Title:
State: RAISED OPEN PENDING POSTPONED SUBSUMED CLOSED
Product: All RDFa Recipes SKOS VM
Raised By: Everyone Abhishek Rungta Alistair Miles Antoine Isaac Ben Adida Bernard Horan Clay Redding Dan Brickley Daniel Maycock Daniel Rubin David Peterson Diego Berrueta Ed Summers Elisa Kendall Fabien Gandon Francesco de Leo Guus Schreiber Jan Henke Jeremy Carroll Jon Phipps Justin Thorp Justin Thorp Manu Sporny Margherita Sini Michael Hausenblas Mirghani Mohamed Quentin Reul Rachel Yager Ralph Swick Sean Bechhofer Siegfried Handschuh Simone Onofri Thomas Baker Vit Novacek
Description: Currently, the property skos:exactMatch is not stated as disjoint with any of the other concept mapping properties (or with any of the semantic relation properties). Therefore e.g. the graph below is consistent with the SKOS data model. <A> skos:exactMatch <B> ; skos:broadMatch <B> ; skos:exactMatch <C> ; skos:relatedMatch <C> . Intuitively, an exact mapping link asserts something fundamentally different from a hierarchical or associative link. Therefore, it might be reasonable and useful to define skos:exactMatch as disjoint with skos:broadMatch (and/or skos:broader), and disjoint with skos:relatedMatch (and/or skos:related). Should these disjointness conditions be stated in the normative specification?
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