2217 search results - page 118 / 444 » Rank-aware Query Optimization |
242
Voted
VLDB
2005
ACM
16 years 5 months ago
2005
ACM
Abstract Declarative queries are proving to be an attractive paradigm for interacting with networks of wireless sensors. The metaphor that "the sensornet is a database" i...
156
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VLDB
1991
ACM
15 years 8 months ago
1991
ACM
In order to cope efficiently with simple or complex queries as well as different application requirements (e.g., ad-hoc versus repetitive queries), a query optimizer ought to supp...
155
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ICMCS
2005
IEEE
15 years 10 months ago
2005
IEEE
Since multimedia information is characterized by motley types of media with different properties, multimedia content retrieval in digital libraries requires dynamic reconfigurable...
187
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CLEF
2004
Springer
15 years 10 months ago
2004
Springer
Abstract. Recent research has suggested that there is no general similarity measure, which can be applied on arbitrary databases without any parameterization. Hence, the optimal co...
170
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VLDB
1997
ACM
15 years 9 months ago
1997
ACM
In semistructured databases there is no schema fixed in advance. To provide the benefits of a schema in such environments, we introduce DataGuides: concise and accurate structural...