Object Property: skos:exactMatch

rdfs:comment "skos:exactMatch is disjoint with each of the properties skos:broadMatch and skos:relatedMatch." (en)
rdfs:isDefinedBy http://www.w3.org/2004/02/skos/core
rdfs:label "has exact match" (en)
skos:definition "skos:exactMatch is used to link two concepts, indicating a high degree of confidence that the concepts can be used interchangeably across a wide range of information retrieval applications. skos:exactMatch is a transitive property, and is a sub-property of skos:closeMatch." (en)

http://www.w3.org/2004/02/skos/core#exactMatch