1039 search results - page 68 / 208 » Query reformulation with constraints |
191
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DKE
2010
15 years 6 months ago
2010
We describe the Consistency Extractor System (ConsEx) that computes consistent answers to Datalog queries with negation posed to relational databases that may be inconsistent with...
153
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VLDB
2007
ACM
16 years 8 days ago
2007
ACM
GridVine is a Peer Data Management System based on a decentralized access structure. Built following the principle of data independence, it separates a logical layer – where dat...
153
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WWW
2001
ACM
16 years 6 months ago
2001
ACM
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
180
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ECIR
2010
Springer
15 years 4 months ago
2010
Springer
Abstract. Traditional retrieval models assume that query terms are independent and rank documents primarily based on various term weighting strategies including TF-IDF and document...
196
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CONSTRAINTS
1998
15 years 5 months ago
1998
Abstract. Temporal Constraint Satisfaction is an information technology useful for representing and answering queries about the times of events and the temporal relations between t...