file works fine on my Mac (see attached screenshot). What
>>>>> version of GraphViz are you using?
>>>>>
>>>>> Emmanuel
>>>>> --
>>>>> Emmanuel Pietriga
>>>>> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
>>>>> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
>>>>> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>>>>>
>>>>
>>>> --
>>>> Emmanuel Pietriga
>>>> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
>>>> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
>>>> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>>>>
>>>>
>>>>
>>>> <isaviz.cfg>
>>>
>>> --
>>> Emmanuel Pietriga
>>> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
>>> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
>>> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>>>
>>>
>>>
>>> <isv35785.dot>
>>> <FILES.TXT>
>>
>> --
>> Emmanuel Pietriga
>> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
>> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
>> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>>
>>
>>
>
> --
> Emmanuel Pietriga
> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>
>
>
>
> <bloggers.rdf>
> <vc-db-2.rdf>

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Re: Problem starting IsaViz the first time.

2007-10-31T03:38:35Z

I eventually managed to reproduce the problem on a Windows XP
machine. It is the same problem as reported several times : GraphViz/
dot issues warning messages even when told to be quiet, and this
causes the Java runtime call never to return. The SVG file actually
gets generated, everything is fine, but the call to Runtime.exec()
never returns.

I believe I have a workaround for you however (without changing the
version of GraphViz) :
- in IsaViz, go to Edit/Preferences...
- select tab Rendering/GSS
- there is a good chance that the Graph/VTM font is set to Arial
Unicode MS, and you might not have that font on your system
- select a font that you actually have on your system through the
dialog box

This should solve your problem, as GraphViz will no longer complain
about the missing font.

I'll also file a bug report for GraphViz about the fact that dot is
not completely quiet when told to be.

Let me know if this works for you,
Emmanuel

On 28 oct. 07, at 07:58, Stewart Wallace wrote:

>
> Emmanuel,
>
> Graphviz is 2.14.1. Two files attached, both have same problem.
>
> Thanks,
>
>
>
> Stewart
> -----Original Message-----
> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
> Sent: Sunday, 28 October 2007 17:41
> To: Stewart Wallace
> Subject: Re: Problem starting IsaViz the first time.
>
> I'll try to reproduce the problem on an XP box. Can you send me
> that file again, and tell me which version of GraphViz you're using?
>
> Emmanuel
>
> On 28 oct. 07, at 03:27, Stewart Wallace wrote:
>
>> Emmanual,
>>
>> I had a go myself. These are the two lines after the amendment:
>>
>> ****************************************
>> String cmdArray[]={Editor.m_GraphVizPath.toString(),"-Tsvg","-q2","-
>> o",outputFileName,dotFileName};
>> //String cmdArray[]={Editor.m_GraphVizPath.toString(),"-Tsvg","-
>> o",outputFileName,dotFileName};
>> ****************************************
>>
>> I recompiled (note - I had to copy isv-manifest.mf to the root of
>> IsaViz before it did so successfully). Got the following listing
>> which I assume meant all was OK:
>>
>> ****************************************
>> Buildfile: build.xml
>> init:
>> isvbuild:
>> [javac] Compiling 1 source file to C:\PROGRA~1\IsaViz3s\classes
>> [javac] Note: C:\PROGRA~1\IsaViz3s\src\org\w3c\IsaViz
>> \RDFLoader.java uses or
>> overrides a deprecated API.
>> [javac] Note: Recompile with -Xlint:deprecation for details.
>> [javac] Note: C:\PROGRA~1\IsaViz3s\src\org\w3c\IsaViz
>> \RDFLoader.java uses un
>> checked or unsafe operations.
>> [javac] Note: Recompile with -Xlint:unchecked for details.
>> isvjar:
>> [jar] Building jar: C:\PROGRA~1\IsaViz3s\lib\isaviz.jar
>> BUILD SUCCESSFUL
>> Total time: 12 seconds
>> ****************************************
>>
>> A new isaviz.jar was created - size, 835,476.
>>
>> BUT - same problem - tried to load the same rdf file and it still got
>> stuck at "Calling Graphviz (this may take several minutes)..." -
>> waited 10 mins - no result.
>>
>> Any other thoughts? Or have you had a chance to re-compile this
>> version in case I'm doing something wrong?
>>
>> Thanks,
>>
>>
>>
>>
>> Stewart Wallace
>> Project Manager, Dictionary of Sydney
>> 61 2 417 420 155
>> www.dictionaryofsydney.org
>>
>>
>>
>> -----Original Message-----
>> From: Stewart Wallace
>> Sent: Wednesday, 17 October 2007 17:41
>> To: 'Emmanuel Pietriga'
>> Cc: www-isaviz@...
>> Subject: RE: Problem starting IsaViz the first time.
>>
>> Emmanual,
>>
>> I'm using a pre-compiled and generally prefer to avoid building/
>> compiling if possible - I would greatly appreciate it if you could
>> send me a compiled version for WinXP/JRE1.6.0_01.
>>
>>
>> Stewart
>>
>> -----Original Message-----
>> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
>> Sent: Wednesday, 17 October 2007 16:34
>> To: Stewart Wallace
>> Cc: www-isaviz@...
>> Subject: Re: Problem starting IsaViz the first time.
>>
>> This definitely sounds like the problem I've been describing with GV
>> warning messages causing the Runtime call never to return. Are you
>> using the 3.0-alpha/SVN version of IsaViz, or a pre-compiled
>> version ?
>>
>> If you'e using the latest version from SVN, one easy fix is to:
>> - comment out line 417 in src/org/w3c/IsaViz/RDFLoader.java
>> - uncomment line 416 in src/org/w3c/IsaViz/RDFLoader.java
>> - compile again with "ant isvjar"
>>
>> This will ask GraphViz to be silent and should solve the Runtime call
>> never returning issue.
>>
>> If you;re not using the latest SVN version, I can build such a
>> version
>> of IsaViz, send it to you so that you can test it (I am not able to
>> reproduce the problem), and then I'll release a new version.
>>
>> Emmanuel
>>
>>
>> On 17 oct. 07, at 01:59, Stewart Wallace wrote:
>>
>>> Emmanual,
>>>
>>> I'm now trying this on my PC at the University which is pretty much
>>> the same setup as home - JRE is 1.6.0_01. Still having the same
>>> problems unfortunately.
>>>
>>> I ran the command you suggested and got 36 "Could not find/open
>>> font"
>>> messages. I've attached the temp input file. I've also attached
>>> the
>>> listing of my \GraphViz directory - are the fonts there? I'm not
>>> quite sure where I should be seeing them. My path for the Font
>>> Directory in Preferences is C:\Program Files\ATT \Graphviz but
>>> perhaps that's not pointing at what it should.
>>>
>>>
>>>
>>> Stewart
>>>
>>> -----Original Message-----
>>> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
>>> Sent: Wednesday, 17 October 2007 0:29
>>> To: Stewart Wallace
>>> Cc: www-isaviz@...
>>> Subject: Re: Problem starting IsaViz the first time.
>>>
>>> On 16 oct. 07, at 09:03, Stewart Wallace wrote:
>>>
>>>> Jvm 1.6.0_02, Windows XP Prof 2002 SP2. I closed the program,
>>>> closed the only other java program I had running (Protégé) and re-
>>>> started IsaViz. I noticed then that the Properties for the rdf
>>>> file
>>>> were available so it got that far. It seems like GraphViz is the
>>>> issue - the import status gets as far as "Calling Graphviz (this
>>>> may
>>>> take several minutes)..." before freezing.
>>>
>>>
>>> It could be that the GraphViz process outputs some warnings (maybe a
>>> missing font) that make Java think that the runtime call to dot
>>> never
>>> terminates. I this case there isn't any actual error, it is just
>>> that
>>> the call to Runtime.exec() never returns. If you want to find out if
>>> this is the src of the problem, you can try to get the
>>> temporary .dot
>>> file generated by IsaViz and run it manually through dot in a DOS
>>> prompt, just to see if it outputs anything.
>>>
>>> Use the following command line
>>>
>>> dot -Tsvg -o <out.svg> <in.dot>
>>>
>>>
>>>
>>>> It may not be relevant but I did at some stage get this message in
>>>> the command-line window...
>>>>
>>>> "[Fatal Error] isaviz.cfg:2:13: The prefix "isv" for element
>>>> "isv:config" is not bound."
>>>>
>>>> ... cfg is attached. This may have come up when I changed a
>>>> Preference Directory setting.
>>>
>>> Strange. Your .cfg file seems fine. If the error persists, you might
>>> want to delete it and save your prefs again from IsaViz.
>>> Anyway this is probably not related to the above issue.
>>>
>>> Emmanuel
>>>
>>>
>>>>
>>>>
>>>>
>>>> Stewart
>>>>
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
>>>> Sent: Tuesday, 16 October 2007 16:42
>>>> To: Stewart Wallace
>>>> Cc: www-isaviz@...
>>>> Subject: Re: Problem starting IsaViz the first time.
>>>>
>>>> Weird. I don't have access to 2.14 on the Mac (no build provided),
>>>> but it works fine with both 2.13 and 2.15-devel.
>>>>
>>>> What JVM and OS are you using ?
>>>>
>>>> Emmanuel
>>>>
>>>>
>>>> On 16 oct. 07, at 08:32, Stewart Wallace wrote:
>>>>
>>>>> No error message within IsaViz or in the command-line window.
>>>>> Graphviz is 2.14.1.
>>>>>
>>>>> -----Original Message-----
>>>>> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
>>>>> Sent: Tuesday, 16 October 2007 16:30
>>>>> To: Stewart Wallace
>>>>> Cc: www-isaviz@...
>>>>> Subject: Re: Problem starting IsaViz the first time.
>>>>>
>>>>> On 16 oct. 07, at 08:15, Stewart Wallace wrote:
>>>>>
>>>>>> Emmanuel,
>>>>>>
>>>>>> I've just got back to this and I'm still having trouble getting
>>>>>> underway. I installed the Alpha 3.0 version successfully on my
>>>>>> home PC (Windows XP) after having had the same problem with
>>>>>> 2.1 as
>>>>>> below.
>>>>>> Howwever, I'm just trying to import a small rdf file (attached
>>>>>> - a
>>>>>> Jena sample) to get started - the import status bar comes up,
>>>>>> goes
>>>>>> to a bit over 50% and then doesn't move - I waited up to 20 mins
>>>>>> with no result. No messages in the command-line window.
>>>>>>
>>>>>> Any thoughts?
>>>>>>
>>>>>> Thanks,
>>>>>
>>>>> Hello,
>>>>>
>>>>> I suppose you don't get any kind of error message, right?
>>>>>
>>>>> Your file works fine on my Mac (see attached screenshot). What
>>>>> version of GraphViz are you using?
>>>>>
>>>>> Emmanuel
>>>>> --
>>>>> Emmanuel Pietriga
>>>>> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
>>>>> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
>>>>> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>>>>>
>>>>
>>>> --
>>>> Emmanuel Pietriga
>>>> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
>>>> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
>>>> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>>>>
>>>>
>>>>
>>>> <isaviz.cfg>
>>>
>>> --
>>> Emmanuel Pietriga
>>> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
>>> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
>>> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>>>
>>>
>>>
>>> <isv35785.dot>
>>> <FILES.TXT>
>>
>> --
>> Emmanuel Pietriga
>> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
>> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
>> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>>
>>
>>
>
> --
> Emmanuel Pietriga
> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>
>
>
>
> <bloggers.rdf>
> <vc-db-2.rdf>

