6650 search results - page 671 / 1330 » Mutating database queries |
304
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
189
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VLDB
2007
ACM
16 years 1 months ago
2007
ACM
An increasing number of enterprises outsource their IT services to third parties who can offer these services for a much lower cost due to economy of scale. Quality of service is ...
208
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MIR
2006
ACM
16 years 1 months ago
2006
ACM
An important research issue in multimedia databases is the retrieval of similar objects. For most applications in multimedia databases, an exact search is not meaningful. Thus, mu...
221
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DSMML
2004
Springer
16 years 19 days ago
2004
Springer
Applications such as audio fingerprinting require search in high dimensions: find an item in a database that is similar to a query. An important property of this search task is t...
178
Voted
VLDB
2004
ACM
16 years 18 days ago
2004
ACM
When query optimizers erroneously assume that database columns are statistically independent, they can underestimate the selectivities of conjunctive predicates by orders of magni...