
arXiv: 1209.3756
We extend RDF with the ability to represent property values that exist, but are unknown or partially known, using constraints. Following ideas from the incomplete information literature, we develop a semantics for this extension of RDF, called RDFi, and study SPARQL query evaluation in this framework.
FOS: Computer and information sciences, Computer Science - Databases, Databases (cs.DB)
FOS: Computer and information sciences, Computer Science - Databases, Databases (cs.DB)
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