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Re: IsaViz API ?

2007-10-18T09:39:58Z

On 18 oct. 07, at 07:11, BSKamel wrote:

>
> Hi
>
> In my current project , I have developed a Semantic Web application
> (based
> on OWL DL), using Jena 2.5.4 and a DL resoner. The orginal model
> (not the
> inferred model) is read from database and the reasoner infers the
> additional
> triples and then the model is built in memory .
>
> I'd like to know if I can use IsaViz API in my project to show
> different
> parts of my ontology (instances or classes) to the user , either
> the entire
> ontology classes/properties or instances according to a SPARQL query.

Hello,

IsaViz has been designed as a standalone application. You could
achieve your goal fairly easily, but it requires customizing IsaViz'
code. There is no off the shelf component right now that lets you do
what you want with just a few API calls.

This will change in the near future (only for the visualization, not
the editing), but probably not before several months.

Emmanuel

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

IsaViz API ?

2007-10-17T23:11:57Z

Hi

In my current project , I have developed a Semantic Web application (based on OWL DL), using Jena 2.5.4 and a DL resoner. The orginal model (not the inferred model) is read from database and the reasoner infers the additional triples and then the model is built in memory .

I'd like to know if I can use IsaViz API in my project to show different parts of my ontology (instances or classes) to the user , either the entire ontology classes/properties or instances according to a SPARQL query.

Thank you in advance.
BSKamel

IsaViz API ?

2007-10-17T08:57:32Z

Hi

In my current project , I have developed a Semantic Web application (based on OWL DL), using Jena 2.5.4 and a DL resoner. The orginal model (not the inferred model) is read from database and the reasoner infers the additional triples and then the model is built in memory .

I'd like to know if I can use IsaViz API in my project to show different parts of my ontology (instances or classes) to the user , either the entire ontology classes/properties or instances according to a SPARQL query.

Thank you in advance.
BSKamel

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IsaViz API ?

2007-10-17T07:52:58Z

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RE: Problem starting IsaViz the first time.

