6746 search results - page 322 / 1350 » Multimodal Database Query |
157
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EDBT
2008
ACM
16 years 4 months ago
2008
ACM
Scientific data are available through an increasing number of heterogeneous, independently evolving, sources. Although the sources themselves are independently evolving, the data ...
268
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ICDE
1997
IEEE
16 years 5 months ago
1997
IEEE
2. ODB-QOPTIMIZER : the tool ODB-QOPTIMIZERis a ODMG 93 compliant tool for the schema validation and semantic query optimization. The approach is based on two fundamental ingredien...
125
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SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
Decision-support applications generate queries with complex predicates. We show how the factorization of complex query expressions exposes significant opportunities for exploiting...
160
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PODS
2002
ACM
16 years 4 months ago
2002
ACM
We consider conjunctive queries with arithmetic comparisons over multiple continuous data streams. We specify an algorithm for determining whether or not a query can be evaluated ...
161
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PODS
2002
ACM
16 years 4 months ago
2002
ACM
We introduce and investigate a distributed computation model for querying the Web. Web queries are computed by interacting automata running at different nodes in the Web. The auto...