4051 search results - page 495 / 811 » Aggregation |
138
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
Massive-scale self-administered networks like Peer-to-Peer and Sensor Networks have data distributed across thousands of participant hosts. These networks are highly dynamic with ...
167
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
We are developing a distributed query processor called PIER, which is designed to run on the scale of the entire Internet. PIER utilizes a Distributed Hash Table (DHT) as its comm...
161
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
We present new algorithms on commodity graphics processors to perform fast computation of several common database operations. Specifically, we consider operations such as conjunct...
124
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SIGMOD
2002
ACM
16 years 5 months ago
2002
ACM
Recently, Haas and Hellerstein proposed the hash ripple join algorithm in the context of online aggregation. Although the algorithm rapidly gives a good estimate for many join-agg...
130
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SIGMOD
2001
ACM
16 years 5 months ago
2001
ACM
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...