1394 search results - page 111 / 279 » Executing Nested Queries |
136
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SAC
2011
ACM
14 years 6 months ago
2011
ACM
Semantic caching augments cached data with a semantic description of the data. These semantic descriptions can be used to improve execution time for similar queries by retrieving ...
220
Voted
ICDT
2009
ACM
16 years 4 months ago
2009
ACM
A Business Process (BP) consists of some business activities undertaken by one or more organizations in pursuit of some business goal. Tools for querying and analyzing BP specific...
87
Voted
SIGMOD
2002
ACM
16 years 4 months ago
2002
ACM
Statistics play an important role in influencing the plans produced by a query optimizer. Traditionally, optimizers use statistics built over base tables and assume independence b...
127
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SBBD
2003
15 years 5 months ago
2003
A common requirement of many scientific applications is the ability to process queries involving expensive predicates corresponding to user programs. Optimizing such queries is ha...
163
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ESWS
2011
Springer
14 years 7 months ago
2011
Springer
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...