[jira] Commented: (MATH-237) Implement an OpenMath Phrasebook

["Luc Maisonobe (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MATH-237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12659454#action_12659454 ] 

Luc Maisonobe commented on MATH-237:
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I don't understand everything in your proposal.
Could you provide us an example of a binding between one already accepted symbol in the dictionaries and the matching code in commons-math and most importantly how it would be used by end users ?

As far as we limit ourselves to a static point of view, I see what this could mean (for example Phrasebook.getInstance().getValue("matrix") could return both RealMatrixImpl.class and DenseRealMatrix.class). However, how do we use this once we have it ? The dynamic behaviour may be hard to implement.

Do you want to have a complete interpreter for OpenMath syntax that would be executed after some automatic translation ? This would be a complete project by itself I think.

> Implement an OpenMath Phrasebook
> --------------------------------
>
>                 Key: MATH-237
>                 URL: https://issues.apache.org/jira/browse/MATH-237
>             Project: Commons Math
>          Issue Type: New Feature
>            Reporter: Bryce Nordgren
>            Priority: Minor
>
> The two major XML grammars for mathematical information on the web are OpenMath and MathML.  Both grammars construct mathematical expressions using the symbols from OpenMath content dictionaries.  A reference set of stable content dictionaries is maintained by the openmath society, such that fixed mathematical concepts have a fixed/permanent location within their "namespace".  This offers a unique opportunity to map the implementations in commons math to a universal conceptual space such that users of the library can request a "concept" without necessarily knowing what class implements it.
> A "Phrasebook" is a concept articulated by the OpenMath standard as the item bearing the responsibility for matching a symbol in the content dictionary with an implementation on the host system.  Including a "Phrasebook" in commons math would facilitate mapping of the orthodox OpenMath symbolset to code provided by the library.  
> I would envision this as a registry, with the function of a multimap (unique keys/multiple values).  Keys would be the fully qualified name of the OpenMath symbol, and values would be the code to execute.
> Thoughts?

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