2007-10-17T01:40:49Z

Emmanual,

I'm using a pre-compiled and generally prefer to avoid building/compiling if possible - I would greatly appreciate it if you could send me a compiled version for WinXP/JRE1.6.0_01.

Stewart

-----Original Message-----
From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
Sent: Wednesday, 17 October 2007 16:34
To: Stewart Wallace
Cc: www-isaviz@...
Subject: Re: Problem starting IsaViz the first time.

This definitely sounds like the problem I've been describing with GV warning messages causing the Runtime call never to return. Are you using the 3.0-alpha/SVN version of IsaViz, or a pre-compiled version ?

If you'e using the latest version from SVN, one easy fix is to:
- comment out line 417 in src/org/w3c/IsaViz/RDFLoader.java
- uncomment line 416 in src/org/w3c/IsaViz/RDFLoader.java
- compile again with "ant isvjar"

This will ask GraphViz to be silent and should solve the Runtime call never returning issue.

If you;re not using the latest SVN version, I can build such a version of IsaViz, send it to you so that you can test it (I am not able to reproduce the problem), and then I'll release a new version.

Emmanuel

On 17 oct. 07, at 01:59, Stewart Wallace wrote:

> Emmanual,
>
> I'm now trying this on my PC at the University which is pretty much
> the same setup as home - JRE is 1.6.0_01. Still having the same
> problems unfortunately.
>
> I ran the command you suggested and got 36 "Could not find/open font"
> messages. I've attached the temp input file. I've also attached the
> listing of my \GraphViz directory - are the fonts there? I'm not
> quite sure where I should be seeing them. My path for the Font
> Directory in Preferences is C:\Program Files\ATT \Graphviz but perhaps
> that's not pointing at what it should.
>
>
>
> Stewart
>
> -----Original Message-----
> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
> Sent: Wednesday, 17 October 2007 0:29
> To: Stewart Wallace
> Cc: www-isaviz@...
> Subject: Re: Problem starting IsaViz the first time.
>
> On 16 oct. 07, at 09:03, Stewart Wallace wrote:
>
>> Jvm 1.6.0_02, Windows XP Prof 2002 SP2. I closed the program, closed
>> the only other java program I had running (Protégé) and re- started
>> IsaViz. I noticed then that the Properties for the rdf file were
>> available so it got that far. It seems like GraphViz is the issue -
>> the import status gets as far as "Calling Graphviz (this may take
>> several minutes)..." before freezing.
>
>
> It could be that the GraphViz process outputs some warnings (maybe a
> missing font) that make Java think that the runtime call to dot never
> terminates. I this case there isn't any actual error, it is just that
> the call to Runtime.exec() never returns. If you want to find out if
> this is the src of the problem, you can try to get the temporary .dot
> file generated by IsaViz and run it manually through dot in a DOS
> prompt, just to see if it outputs anything.
>
> Use the following command line
>
> dot -Tsvg -o <out.svg> <in.dot>
>
>
>
>> It may not be relevant but I did at some stage get this message in
>> the command-line window...
>>
>> "[Fatal Error] isaviz.cfg:2:13: The prefix "isv" for element
>> "isv:config" is not bound."
>>
>> ... cfg is attached. This may have come up when I changed a
>> Preference Directory setting.
>
> Strange. Your .cfg file seems fine. If the error persists, you might
> want to delete it and save your prefs again from IsaViz.
> Anyway this is probably not related to the above issue.
>
> Emmanuel
>
>
>>
>>
>>
>> Stewart
>>
>>
>>
>>
>> -----Original Message-----
>> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
>> Sent: Tuesday, 16 October 2007 16:42
>> To: Stewart Wallace
>> Cc: www-isaviz@...
>> Subject: Re: Problem starting IsaViz the first time.
>>
>> Weird. I don't have access to 2.14 on the Mac (no build provided),
>> but it works fine with both 2.13 and 2.15-devel.
>>
>> What JVM and OS are you using ?
>>
>> Emmanuel
>>
>>
>> On 16 oct. 07, at 08:32, Stewart Wallace wrote:
>>
>>> No error message within IsaViz or in the command-line window.
>>> Graphviz is 2.14.1.
>>>
>>> -----Original Message-----
>>> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
>>> Sent: Tuesday, 16 October 2007 16:30
>>> To: Stewart Wallace
>>> Cc: www-isaviz@...
>>> Subject: Re: Problem starting IsaViz the first time.
>>>
>>> On 16 oct. 07, at 08:15, Stewart Wallace wrote:
>>>
>>>> Emmanuel,
>>>>
>>>> I've just got back to this and I'm still having trouble getting
>>>> underway. I installed the Alpha 3.0 version successfully on my
>>>> home PC (Windows XP) after having had the same problem with 2.1 as
>>>> below.
>>>> Howwever, I'm just trying to import a small rdf file (attached - a
>>>> Jena sample) to get started - the import status bar comes up, goes
>>>> to a bit over 50% and then doesn't move - I waited up to 20 mins
>>>> with no result. No messages in the command-line window.
>>>>
>>>> Any thoughts?
>>>>
>>>> Thanks,
>>>
>>> Hello,
>>>
>>> I suppose you don't get any kind of error message, right?
>>>
>>> Your file works fine on my Mac (see attached screenshot). What
>>> version of GraphViz are you using?
>>>
>>> Emmanuel
>>> --
>>> Emmanuel Pietriga
>>> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
>>> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
>>> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>>>
>>
>> --
>> Emmanuel Pietriga
>> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
>> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
>> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>>
>>
>>
>> <isaviz.cfg>
>
> --
> Emmanuel Pietriga
> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>
>
>
> <isv35785.dot>
> <FILES.TXT>

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Re: Problem starting IsaViz the first time.

2007-10-17T00:33:35Z

This definitely sounds like the problem I've been describing with GV
warning messages causing the Runtime call never to return. Are you
using the 3.0-alpha/SVN version of IsaViz, or a pre-compiled version ?

If you'e using the latest version from SVN, one easy fix is to:
- comment out line 417 in src/org/w3c/IsaViz/RDFLoader.java
- uncomment line 416 in src/org/w3c/IsaViz/RDFLoader.java
- compile again with "ant isvjar"

This will ask GraphViz to be silent and should solve the Runtime call
never returning issue.

If you;re not using the latest SVN version, I can build such a
version of IsaViz, send it to you so that you can test it (I am not
able to reproduce the problem), and then I'll release a new version.

