2145 search results - page 150 / 429 » Pattern-Based Query Answering |
214
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ICDE
2001
IEEE
16 years 1 months ago
2001
IEEE
We investigate query routing techniques in a cluster of databases for a query-dominant environment. The objective is to decrease query response time. Each component of the cluster...
PODS
2004
ACM
15 years 11 months ago
2004
ACM
We study the problem of answering queries over sources with limited access patterns. Given a first-order query Q, the problem is to decide whether there is an equivalent query whi...
VLDB
2005
ACM
15 years 5 months ago
2005
ACM
The largest databases in use today are so large that answering a query exactly can take minutes, hours, or even days. One way to address this problem is to make use of approximati...
83
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EDBTW
2006
Springer
15 years 3 months ago
2006
Springer
Abstract. In recent times, the proliferation of spatial data on the Internet is beginning to allow a much larger audience to access and share data currently available in various Ge...
117
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ICDT
2010
ACM
15 years 1 months ago
2010
ACM
When a query is evaluated under bag semantics, each answer is returned as many times as it has derivations. Bag semantics has long been recognized as important, especially when ag...