7536 search results - page 1424 / 1508 » The CLEAR 2007 Evaluation |
261
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
287
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
The proliferation of database-driven web sites (or web-databases) has brought upon a plethora of applications where both Quality of Service (QoS) and Quality of Data (QoD) are of ...
216
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
The use of any modern computer system leaves unintended traces of expired data and remnants of users' past activities. In this paper, we investigate the unintended persistenc...
240
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Two trends are converging to make the CPU cost of a table scan a more important component of database performance. First, table scans are becoming a larger fraction of the query p...
235
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...