Emmanuel

On 17 oct. 07, at 01:59, Stewart Wallace wrote:

> Emmanual,
>
> I'm now trying this on my PC at the University which is pretty much
> the same setup as home - JRE is 1.6.0_01. Still having the same
> problems unfortunately.
>
> I ran the command you suggested and got 36 "Could not find/open
> font" messages. I've attached the temp input file. I've also
> attached the listing of my \GraphViz directory - are the fonts
> there? I'm not quite sure where I should be seeing them. My path
> for the Font Directory in Preferences is C:\Program Files\ATT
> \Graphviz but perhaps that's not pointing at what it should.
>
>
>
> Stewart
>
> -----Original Message-----
> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
> Sent: Wednesday, 17 October 2007 0:29
> To: Stewart Wallace
> Cc: www-isaviz@...
> Subject: Re: Problem starting IsaViz the first time.
>
> On 16 oct. 07, at 09:03, Stewart Wallace wrote:
>
>> Jvm 1.6.0_02, Windows XP Prof 2002 SP2. I closed the program, closed
>> the only other java program I had running (Protégé) and re- started
>> IsaViz. I noticed then that the Properties for the rdf file were
>> available so it got that far. It seems like GraphViz is the issue -
>> the import status gets as far as "Calling Graphviz (this may take
>> several minutes)..." before freezing.
>
>
> It could be that the GraphViz process outputs some warnings (maybe
> a missing font) that make Java think that the runtime call to dot
> never terminates. I this case there isn't any actual error, it is
> just that the call to Runtime.exec() never returns. If you want to
> find out if this is the src of the problem, you can try to get the
> temporary .dot file generated by IsaViz and run it manually through
> dot in a DOS prompt, just to see if it outputs anything.
>
> Use the following command line
>
> dot -Tsvg -o <out.svg> <in.dot>
>
>
>
>> It may not be relevant but I did at some stage get this message in
>> the
>> command-line window...
>>
>> "[Fatal Error] isaviz.cfg:2:13: The prefix "isv" for element
>> "isv:config" is not bound."
>>
>> ... cfg is attached. This may have come up when I changed a
>> Preference Directory setting.
>
> Strange. Your .cfg file seems fine. If the error persists, you
> might want to delete it and save your prefs again from IsaViz.
> Anyway this is probably not related to the above issue.
>
> Emmanuel
>
>
>>
>>
>>
>> Stewart
>>
>>
>>
>>
>> -----Original Message-----
>> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
>> Sent: Tuesday, 16 October 2007 16:42
>> To: Stewart Wallace
>> Cc: www-isaviz@...
>> Subject: Re: Problem starting IsaViz the first time.
>>
>> Weird. I don't have access to 2.14 on the Mac (no build provided),
>> but
>> it works fine with both 2.13 and 2.15-devel.
>>
>> What JVM and OS are you using ?
>>
>> Emmanuel
>>
>>
>> On 16 oct. 07, at 08:32, Stewart Wallace wrote:
>>
>>> No error message within IsaViz or in the command-line window.
>>> Graphviz is 2.14.1.
>>>
>>> -----Original Message-----
>>> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
>>> Sent: Tuesday, 16 October 2007 16:30
>>> To: Stewart Wallace
>>> Cc: www-isaviz@...
>>> Subject: Re: Problem starting IsaViz the first time.
>>>
>>> On 16 oct. 07, at 08:15, Stewart Wallace wrote:
>>>
>>>> Emmanuel,
>>>>
>>>> I've just got back to this and I'm still having trouble getting
>>>> underway. I installed the Alpha 3.0 version successfully on my
>>>> home
>>>> PC (Windows XP) after having had the same problem with 2.1 as
>>>> below.
>>>> Howwever, I'm just trying to import a small rdf file (attached - a
>>>> Jena sample) to get started - the import status bar comes up, goes
>>>> to a bit over 50% and then doesn't move - I waited up to 20 mins
>>>> with no result. No messages in the command-line window.
>>>>
>>>> Any thoughts?
>>>>
>>>> Thanks,
>>>
>>> Hello,
>>>
>>> I suppose you don't get any kind of error message, right?
>>>
>>> Your file works fine on my Mac (see attached screenshot). What
>>> version of GraphViz are you using?
>>>
>>> Emmanuel
>>> --
>>> Emmanuel Pietriga
>>> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
>>> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
>>> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>>>
>>
>> --
>> Emmanuel Pietriga
>> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
>> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
>> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>>
>>
>>
>> <isaviz.cfg>
>
> --
> Emmanuel Pietriga
> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>
>
>
> <isv35785.dot>
> <FILES.TXT>

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Re: Problem starting IsaViz the first time.

2007-10-16T08:29:05Z

On 16 oct. 07, at 09:03, Stewart Wallace wrote:

> Jvm 1.6.0_02, Windows XP Prof 2002 SP2. I closed the program,
> closed the only other java program I had running (Protégé) and re-
> started IsaViz. I noticed then that the Properties for the rdf
> file were available so it got that far. It seems like GraphViz is
> the issue - the import status gets as far as "Calling Graphviz
> (this may take several minutes)..." before freezing.

It could be that the GraphViz process outputs some warnings (maybe a
missing font) that make Java think that the runtime call to dot never
terminates. I this case there isn't any actual error, it is just that
the call to Runtime.exec() never returns. If you want to find out if
this is the src of the problem, you can try to get the temporary .dot
file generated by IsaViz and run it manually through dot in a DOS
prompt, just to see if it outputs anything.

Use the following command line

dot -Tsvg -o <out.svg> <in.dot>

> It may not be relevant but I did at some stage get this message in
> the command-line window...
>
> "[Fatal Error] isaviz.cfg:2:13: The prefix "isv" for element
> "isv:config" is not
> bound."
>
> ... cfg is attached. This may have come up when I changed a
> Preference Directory setting.

Strange. Your .cfg file seems fine. If the error persists, you might
want to delete it and save your prefs again from IsaViz. Anyway this
is probably not related to the above issue.

Emmanuel

>
>
>
> Stewart
>
>
>
>
> -----Original Message-----
> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
> Sent: Tuesday, 16 October 2007 16:42
> To: Stewart Wallace
> Cc: www-isaviz@...
> Subject: Re: Problem starting IsaViz the first time.
>
> Weird. I don't have access to 2.14 on the Mac (no build provided),
> but it works fine with both 2.13 and 2.15-devel.
>
> What JVM and OS are you using ?
>
> Emmanuel
>
>
> On 16 oct. 07, at 08:32, Stewart Wallace wrote:
>
>> No error message within IsaViz or in the command-line window.
>> Graphviz is 2.14.1.
>>
>> -----Original Message-----
>> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
>> Sent: Tuesday, 16 October 2007 16:30
>> To: Stewart Wallace
>> Cc: www-isaviz@...
>> Subject: Re: Problem starting IsaViz the first time.
>>
>> On 16 oct. 07, at 08:15, Stewart Wallace wrote:
>>
>>> Emmanuel,
>>>
>>> I've just got back to this and I'm still having trouble getting
>>> underway. I installed the Alpha 3.0 version successfully on my home
>>> PC (Windows XP) after having had the same problem with 2.1 as below.
>>> Howwever, I'm just trying to import a small rdf file (attached - a
>>> Jena sample) to get started - the import status bar comes up,
>>> goes to
>>> a bit over 50% and then doesn't move - I waited up to 20 mins
>>> with no
>>> result. No messages in the command-line window.
>>>
>>> Any thoughts?
>>>
>>> Thanks,
>>
>> Hello,
>>
>> I suppose you don't get any kind of error message, right?
>>
>> Your file works fine on my Mac (see attached screenshot). What
>> version
>> of GraphViz are you using?
>>
>> Emmanuel
>> --
>> Emmanuel Pietriga
>> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
>> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
>> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>>
>
> --
> Emmanuel Pietriga
> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>
>
>
> <isaviz.cfg>

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Re: Problem starting IsaViz the first time.

