5221 search results - page 852 / 1045 » An On-line Problem Database |
156
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HICSS
1996
IEEE
15 years 10 months ago
1996
IEEE
In this paper, we present a document model which integrates the logical structure and hypertext link structure of hyperdocuments in order to manage structured documents with hyper...
164
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VLDB
1997
ACM
15 years 10 months ago
1997
ACM
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
179
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SIGMOD
1994
ACM
15 years 10 months ago
1994
ACM
Spatial joins are one of the most important operations for combining spatial objects of several relations. In this paper, spatial join processing is studied in detail for extended...
195
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DEXA
2007
Springer
15 years 10 months ago
2007
Springer
The two dominant costs in continuous spatial query systems are the wireless communication cost for location update, and the evaluation cost for query processing. Existing works add...
163
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KDD
2010
ACM
15 years 10 months ago
2010
ACM
An ensemble is a set of learned models that make decisions collectively. Although an ensemble is usually more accurate than a single learner, existing ensemble methods often tend ...