549 search results - page 21 / 110 » Data Expiration and Aggregate Queries |
DAWAK
2007
Springer
15 years 6 months ago
2007
Springer
We propose a privacy-preserving protocol for computing aggregation queries over the join of private tables. In this problem, several parties wish to share aggregated information ov...
100
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ADBIS
2005
Springer
15 years 5 months ago
2005
Springer
We present a formal analysis of the following view-selection problem: Given a set of queries and a database, return definitions of views that, when materialized in the database, w...
131
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PERCOM
2006
ACM
15 years 11 months ago
2006
ACM
In this paper, we design and evaluate an energy efficient data retrieval architecture for continuous aggregate queries in wireless sensor networks. We show how the modification of...
IDEAS
2008
IEEE
15 years 6 months ago
2008
IEEE
Peer-to-peer database systems (P2PDBs) aim at providing database services with node autonomy, high availability and loose coupling between participating nodes by building the DBMS...
148
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SIGIR
2012
ACM
13 years 2 months ago
2012
ACM
We introduce the problem of domain adaptation for content-based retrieval and propose a domain adaptation method based on relative aggregation points (RAPs). Content-based retriev...