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OpenMath Content Dictionary: mathmlkeys

Canonical URL:
http://www.openmath.org/cd/mathmlkeys.ocd
CD Base:
http://www.openmath.org/cd
CD File:
mathmlkeys.ocd
CD as XML Encoded OpenMath:
mathmlkeys.omcd
Defines:
alternate-representation, contentequiv
Date:
2009-05-31
Version:
1 (Revision 1)
Review Date:
2014-05-31
Status:
experimental

     This document is distributed in the hope that it will be useful, 
     but WITHOUT ANY WARRANTY; without even the implied warranty of 
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

     The copyright holder grants you permission to redistribute this 
     document freely as a verbatim copy. Furthermore, the copyright
     holder permits you to develop any derived work from this document
     provided that the following conditions are met.
       a) The derived work acknowledges the fact that it is derived from
          this document, and maintains a prominent reference in the 
          work to the original source.
       b) The fact that the derived work is not the original OpenMath 
          document is stated prominently in the derived work.  Moreover if
          both this document and the derived work are Content Dictionaries
          then the derived work must include a different CDName element,
          chosen so that it cannot be confused with any works adopted by
          the OpenMath Society.  In particular, if there is a Content 
          Dictionary Group whose name is, for example, `math' containing
          Content Dictionaries named `math1', `math2' etc., then you should 
          not name a derived Content Dictionary `mathN' where N is an integer.
          However you are free to name it `private_mathN' or some such.  This
          is because the names `mathN' may be used by the OpenMath Society
          for future extensions.
       c) The derived work is distributed under terms that allow the
          compilation of derived works, but keep paragraphs a) and b)
          intact.  The simplest way to do this is to distribute the derived
          work under the OpenMath license, but this is not a requirement.
     If you have questions about this license please contact the OpenMath
     society at http://www.openmath.org.

MathML3 and OpenMath provide semantic annotation facilities where the relation of the annotation to the annotated object is specified by special symols called keys. This content dictionary provides some keys for specifying the relations in semantic annotations.


Role:
attribution

alternate-representation

Description:

This key specifies that the corresponding value is an alternate representation of the annotated element in some unspecified way.

    This key specifies that the corresponding value is an alternate 
    representation of the annotated or attributed expression, it is expected 
    that the encoding of the annotation is read either from the annotation 
    content: in the case of MathML's annotation elements and in the case of the 
    OMFOREIGN OpenMath expression, the encoding is provided as an attribute 
    value.
    This annotation key is used as the default relation for annotation and 
    annotation-xml elements of MathML 3 that do not specify keys.
    
Example:
An OpenMath expression and one of its alternate representations: the presentation MathML delivered in the context of a spanish speaking user.
sin ( x )
Signatures:
sts


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Role:
semantic-attribution

contentequiv

Description:

This key specifies that the corresponding value is the content MathML equivalent of the annotated element.

Signatures:
sts


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