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From "Luc Maisonobe (JIRA)" <>
Subject [jira] Commented: (MATH-237) Implement an OpenMath Phrasebook
Date Sun, 27 Dec 2009 17:50:29 GMT


Luc Maisonobe commented on MATH-237:

After having participated to several different threads on the dev list about what we can and
cannot include in commons-math, I now think this feature is out of scope. I think we want
to restrict ourselves to applied mathematics and numerical algorithms. Of course we do have
some interfaces that are sometimes misinterpreted as pure maths (Field is a typical example),
but they are really intended only to be implemented by computing classes like Complex or Fraction.
So I would like to close this issue as WON'T FIX.
Any thoughts about this ?

> Implement an OpenMath Phrasebook
> --------------------------------
>                 Key: MATH-237
>                 URL:
>             Project: Commons Math
>          Issue Type: New Feature
>            Reporter: Bryce Nordgren
>            Priority: Minor
>         Attachments: OpenMathPhrasebook.ods
> 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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