486 search results - page 28 / 98 » Evaluating Top-k Queries over Web-Accessible Databases |
124
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DOLAP
2003
ACM
15 years 6 months ago
2003
ACM
Multidimensional aggregation queries constitute the single most important class of queries for data warehousing applications and decision support systems. The bottleneck in the ev...
205
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ICDE
2009
IEEE
16 years 3 months ago
2009
IEEE
Many location-based services require rich and expressive query language support for filtering large amounts of information. In prominent location-based services thousands of conti...
125
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VLDB
2001
ACM
15 years 6 months ago
2001
ACM
XML has emerged as the standard data exchange format for Internet-based business applications. This has created the need to publish existing business data, stored in relational da...
150
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ICDT
2011
ACM
14 years 5 months ago
2011
ACM
The goal of Knowledge Compilation is to represent a Boolean expression in a format in which it can answer a range of online-queries in PTIME. The online-query of main interest to ...
198
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ICDE
2004
IEEE
16 years 2 months ago
2004
IEEE
Queries with (equality or LIKE) selection predicates over string attributes are widely used in relational databases. However, state-of-the-art techniques for estimating selectivit...