133 search results - page 23 / 27 » Ad-hoc Top-k Query Answering for Data Streams |
PODS
2010
ACM
15 years 4 months ago
2010
ACM
A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
104
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MOBISYS
2007
ACM
15 years 11 months ago
2007
ACM
Provenance becomes a critical requirement for healthcare IT infrastructures, especially when pervasive biomedical sensors act as a source of raw medical streams for large-scale, a...
SSDBM
2006
IEEE
15 years 5 months ago
2006
IEEE
Many publisWsubscribe systems have been built using wireless sensor networks, WSNs, deployedfor real-world environmentaldata collection, securitymonitoring,and object tracking. Ho...
EDBT
2008
ACM
15 years 12 months ago
2008
ACM
Users often do not require a complete answer to their query but rather only a sample. They expect the sample to be either the largest possible or the most representative (or both)...
125
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MOBICOM
2010
ACM
14 years 12 months ago
2010
ACM
Consider mobile targets moving in a plane and their movements being monitored by a network such as a field of sensors. We develop distributed algorithms for in-network tracking an...