2007-10-16T00:41:59Z

Weird. I don't have access to 2.14 on the Mac (no build provided),
but it works fine with both 2.13 and 2.15-devel.

What JVM and OS are you using ?

Emmanuel

On 16 oct. 07, at 08:32, Stewart Wallace wrote:

> No error message within IsaViz or in the command-line window.
> Graphviz is 2.14.1.
>
> -----Original Message-----
> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
> Sent: Tuesday, 16 October 2007 16:30
> To: Stewart Wallace
> Cc: www-isaviz@...
> Subject: Re: Problem starting IsaViz the first time.
>
> On 16 oct. 07, at 08:15, Stewart Wallace wrote:
>
>> Emmanuel,
>>
>> I've just got back to this and I'm still having trouble getting
>> underway. I installed the Alpha 3.0 version successfully on my home
>> PC (Windows XP) after having had the same problem with 2.1 as below.
>> Howwever, I'm just trying to import a small rdf file (attached - a
>> Jena sample) to get started - the import status bar comes up, goes to
>> a bit over 50% and then doesn't move - I waited up to 20 mins with no
>> result. No messages in the command-line window.
>>
>> Any thoughts?
>>
>> Thanks,
>
> Hello,
>
> I suppose you don't get any kind of error message, right?
>
> Your file works fine on my Mac (see attached screenshot). What
> version of GraphViz are you using?
>
> Emmanuel
> --
> Emmanuel Pietriga
> INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
> Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
> 91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga
>

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

RE: Problem starting IsaViz the first time.

2007-10-16T00:32:58Z

No error message within IsaViz or in the command-line window. Graphviz is 2.14.1.

-----Original Message-----
From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
Sent: Tuesday, 16 October 2007 16:30
To: Stewart Wallace
Cc: www-isaviz@...
Subject: Re: Problem starting IsaViz the first time.

On 16 oct. 07, at 08:15, Stewart Wallace wrote:

> Emmanuel,
>
> I've just got back to this and I'm still having trouble getting
> underway. I installed the Alpha 3.0 version successfully on my home
> PC (Windows XP) after having had the same problem with 2.1 as below.
> Howwever, I'm just trying to import a small rdf file (attached - a
> Jena sample) to get started - the import status bar comes up, goes to
> a bit over 50% and then doesn't move - I waited up to 20 mins with no
> result. No messages in the command-line window.
>
> Any thoughts?
>
> Thanks,

Hello,

I suppose you don't get any kind of error message, right?

Your file works fine on my Mac (see attached screenshot). What version of GraphViz are you using?

Emmanuel
--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Re: Problem starting IsaViz the first time.

2007-10-16T00:29:34Z

On 16 oct. 07, at 08:15, Stewart Wallace wrote:

> Emmanuel,
>
> I've just got back to this and I'm still having trouble getting
> underway. I installed the Alpha 3.0 version successfully on my
> home PC (Windows XP) after having had the same problem with 2.1 as
> below. Howwever, I'm just trying to import a small rdf file
> (attached - a Jena sample) to get started - the import status bar
> comes up, goes to a bit over 50% and then doesn't move - I waited
> up to 20 mins with no result. No messages in the command-line window.
>
> Any thoughts?
>
> Thanks,

Hello,

I suppose you don't get any kind of error message, right?

Your file works fine on my Mac (see attached screenshot). What
version of GraphViz are you using?

Emmanuel
--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Picture 1.png (104 bytes) Download Attachment
Picture 1.png (154K) Download Attachment

FW: Problem starting IsaViz the first time.

2007-10-16T00:15:22Z

Re: Problem starting IsaViz the first time.

Emmanuel,

I've just got back to this and I'm still having trouble getting underway. I installed the Alpha 3.0 version successfully on my home PC (Windows XP) after having had the same problem with 2.1 as below. Howwever, I'm just trying to import a small rdf file (attached - a Jena sample) to get started - the import status bar comes up, goes to a bit over 50% and then doesn't move - I waited up to 20 mins with no result. No messages in the command-line window.

Any thoughts?

Thanks,

Stewart Wallace

From: Stewart Wallace
Sent: Thursday, 13 September 2007 8:28
To: Emmanuel Pietriga
Cc: www-isaviz@...
Subject: RE: Problem starting IsaViz the first time.

Emmanuel,

thanks - I'm underway with 3.0 alpha.

Stewart Wallace

Project Manager, Dictionary of Sydney

www.dictionaryofsydney.org

61 2 417 420 155

From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
Sent: Thu 13/09/2007 2:34 AM
To: Stewart Wallace
Cc: www-isaviz@...
Subject: Re: Problem starting IsaViz the first time.

Hello,

The class of keys in Java's UI/L&F manager changed between Java 1.5
and 1.6. I addressed this problem about one year ago [1]. If you are
getting this bug, it means that you are probably using IsaViz 2.1.
You have two options :

- run IsaViz 2.1 with a JVM 1.5 or earlier
- run IsaViz 3.0-alpha1 with any JVM, including 1.6

IsaViz 3.0-alpha1 is available from the Download section at [2].
Provided you only use the features available in v2.1 (i.e. don't play
with the Fresnel features), v3.0-alpha1 should be as stable as 2.1,
and actually compatible with a wider range of versions of GraphViz.

[1] http://dev.w3.org/cvsweb/java/classes/org/w3c/IsaViz/
ConfigManager.java?rev=1.24&content-type=text/x-cvsweb-markup
[2] http://www.w3.org/2001/11/IsaViz/

Emmanuel

On 12 sept. 07, at 08:52, Stewart Wallace wrote:

> Hello,
>
> I've just downloaded and unzipped/installed IsaViz. All seemed
> OK. I have jdk/jre 1.6 and run other java programs successfully.
>
> However, when running run.bat from the command prompt, the initial
> splash screen comes up and then gets stuck with the following in
> the command-line window:
>
> Exception in thread "main" java.lang.ClassCastException:
> java.lang.StringBuffer
> cannot be cast to java.lang.String
>         at org.w3c.IsaViz.ConfigManager.initLookAndFeel
> (ConfigManager.java:139)
>         at org.w3c.IsaViz.Editor.<init>(Editor.java:304)
>         at org.w3c.IsaViz.Editor.main(Editor.java:2815)
>
> Any thoughts on what could be causing this?
>
> Thanks,
>
>
>
> Stewart Wallace
> Project Manager, Dictionary of Sydney
> www.dictionaryofsydney.org
> 61 2 417 420 155

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ    tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud    fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE     http://www.lri.fr/~pietriga

vc-db-1.rdf (1K) Download Attachment

RE: Problem starting IsaViz the first time.

