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216
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SIGMOD
2005
ACM
16 years 5 months ago
2005
ACM
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
228
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SIGMOD
2005
ACM
16 years 5 months ago
2005
ACM
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....
146
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...
152
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
In this paper, we attempt to approximate and index a ddimensional (d 1) spatio-temporal trajectory with a low order continuous polynomial. There are many possible ways to choose ...
179
click to vote
SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...