316 search results - page 30 / 64 » Top-K aggregation queries over large networks |
SENSYS
2003
ACM
15 years 3 months ago
2003
ACM
Wireless sensor networks enable dense sensing of the environment, offering unprecedented opportunities for observing the physical world. Centralized data collection and analysis a...
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SIGMOD
2004
ACM
15 years 10 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...
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
SIGMOD
2001
ACM
15 years 10 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 ...
DASFAA
2007
IEEE
15 years 4 months ago
2007
IEEE
As large-scale sensor networks are being deployed with the objective of collecting quality data to support user queries and decision-making, the role of a scalable query model beco...