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Foundations of RDF* and SPARQL*: (An Alternative Approach to Statement-Level Metadata in RDF)
Linköpings universitet, Institutionen för datavetenskap, Databas och informationsteknik. Linköpings universitet, Tekniska fakulteten.
2017 (engelsk)Inngår i: Proceedings of the 11th Alberto Mendelzon International Workshop on Foundations of Data Management and the Web 2017 / [ed] Juan Reutter, Divesh Srivastava, Juan Reutter, Divesh Srivastava , 2017, Vol. 1912, artikkel-id 12Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The standard approach to annotate statements in RDF with metadatahas a number of shortcomings including data size blow-up and unnecessarilycomplicated queries. We propose an alternative approach that is based on nestingof RDF triples and of query patterns. The approach allows for a more compactrepresentation of data and queries, and it is backwards compatible with the standard.In this paper we present the formal foundations of our proposal and ofdifferent approaches to implement it. More specifically, we formally capture thenecessary extensions of the RDF data model and its query language SPARQL,and we define mappings based on which our extended notions can be convertedback to ordinary RDF and SPARQL. Additionally, for such type of mappings wedefine two desirable properties, information preservation and query result equivalence,and we show that the introduced mappings possess these properties.

sted, utgiver, år, opplag, sider
Juan Reutter, Divesh Srivastava , 2017. Vol. 1912, artikkel-id 12
Serie
CEUR Workshop Proceedings, E-ISSN 1613-0073 ; 1912
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-140936OAI: oai:DiVA.org:liu-140936DiVA, id: diva2:1141963
Konferanse
AMW 2017 11th Alberto Mendelzon International Workshop on Foundations of Data Management and the Web, Montevideo, Uruguay, June 7-9, 2017.
Tilgjengelig fra: 2017-09-18 Laget: 2017-09-18 Sist oppdatert: 2018-01-13

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