2012/09/17 by Charalampos Nikolaou, Nikolaou, Charalampos, Manolis Koubarakis +1
Biochemistry, Genetics and Molecular Biology · Computer Science · #Biomedical Text Mining and Ontologies #Databases (cs.DB) #FOS: Computer and information sciences #Natural Language Processing Techniques #Semantic Web and Ontologies #cs.DB
paper · pdf · doi:10.48550/arxiv.1209.3756
openalex publication_date 2012/09/17 · arxiv created 2012/12/18 · arxiv updated 2012/12/19 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
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.