549 search results - page 86 / 110 » Data Expiration and Aggregate Queries |
184
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ICDE
2005
IEEE
16 years 1 months ago
2005
IEEE
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...
INFOCOM
2009
IEEE
15 years 6 months ago
2009
IEEE
Abstract—We are interested in topological analysis and processing of the large-scale distributed data generated by sensor networks. Naturally a large-scale sensor network is depl...
100
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EUROPAR
2005
Springer
15 years 5 months ago
2005
Springer
Abstract. We present PerfMiner, a system for the transparent collection, storage and presentation of thread-level hardware performance data across an entire cluster. Every sub-proc...
107
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CIKM
2008
Springer
15 years 1 months ago
2008
Springer
The standard SQL assumes that the users are aware of all tables and their schemas to write queries. This assumption may be valid when the users deal with a relatively small number...
108
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WWW
2011
ACM
14 years 6 months ago
2011
ACM
Recently answers for fact lookup queries have appeared on major search engines. For example, for the query {Barack Obama date of birth} Google directly shows “4 August 1961” a...