2007-09-12T16:27:36Z

Re: Problem starting IsaViz the first time.

Emmanuel,

thanks - I'm underway with 3.0 alpha.

Stewart Wallace

Project Manager, Dictionary of Sydney

www.dictionaryofsydney.org

61 2 417 420 155

From: Emmanuel Pietriga [mailto:emmanuel.pietriga@...]
Sent: Thu 13/09/2007 2:34 AM
To: Stewart Wallace
Cc: www-isaviz@...
Subject: Re: Problem starting IsaViz the first time.

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ    tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud    fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE     http://www.lri.fr/~pietriga

Re: Problem starting IsaViz the first time.

2007-09-12T10:34:52Z

> Hello,
>
> I've just downloaded and unzipped/installed IsaViz. All seemed
> OK. I have jdk/jre 1.6 and run other java programs successfully.
>
> However, when running run.bat from the command prompt, the initial
> splash screen comes up and then gets stuck with the following in
> the command-line window:
>
> Exception in thread "main" java.lang.ClassCastException:
> java.lang.StringBuffer
> cannot be cast to java.lang.String
> at org.w3c.IsaViz.ConfigManager.initLookAndFeel
> (ConfigManager.java:139)
> at org.w3c.IsaViz.Editor.<init>(Editor.java:304)
> at org.w3c.IsaViz.Editor.main(Editor.java:2815)
>
> Any thoughts on what could be causing this?
>
> Thanks,
>
>
>
> Stewart Wallace
> Project Manager, Dictionary of Sydney
> www.dictionaryofsydney.org
> 61 2 417 420 155

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Problem starting IsaViz the first time.

2007-09-12T00:52:09Z

Hello,

I've just downloaded and unzipped/installed IsaViz. All seemed OK. I have jdk/jre 1.6 and run other java programs successfully.

However, when running run.bat from the command prompt, the initial splash screen comes up and then gets stuck with the following in the command-line window:

Exception in thread "main" java.lang.ClassCastException: java.lang.StringBuffer

cannot be cast to java.lang.String

at org.w3c.IsaViz.ConfigManager.initLookAndFeel(ConfigManager.java:139)

at org.w3c.IsaViz.Editor.<init>(Editor.java:304)

at org.w3c.IsaViz.Editor.main(Editor.java:2815)

Any thoughts on what could be causing this?

Thanks,

Stewart Wallace

Project Manager, Dictionary of Sydney

www.dictionaryofsydney.org

61 2 417 420 155

Introduction

2007-09-08T07:30:31Z

Hi all,

I just subscribed to this list and wanted to introduce myself before posting. I'm Rob and coding and design is my hobby. So do nothing fancy but think I can learn a lot from all posts coming by in this W3C mailinglist.

I have a portal called Indelv.com (http://www.indelv.com/) and post some news on standards just to keep track of what is happening in the field. I know the site is not fully standardized, but I am working on it when I have free time.

So if you have some cool news or found a nice article, send me a note, I will repost some of it on Indelv, so I will not loose track of it. Hope I see nice tips passing by on this mailing list and in the future I might be a bit better and can even assist with answers.

Kind regards and have a good weekend

Rob

Re: Running 3.0 alpha, RDFErrorHandler not found

2007-08-07T04:03:28Z

Begin forwarded message:

> From: "Johan W. Kluwer" <johan.w.kluwer@...>
> Date: 6 août 2007 22:10:31 HAEC
> To: Emmanuel Pietriga <emmanuel.pietriga@...>
> Subject: Re: Running 3.0 alpha, RDFErrorHandler not found
>
> Thank you, your suggestions put me on the right track. It turned out
> that the permissions on lib/jena/jena.jar were incorrect, set to 700
> instead of 644 like the other jar files. Changing this solved the
> problem.
>
> Best,
>
> Johan.

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Re: Tables using GSS, vs Fresnel

2007-08-06T13:43:07Z

EP> [...] GSS and Fresnel have different goals, even if there is
EP> some overlap.

Many thanks! This really clears up my confusion.

I suppose I will attempt to do just the graph-specific formatting in
GSS. If selection and other operations that can be done with Fresnel
are, then the Fresnel code should be reusable in other browsers.

Thanks again,

Johan.

Re: Tables using GSS, vs Fresnel

2007-08-06T11:08:45Z

Hello,

On 6 août 07, at 13:59, Johan W. Kluwer wrote:

> Hello again,
>
> Having started to look at IsaViz for RDF formatting, I find myself
> somewhat confused with regard to the status of GSS, compared to
> Fresnel, as the recommended tool for formatting graphs.

Fresnel is no specifically designed for formatting graphs. Actually,
most Fresnel implementations generate Web pages. But Fresnel Core is
high-level enough that you can "interpret" it on a node-link diagram
representation such as those generated by IsaViz.

> Is the intention that GSS will be retired, in favor of Fresnel (that
> would be Fresnel + CSS?)? If so, I would rather spend time learning
> Fresnel, but again, if GSS has more functionality, the choice isn't so
> obvious. It would be very useful to hear some advice on this.

No, GSS and Fresnel have different goals, even if there is some
overlap. They can co-exist. If you look closely at how IsaViz
interprets Fresnel, you'll see that it does not change the static
representation of the graph, but dynamically changes the layout
depending on the selected lens and RDF resource.

> To mention a concrete example: On the IsaViz home page, there is a
> screenshot showing how tables can be used very effectively to list
> properties that belong together. This is just the kind of formatting I
> am looking for. The example uses GSS.
>
> Is it feasible to write Fresnel code to achieve (more or less) the
> same results as with GSS -- in particular, to get tables in the graph?

No, not at the moment. That would belong to a Fresnel extension
vocabulary anyway (Fresnel core does not say anything about tables).

> I guess combining GSS and Fresnel is not intended -- or, would that be
> a reasonable idea?

Actually, it is. You could have a graph styled with GSS, and then
consider dynamically applying Fresnel lenses to resources of that graph.

