1091 search results - page 153 / 219 » Approximation in Databases |
160
click to vote
VLDB
2005
ACM
16 years 3 days 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...
148
click to vote
VLDB
2005
ACM
16 years 3 days 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...
175
click to vote
VLDB
2005
ACM
16 years 3 days 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...
166
click to vote
CIKM
2004
Springer
16 years 1 days 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 (...
180
click to vote
XSYM
2004
Springer
15 years 12 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. ...