11921 search results - page 2084 / 2385 » Community Information Management |
227
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SIGMOD
2009
ACM
16 years 4 months ago
2009
ACM
Wikipedia is an example of the large, collaborative, semi-structured data sets emerging on the Web. Typically, before these data sets can be used, they must transformed into struc...
233
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SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
Existing temporal pattern mining assumes that events do not have any duration. However, events in many real world applications have durations, and the relationships among these ev...
223
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
This paper describes query processing in the DBO database system. Like other database systems designed for ad-hoc, analytic processing, DBO is able to compute the exact answer to ...
209
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
201
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
The energy efficiency of computer systems is an important concern in a variety of contexts. In data centers, reducing energy use improves operating cost, scalability, reliability,...