Emmanuel

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Re: Running 3.0 alpha, RDFErrorHandler not found

2007-08-06T08:05:00Z

This usually happens when a JAR file is not found. It could be that
the version of Jena you are using is not the good one. Yet if you got
the official 3.0alpha release, there should not be any such problem.
Can you give me a detailed "ls" of your main and lib/ directory, as
well as a copy of our run.sh ?

thanks,
Emmanuel

On 6 août 07, at 13:59, Johan W. Kluwer wrote:

> Greetings,
>
> I am having trouble running the 3.0 alpha version of IsaViz on my
> Linux installation (Mandriva 2007 64-bit, kernel 2.6.17-5). Running
> run.sh, I get the error message
>
> Exception in thread "main" java.lang.NoClassDefFoundError: com/hp/
> hpl/jena/rdf/model/RDFErrorHandler
>
> I also have installed the 3.0 alpha release on Windows, which seems to
> be running without a problem. The Java versions should be very similar
> between the two -- JRE 1.5.0_06-b05 on Windows, 1.5.0_10-b03 on Linux.
>
> Could this be a configuration file issue? Any hints will be much
> appreciated.
>
>
> -Johan.
>

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Tables using GSS, vs Fresnel

2007-08-06T05:59:08Z

Hello again,

Having started to look at IsaViz for RDF formatting, I find myself
somewhat confused with regard to the status of GSS, compared to
Fresnel, as the recommended tool for formatting graphs.

Is the intention that GSS will be retired, in favor of Fresnel (that
would be Fresnel + CSS?)? If so, I would rather spend time learning
Fresnel, but again, if GSS has more functionality, the choice isn't so
obvious. It would be very useful to hear some advice on this.

To mention a concrete example: On the IsaViz home page, there is a
screenshot showing how tables can be used very effectively to list
properties that belong together. This is just the kind of formatting I
am looking for. The example uses GSS.

Is it feasible to write Fresnel code to achieve (more or less) the
same results as with GSS -- in particular, to get tables in the graph?

I guess combining GSS and Fresnel is not intended -- or, would that be
a reasonable idea?

-Johan.

Running 3.0 alpha, RDFErrorHandler not found

2007-08-06T05:59:07Z

Greetings,

I am having trouble running the 3.0 alpha version of IsaViz on my
Linux installation (Mandriva 2007 64-bit, kernel 2.6.17-5). Running
run.sh, I get the error message

Exception in thread "main" java.lang.NoClassDefFoundError: com/hp/hpl/jena/rdf/model/RDFErrorHandler

I also have installed the 3.0 alpha release on Windows, which seems to
be running without a problem. The Java versions should be very similar
between the two -- JRE 1.5.0_06-b05 on Windows, 1.5.0_10-b03 on Linux.

Could this be a configuration file issue? Any hints will be much
appreciated.

-Johan.

IsaViz 3.0-alpha

2007-05-23T08:37:25Z

FYI,

I just made an alpha release of IsaViz 3.0 as people are having a
hard time making IsaViz 2.1 work with the current version of
GraphViz. IsaViz 3.0 solves that problem and should be as stable as
version 2.1 as long as you do not use the new fancy stuff (Fresnel
lenses).

The alpha release is available from [1], section Download.

[1] http://www.w3.org/2001/11/IsaViz/

Emmanuel

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Re: How to download and build IsaViz 3.0 alpha from CVS?

2007-04-18T02:26:32Z

You can get the latest zvtm.jar from [1], which should remove any
error related to ZVTM. If you have Jena-related errors, it might be
that you did not upgrade to Jena 2.4.

[1] http://www.lri.fr/~pietriga/zvtm/

regards,
Emmanuel

On 18 avr. 07, at 00:11, Christoph Lange wrote:

>
> Hi Emmanuel,
>
> On Saturday 14 April 2007 09:44, Emmanuel Pietriga wrote:
>> You first have to checkout the entire source code from directory
>> java/
>> classes/org/w3c/IsaViz in the CVS repository.
>>
>> ...
>>
>> You will also need to update all the dependencies (JAR files) in the
>> lib/. You will find more information about the latest dependencies,
>> as well as built version of IsaViz 3.0-alpha at [1].
>
> Checking the project out from CVS turned out to be easy following
> your how-to
> (I'm more used to Subversion), but even with all of the
> dependencies copied
> from my running installation of the IsaViz 3.0-alpha binary build
> it would
> not build -- because of a class com.xerox.VTM.glyphs.ClosedShape
> (probably
> supposed to be in the zvtm package) and many others missing.
>
> For now, I'll stick to the binary package. Are updates announced
> somewhere?
> E.g. on this list?
>
> Best,
>
> Christoph
>
> --
> Christoph Lange, Jacobs Univ. Bremen, http://kwarc.info/clange,
> ICQ# 51191833

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Re: How to download and build IsaViz 3.0 alpha from CVS?

2007-04-17T16:11:17Z

Hi Emmanuel,

On Saturday 14 April 2007 09:44, Emmanuel Pietriga wrote:
> You first have to checkout the entire source code from directory java/
> classes/org/w3c/IsaViz in the CVS repository.
>
> ...
>
> You will also need to update all the dependencies (JAR files) in the
> lib/. You will find more information about the latest dependencies,
> as well as built version of IsaViz 3.0-alpha at [1].

Checking the project out from CVS turned out to be easy following your how-to
(I'm more used to Subversion), but even with all of the dependencies copied
from my running installation of the IsaViz 3.0-alpha binary build it would
not build -- because of a class com.xerox.VTM.glyphs.ClosedShape (probably
supposed to be in the zvtm package) and many others missing.

For now, I'll stick to the binary package. Are updates announced somewhere?
E.g. on this list?

Best,

Christoph

--
Christoph Lange, Jacobs Univ. Bremen, http://kwarc.info/clange, ICQ# 51191833

Re: Bug report (IsaViz 3.0 alpha): No influence on graph layout

2007-04-14T01:53:28Z

You can indeed influence the layout *to some extent*. In order to do
that, you would have to add additional instructions to the temporary
DOT file generated by IsaViz in class RDFLoader. However, I'm not
sure you can influence the path taken by edges. I think you can
influence the position of nodes, but the geometry of edges ? I'm not
sure. You'd have to take a look at GraphViz's DOT documentation [1].

[1] http://www.graphviz.org/Documentation.php

Another solution would be to modify the graphical objects created by
the SVG import module (you can change the geometry of all objects,
including splines). What option constitutes the best solution (or is
even feasible) highly depends on the kind of modifications you want
to make to the edges and nodes. Could you be more specific about that?

Emmanuel

On 13 avr. 07, at 16:48, Christoph Lange wrote:

>
> Dear IsaViz developers,
>
> I'm using IsaViz Build 20061026, as retrieved from
> http://www.lri.fr/~pietriga/IsaViz/, and I would like to have an
> influence on
> the graph layout generated by "suggest layout". I don't know much
> about
> GraphViz, but I guess it should be possible to specify some additional
> arguments to "dot", or to modify the dot file created by IsaViz
> before "dot"
> is called. In my graph, with several hundreds of nodes and edges,
> it is
> extremely hard to trace edges or to distinguish different edges,
> even if they
> are differently colored. Therefore, I'd like to influence the
> layout of the
> edges somehow.
>
> Thanks in advance,
>
> Christoph
>
> --
> Christoph Lange, Jacobs Univ. Bremen, http://kwarc.info/clange,
> ICQ# 51191833
>

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Re: How to download and build IsaViz 3.0 alpha from CVS?

