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» The Complexity of Query Reliability
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IJCAI
2003
15 years 3 months ago
Query rewriting and answering under constraints in data integration systems
In this paper we address the problem of query answering and rewriting in global-as-view data integration systems, when key and inclusion dependencies are expressed on the global i...
Andrea Calì, Domenico Lembo, Riccardo Rosat...
GEOINFORMATICA
2006
103views more  GEOINFORMATICA 2006»
15 years 2 months ago
Building and Querying a P2P Virtual World
Peer-to-Peer (P2P) systems are known to provide excellent scalability in a networked environment. One peer is introduced to the system by each participant. However current P2P app...
Egemen Tanin, Aaron Harwood, Hanan Samet, Deepa Na...
101
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IPM
2006
75views more  IPM 2006»
15 years 2 months ago
Performance of query processing implementations in ranking-based text retrieval systems using inverted indices
Similarity calculations and document ranking form the computationally expensive parts of query processing in ranking-based text retrieval. In this work, for these calculations, 11...
Berkant Barla Cambazoglu, Cevdet Aykanat
TGIS
2008
69views more  TGIS 2008»
15 years 2 months ago
Spatial-Scene Similarity Queries
Assessing spatial scenes for similarity is difficult from a cognitive and computational perspective. Solutions to spatial-scene similarity assessments are sensible only if corresp...
Konstantinos A. Nedas, Max J. Egenhofer
TAL
2010
Springer
15 years 13 days ago
Passage Retrieval in Log Files: An Approach Based on Query Enrichment
Abstract. The question answering systems are considered the next generation of search engines. This paper focuses on the first step of this process, which is to search for relevant...
Hassan Saneifar, Stéphane Bonniol, Anne Lau...