. "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." . . "2008-05-xx" . . . "exact match" . . "skos:exactMatch is disjoint with each of the properties skos:broadMatch and skos:relatedMatch." . _:vb898461 .