2007-04-14T01:44:18Z

Hello Christoph,

You first have to checkout the entire source code from directory java/
classes/org/w3c/IsaViz in the CVS repository.

Instructions on how to do that are available from http://dev.w3.org/
cvsweb/

You should checkout the code in IsaViz/src/org/w3c/IsaViz/ (get rid
of the java/classes/ parent dirs).

You will also need to update all the dependencies (JAR files) in the
lib/. You will find more information about the latest dependencies,
as well as built version of IsaViz 3.0-alpha at [1]. Don't forget to
get the latest launch scripts, which contain updated classpaths as
some libraries have changed.

[1] http://www.lri.fr/~pietriga/IsaViz/

Before compiling with ant, you should copy src/org/w3c/IsaViz/
build.xml to your root IsaViz/ directory.

Emmanuel

On 13 avr. 07, at 16:44, Christoph Lange wrote:

>
> Dear IsaViz developers,
>
> I wanted to use the most recent IsaViz version and tried to
> proceed from
> this place on the homepage:
>
> Development version (IsaViz 3.0-alpha, February 2007): the latest
> source code
> is available through W3C’s public CVS repository.
>
> OK, what is the next step? Can I check out something with the
> command line CVS
> client? Which files do I need to check out? The recent ones, or
> also those
> that are three years old and are available in the same directory? I
> only
> skimmed the build.xml file, but it refers to a "lib" directory that
> is not
> present. -- Could you give me a how-to?
>
> Thanks in advance :-)
>
> Christoph
>
> --
> Christoph Lange, Jacobs Univ. Bremen, http://kwarc.info/clange,
> ICQ# 51191833
>

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

Bug report (IsaViz 3.0 alpha): No influence on graph layout

2007-04-13T08:48:51Z

Dear IsaViz developers,

I'm using IsaViz Build 20061026, as retrieved from
http://www.lri.fr/~pietriga/IsaViz/, and I would like to have an influence on
the graph layout generated by "suggest layout". I don't know much about
GraphViz, but I guess it should be possible to specify some additional
arguments to "dot", or to modify the dot file created by IsaViz before "dot"
is called. In my graph, with several hundreds of nodes and edges, it is
extremely hard to trace edges or to distinguish different edges, even if they
are differently colored. Therefore, I'd like to influence the layout of the
edges somehow.

Thanks in advance,

Christoph

--
Christoph Lange, Jacobs Univ. Bremen, http://kwarc.info/clange, ICQ# 51191833

How to download and build IsaViz 3.0 alpha from CVS?

2007-04-13T08:44:42Z

Dear IsaViz developers,

I wanted to use the most recent IsaViz version and tried to proceed from
this place on the homepage:

Development version (IsaViz 3.0-alpha, February 2007): the latest source code
is available through W3C’s public CVS repository.

OK, what is the next step? Can I check out something with the command line CVS
client? Which files do I need to check out? The recent ones, or also those
that are three years old and are available in the same directory? I only
skimmed the build.xml file, but it refers to a "lib" directory that is not
present. -- Could you give me a how-to?

Thanks in advance :-)

Christoph

--
Christoph Lange, Jacobs Univ. Bremen, http://kwarc.info/clange, ICQ# 51191833

Bug report (IsaViz 3.0 alpha): Base URI damaged after "suggest layout"

2007-04-13T08:39:56Z

Dear IsaViz developers,

I'm using IsaViz 3.0 alpha (CVS build 20061026), as downloaded from
http://www.lri.fr/~pietriga/IsaViz/. (I could not manage to download it
directly from the CVS; I'll write you another mail about that.)

After I call "suggest layout", the base URI is set to the file name of the
generated file. Furthermore, the isv:uri/fID attribute is removed from every
node, causing the namespace prefix to appear again, which is superfluous in
my case, where all nodes are in the same namespace.

I hacked a little Perl script, to be called with the .isv file as an argument,
to fix this:

#!/usr/bin/perl -i~ -p
#
# Repairs the URIs in a mindmap after IsaViz's "suggest layout" operation

s{<isv:baseURI value="([^"]+)"\/>}{<isv:baseURI value="YOUR BASE URI"/>}g;
s{<isv:uri>}{<isv:uri fID="true">}g;

Best,

Christoph

--
Christoph Lange, Jacobs Univ. Bremen, http://kwarc.info/clange, ICQ# 51191833

Introducing myself

2007-04-13T08:39:44Z

Dear IsaViz developers,

my name is Christoph Lange; I'm a Ph.D. student at Jacobs University Bremen,
Germany, who is concerned with managing scientific knowledge in a semantic
wiki. Some bug reports and feature requests from me will follow soon, but let
me first mention the nice things :-)

To create a mindmap of our group's activities, we recently discovered IsaViz,
as we needed a platform-independent tool and were dissatisfied with ArgoUML,
which we tried first. We found IsaViz's RDF model more appropriate for
expressing our thoughts.

Secondly, we run a public Semantic MediaWiki site (http://mathweb.org/wiki/),
a wiki about (semantic) mathematical software on the web, whose contents we'd
like to visualize -- maybe with IsaViz and an appropriate style sheet.

Best,

Christoph

--
Christoph Lange, Jacobs Univ. Bremen, http://kwarc.info/clange, ICQ# 51191833

Re: i keep getting a ': is reserved for anonymous node' notice

2006-12-08T01:00:32Z

Aliza Lila wrote:

>
>
> I've setup my isaviz with the latest *.jar files (2006-12-05 aplpha 3
> version). Opening and navigating works fine, but when adding a new
> resource in the graph, i get the error ': is reserved for anonymous node'.
> To reproduce:
>
> 1: 'Create new resource' option in the 'main' isaviz RDF editor window,
>
> 2: Mouseclick in graph
>
> (following sample below: i want to add a new resource for a cd)
> 3: Add a uri: for example: 'http://www.recshop.fake/cd/KateBush'
>
> 4: press the Ok utton
>
> 5: an message is shown: ': is reserved for anonymous node'
>
> 6: so i can't create any resource

Just tried it, with your file. Works fine with me.

Emmanuel

--
Emmanuel Pietriga
INRIA Futurs - Projet In Situ tel : +33 1 69 15 34 66
Bat 490, Université Paris-Sud fax : +33 1 69 15 65 86
91405 ORSAY Cedex FRANCE http://www.lri.fr/~pietriga

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