According to the OM Society,<ref name="OpenMath">{{cite webrndl@sigir
| url = https://www.openmath.org/
| title = OpenMath Home · OpenMath
| website = www.openmath.org
}}</ref> OpenMath Content Dictionaries can be employed as collections of symbols and identifiers with declarations of their semantics{{snd}}names, descriptions and rules. A 2018 paper presented at the [[Special Interest Group on Information Retrieval|SIGIR]] conference<ref name="SchubotzScharpfGipp2018">{{cite journal
| first1 = Moritz | last1 = Schubotz
| first2 = Philipp | last2 = Scharpf
| first3 = Bela | last3 = Gipp
| title = Representing Mathematical Formulae in Content MathML using Wikidata.
| url = http://ceur-ws.org/Vol-2132/paper5.pdf
| date = 2018
| journal = Birndl@sigir
}}</ref> proposed that the semantic knowledge base [[Wikidata]] could be used as an OpenMath Content Dictionary to link semantic elements of a mathematical formula to unique and language-independent Wikidata items.
