792 search results - page 50 / 159 » Computing Iceberg Queries Efficiently |
WWW
2007
ACM
15 years 10 months ago
2007
ACM
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...
PODS
2003
ACM
15 years 10 months ago
2003
ACM
In this paper we study the following problem. Given a database and a set of queries, we want to find, in advance, a set of views that can compute the answers to the queries, such ...
SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
We present new algorithms on commodity graphics processors to perform fast computation of several common database operations. Specifically, we consider operations such as conjunct...
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Large databases with uncertain information are becoming more common in many applications including data integration, location tracking, and Web search. In these applications, ranki...
IWMMDBMS
1998
14 years 11 months ago
1998
: In recent years the fusion of multimedia information from multiple real-time sources and databases has become increasingly important because of its practical significance in many...