549 search results - page 50 / 110 » Data Expiration and Aggregate Queries |
101
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PVLDB
2010
14 years 6 months ago
2010
A RkNN query returns all objects whose nearest k neighbors contain the query object. In this paper, we consider RkNN query processing in the case where the distances between attri...
DOLAP
2004
ACM
15 years 5 months ago
2004
ACM
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...
100
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SIGIR
1996
ACM
15 years 4 months ago
1996
ACM
The aggregated structure of documents plays a key role in full-text, multimedia, and network Information Retrieval (IR). Considering aggregation provides new querying facilities a...
CCS
2008
ACM
15 years 1 months ago
2008
ACM
Privacy concerns relating to sharing network traces have traditionally been handled via sanitization, which includes removal of sensitive data and IP address anonymization. We arg...
126
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MOBIQUITOUS
2005
IEEE
15 years 5 months ago
2005
IEEE
Recent research has led to the advent of software systems capable of performing query processing in sensor networks. They perform query processing in a sensor network by construct...