7868 search results - page 86 / 1574 » Learning by Answer Sets |
116
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PODS
2003
ACM
16 years 4 months ago
2003
ACM
In this paper we study the following problem. Given a database and a set of queries, we want to find, in advance, a set of views that can compute the answers to the queries, such ...
146
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SEMWEB
2009
Springer
15 years 10 months ago
2009
Springer
We present a query processing procedure for conjunctive queries in distributed ontology systems where a large ontology is divided into ontology fragments that are later distributed...
128
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EDBTW
2006
Springer
15 years 8 months ago
2006
Springer
For several reasons a database may not satisfy a given set of integrity constraints (ICs), but most likely most of the information in it is still consistent with those ICs; and cou...
124
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ANLP
2000
15 years 5 months ago
2000
Information retrieval systems have typically concentrated on retrieving a set of documents which are relevant to a user's query. This paper describes a system that attempts t...
128
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AIIA
2007
Springer
15 years 10 months ago
2007
Springer
In this paper we compare four selection strategies in evolutionary optimization of information retrieval (IR) in a question answering setting. The IR index has been augmented by li...