2853 search results - page 400 / 571 » On the Efficiency of Provenance Queries |
178
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AAAI
2008
15 years 8 months ago
2008
Modal logic represents knowledge that agents have about other agents' knowledge. Probabilistic modal logic further captures probabilistic beliefs about probabilistic beliefs....
181
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ER
2008
Springer
15 years 8 months ago
2008
Springer
Modern information systems, and web information systems in particular, are faced with frequent database schema changes, which generate the necessity to manage them and preserve the...
154
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COMAD
2008
15 years 8 months ago
2008
In existing database systems there is a strong need for searching data according to many attributes. In commercial database platforms, the standard search over multiple attributes...
189
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ECIR
2007
Springer
15 years 8 months ago
2007
Springer
Measuring the similarity between documents and queries has been extensively studied in information retrieval. However, there are a growing number of tasks that require computing th...
214
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IKE
2003
15 years 8 months ago
2003
Inverted files are widely used to index documents in large-scale information retrieval systems. An inverted file consists of posting lists, which can be stored in either a documen...