8763 search results - page 376 / 1753 » Querying Database Knowledge |
168
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VLDB
1999
ACM
15 years 11 months ago
1999
ACM
In many applications, users specify target values for certain attributes, without requiring exact matches to these values in return. Instead, the result to such queries is typical...
197
Voted
VLDB
1991
ACM
15 years 10 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...
202
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DEXAW
2008
IEEE
15 years 8 months ago
2008
IEEE
With the increasing development of real applications using Semantic Web Technologies, it is necessary to provide scalable and efficient ontology querying and reasoning systems. In ...
202
Voted
ICDE
2011
IEEE
14 years 10 months ago
2011
IEEE
— A moving kNN query continuously reports the k nearest neighbors of a moving query point. In addition to the query result, a service provider that evaluates moving queries often...
251
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VLDB
2008
ACM
16 years 7 months ago
2008
ACM
The existing predictive spatiotemporal indexes can be classified into two categories, depending on whether they are based on the primal or dual methodology. Although we have gaine...