6740 search results - page 310 / 1348 » Querying Databases with Taxonomies |
179
Voted
DASFAA
2007
IEEE
16 years 1 months ago
2007
IEEE
As large-scale sensor networks are being deployed with the objective of collecting quality data to support user queries and decision-making, the role of a scalable query model beco...
167
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VLDB
2005
ACM
16 years 7 days ago
2005
ACM
This paper introduces a novel type of query, what we name Spatio-temporal Pattern Queries (STP). Such a query specifies a spatiotemporal pattern as a sequence of distinct spatial...
196
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ICDT
2001
ACM
15 years 11 months ago
2001
ACM
In information-integration systems, source relations often have limitations on access patterns to their data; i.e., when one must provide values for certain attributes of a relatio...
171
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DEXAW
1998
IEEE
15 years 11 months ago
1998
IEEE
Materialized views offer opportunities for significant performance gain in query evaluation by providing fast access to pre-computed data. The question of when and how to use a ma...
153
Voted
DOOD
1995
Springer
15 years 10 months ago
1995
Springer
Wrappers provide access to heterogeneous information sources by converting application queries into source speci c queries or commands. In this paper we present a wrapper implemen...