1160 search results - page 81 / 232 » Query Processing and Optimization for Pictorial Query Trees |
188
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
COMAD
2008
14 years 11 months ago
2008
In data stream processing systems, Quality of Service (or QoS) requirements, as specified by users, are extremely important. Unlike in a database management system (DBMS), a query...
117
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ALENEX
2001
14 years 11 months ago
2001
In nearest neighbor searching we are given a set of n data points in real d-dimensional space, d , and the problem is to preprocess these points into a data structure, so that give...
169
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SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
We study the problem of querying relational data embedded in XML. Relational data can be represented by various tree structures in XML. However, current XML query methods, such as...
167
Voted
SIGMOD
2006
ACM
15 years 10 months ago
2006
ACM
We present and analyze an algorithm for equivalent rewriting of XQuery queries using XQuery views, which is complete for a large class of XQueries featuring nested FLWR blocks, XM...