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» A System for Semantic Query Optimization
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SPIESR
2001
174views Database» more  SPIESR 2001»
14 years 11 months ago
Mapping low-level image features to semantic concepts
Humans tend to use high-level semantic concepts when querying and browsing multimedia databases; there is thus, a need for systems that extract these concepts and make available a...
Daniela Stan, Ishwar K. Sethi
ICLP
2007
Springer
15 years 4 months ago
DLVHEX-SPARQL: A SPARQL Compliant Query Engine Based on DLVHEX
This paper describes the dlvhex SPARQL plugin, a query processor for the upcoming Semantic Web query language standard by W3C. We report on the implementation of this languages usi...
Axel Polleres, Roman Schindlauer
HICSS
2005
IEEE
152views Biometrics» more  HICSS 2005»
15 years 3 months ago
Query Expansion on a Corporate Intranet: Using LSI to Increase Precision in Explorative Search
Previous research has taught us that the typical nonprofessional information seeker on the World Wide Web submits very short queries resulting in low-precision results. We show th...
Dick Stenmark
WWW
2001
ACM
15 years 10 months ago
A unified constraint model for XML
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
Gabriel M. Kuper, Jérôme Siméo...
WWW
2007
ACM
15 years 10 months ago
A management and performance framework for semantic web servers
The unification of Semantic Web query languages under the SPARQL standard and the development of commercial-quality implementations are encouraging industries to use semantic tech...
Malena R. Mesarina, Venugopal Srinivasmurthy, Nic ...