4051 search results - page 494 / 811 » Aggregation |
218
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SIGMOD
2006
ACM
16 years 5 months ago
2006
ACM
XPORT is a profile-driven distributed data dissemination system that supports an extensible set of data types, profiles types, and optimization metrics. XPORT efficiently implemen...
237
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SIGMOD
2006
ACM
16 years 5 months ago
2006
ACM
Monitoring data streams in a distributed system is the focus of much research in recent years. Most of the proposed schemes, however, deal with monitoring simple aggregated values...
208
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SIGMOD
2005
ACM
16 years 5 months ago
2005
ACM
One of the most common operations in analytic query processing is the application of an aggregate function to the result of a relational join. We describe an algorithm for computi...
252
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SIGMOD
2005
ACM
16 years 5 months ago
2005
ACM
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...
288
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SIGMOD
2005
ACM
16 years 5 months ago
2005
ACM
Database query languages can be intimidating to the nonexpert, leading to the immense recent popularity for keyword based search in spite of its significant limitations. The holy ...