316 search results - page 11 / 64 » Top-K aggregation queries over large networks |
DOLAP
2004
ACM
15 years 3 months ago
2004
ACM
A peer-to-peer (P2P) data management system consists essentially of a network of peer systems, each maintaining full autonomy over its own data resources. Data exchange between pe...
184
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract-- Privacy protection is a major concern when microdata needs to be released for ad hoc analyses. This has led to a lot of recent research in privacy goals and table anonym...
169
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Many aspects of the data integration problem have been considered in the literature: how to match schemas across different data sources, how to decide when different records refer...
CIKM
2006
Springer
15 years 1 months ago
2006
Springer
In this paper we introduce the distributed spatio-temporal similarity search problem: given a query trajectory Q, we want to find the trajectories that follow a motion similar to ...
MTA
2007
14 years 9 months ago
2007
Complex multimedia queries, aiming to retrieve from large databases those objects that best match the query specification, are usually processed by splitting them into a set of m ...