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. © 2013 Springer-Verlag.
CITATION STYLE
Nikolaou, C., & Koubarakis, M. (2013). Incomplete information in RDF. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 7994 LNCS, pp. 138–152). https://doi.org/10.1007/978-3-642-39666-3_11
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