2853 search results - page 129 / 571 » On the Efficiency of Provenance Queries |
249
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ICDE
1995
IEEE
16 years 7 months ago
1995
IEEE
While much work has addressed the problem of maintaining materialized views, the important question of optimizing queries in the presence of materialized views has not been resolv...
156
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FQAS
2006
Springer
15 years 10 months ago
2006
Springer
The use of the Yager's OWA operators within a flexible querying interface is discussed. The key issue is the adaptation of an OWA operator to the specifics of a user's qu...
232
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DAMON
2008
Springer
15 years 8 months ago
2008
Springer
Frequent elements and top-k queries constitute an important class of queries for data stream analysis applications. Certain applications require answers for both frequent elements...
157
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PVLDB
2010
15 years 4 months ago
2010
The tremendous growth of the Internet has significantly reduced the cost of obtaining and sharing information about individuals, raising many concerns about user privacy. Spatial...
195
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SIGMOD
2010
ACM
15 years 4 months ago
2010
ACM
One useful feature that is missing from today’s database systems is an explain capability that enables users to seek clarifications on unexpected query results. There are two t...