1091 search results - page 153 / 219 » Approximation in Databases |
146
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VLDB
2005
ACM
15 years 11 months ago
2005
ACM
We study the problem of applying adaptive filters for approximate query processing in a distributed stream environment. We propose filter bound assignment protocols with the obj...
137
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VLDB
2005
ACM
15 years 11 months ago
2005
ACM
We propose a balanced tree structure overlay on a peer-to-peer network capable of supporting both exact queries and range queries efficiently. In spite of the tree structure caus...
159
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VLDB
2005
ACM
15 years 11 months ago
2005
ACM
This paper addresses the efficient processing of top-k queries in wide-area distributed data repositories where the index lists for the attribute values (or text terms) of a query...
162
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CIKM
2004
Springer
15 years 11 months ago
2004
Springer
An important class of queries is the LIKE predicate in SQL. In the absence of an index, LIKE queries are subject to performance degradation. The notion of indexing on substrings (...
171
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XSYM
2004
Springer
15 years 11 months ago
2004
Springer
Abstract. We are presenting a coherent framework for XQuery processing that incorporates IR-style approximate matching and allows the ordering of results by their relevance score. ...