Metadata for ActiveMath

[Ili Farhana Md Mahtar]

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Dear ActiveMath users,

I’ve read a paper titled 'Metadata for ActiveMath'.  What I’m interested with is the specific metadata in the <extradata> tag. The paper described about difficulty, abstractness, learningcontext, field and verbosity elements. I think none of the elements above is suitable for my web, because I will develop a web that will adapt with the student learning style (whether the student prefers animated image+less text or plain image+more text). My question is, should I create my own metadata (learning style)? What tool do ActiveMath team used to create metadata?

Thanks

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[ChristophLange]

Dear Ili Farhana Md Mahtar,

  unfortunately I cannot answer your question for ActiveMath.  I am one of the
developers of OMDoc, but our version of OMDoc and the version used by
ActiveMath have diverged years ago, also in terms of their metadata support.
Until recently, "our" OMDoc (version 1.2) did not have extensible metadata
either.  However, we developed a solution that will be incorporated into the
upcoming version 1.3.  Tool support in terms of editors is not yet there, but
in terms of extracting these extended metadata to an RDF representation for
easier querying.

See https://svn.omdoc.org/repos/omdoc/trunk/doc/blue/foaf/mkm09.pdf for
background.  We basically integrated RDFa into OMDoc.  RDFa allows for
adding arbitrary metadata to any XML language -- originally XHTML, but more
are coming; see http://rdfa.info.

Thus, if you already have an ontology for the metadata you need, you could
simply reference it from such RDFa markup.  Otherwise, there is also the
possibility of writing your own ontology -- either in one of the ontology
languages known from the semantic web (RDFS or OWL), or in OMDoc itself.

If you are planning to process your additional metadata not within ActiveMath,
but with your own application/library, it might be possible to simply add them
to your OMDoc documents in an RDFa style, and hoping that ActiveMath will
gracefully ignore them.

Hope that helps,

Christoph

--
Christoph Lange, Jacobs Univ. Bremen, http://kwarc.info/clange, Skype duke4701
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