2063 search results - page 290 / 413 » Containment of Aggregate Queries |
138
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CIKM
2007
Springer
15 years 10 months ago
2007
Springer
Traditional adaptive filtering systems learn the user’s interests in a rather simple way – words from relevant documents are favored in the query model, while words from irre...
136
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WISE
2005
Springer
15 years 9 months ago
2005
Springer
Abstract. Answering a query over a group of RDF data pages is a trivial process. However, in the Semantic Web, there is a need for ontology technology. Consequently, OWL, a family ...
146
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ICDT
2005
ACM
15 years 9 months ago
2005
ACM
Abstract. A classical problem in query optimization is to find the optimal ordering of a set of possibly correlated selections. We provide an ion of this problem as a generalizati...
118
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DIS
2003
Springer
15 years 9 months ago
2003
Springer
Computing abductive explanations is an important problem, which has been studied extensively in Artificial Intelligence (AI) and related disciplines. While computing some abductiv...
132
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DBPL
1999
Springer
15 years 8 months ago
1999
Springer
Semistructured databases are treated as dynamically typed: they come equipped with no independent schema or type system to constrain the data. Query languages that are designed fo...