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161
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
A large part of the data on the World Wide Web is hidden behind form-like interfaces. These interfaces interact with a hidden backend database to provide answers to user queries. ...
177
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SIGMOD
2006
ACM
15 years 10 months ago
2006
ACM
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...
SIGMOD
2005
ACM
15 years 10 months ago
2005
ACM
Many scenarios involve merging of two B-tree indexes, both covering the same key range. Increasing demand for continuous availability and high performance requires that such mergi...
PODS
2005
ACM
15 years 10 months ago
2005
ACM
We consider query optimization techniques for data intensive P2P applications. We show how to adapt an old technique from deductive databases, namely Query-Sub-Query (QSQ), to a s...
ICSE
2004
IEEE-ACM
15 years 9 months ago
2004
IEEE-ACM
Immersive, interactive applications grouped under the concept of Immersipresence require on-line processing and mixing of multimedia data streams and structures. One critical issu...