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» Semantics and Complexity of SPARQL
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77
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SIGMOD
2010
ACM
155views Database» more  SIGMOD 2010»
14 years 8 months ago
Querying RDF streams with C-SPARQL
Continuous SPARQL (C-SPARQL) is a new language for continuous queries over streams of RDF data. CSPARQL queries consider windows, i.e., the most recent triples of such streams, ob...
Davide Francesco Barbieri, Daniele Braga, Stefano ...
RR
2010
Springer
14 years 8 months ago
Redundancy Elimination on RDF Graphs in the Presence of Rules, Constraints, and Queries
Based on practical observations on rule-based inference on RDF data, we study the problem of redundancy elimination on RDF graphs in the presence of rules (in the form of Datalog r...
Reinhard Pichler, Axel Polleres, Sebastian Skritek...
74
Voted
ESWS
2008
Springer
14 years 12 months ago
Building a Semantic Web Image Repository for Biological Research Images
Abstract. Images play a vital role in scientific studies. An image repository would become a costly and meaningless data graveyard without descriptive metadata. We adapted EPrints,...
Jun Zhao, Graham Klyne, David M. Shotton
RR
2010
Springer
14 years 8 months ago
KWilt: A Semantic Patchwork for Flexible Access to Heterogeneous Knowledge
Semantic wikis and other modern knowledge management systems deviate from traditional knowledge bases in that information ranges from unstructured (wiki pages) over semi-formal (ta...
Klara A. Weiand, Steffen Hausmann, Tim Furche, Fra...
ESWS
2009
Springer
15 years 4 months ago
Ranking Approximate Answers to Semantic Web Queries
We consider the problem of a user querying semistructured data such as RDF without knowing its structure. In these circumstances, it is helpful if the querying system can perform a...
Carlos A. Hurtado, Alexandra Poulovassilis, Peter ...