6274 search results - page 526 / 1255 » From query complexity to computational complexity |
279
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ICDE
2005
IEEE
16 years 8 months ago
2005
IEEE
Scientific database federations are geographically distributed and network bound. Thus, they could benefit from proxy caching. However, existing caching techniques are not suitabl...
270
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ICDE
1998
IEEE
16 years 8 months ago
1998
IEEE
We have a large database consisting of sales transactions. We investigate the problem of online mining of association rules in this large database. We show how to preprocess the d...
192
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CIKM
2008
Springer
15 years 9 months ago
2008
Springer
Greek is one of the most difficult languages to handle in Web Information Retrieval (IR) related tasks. Its difficulty stems from the fact that it is grammatically, morphologicall...
194
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AAAI
2006
15 years 8 months ago
2006
Information integration systems combine data from multiple heterogeneous Web services to answer complex user queries, provided a user has semantically modeled the service first. T...
183
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IR
2006
15 years 7 months ago
2006
In this paper we describe and evaluate a Question Answering (QA) system that goes beyond answering factoid questions. Our approach to QA assumes no restrictions on the type of que...