Incomplete information in RDF

Authors:
Charalampos Nikolaou;Manolis Koubarakis
Affiliations:
National and Kapodistrian University of Athens, Greece;National and Kapodistrian University of Athens, Greece
Venue:
RR'13 Proceedings of the 7th international conference on Web Reasoning and Rule Systems
Year:
2013

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Abstract

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.