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255
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ICDE
2009
IEEE
139views Database» more  ICDE 2009»
16 years 4 months ago
Minimizing Communication Cost in Distributed Multi-query Processing
Increasing prevalence of large-scale distributed monitoring and computing environments such as sensor networks, scientific federations, Grids etc., has led to a renewed interest in...
Jian Li, Amol Deshpande, Samir Khuller
129
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NBIS
2007
Springer
15 years 8 months ago
Implementing Range Queries with a Decentralized Balanced Tree over Distributed Hash Tables
Range queries, retrieving all keys within a given range, is an important add-on for Distributed Hash Tables (DHTs), as they rely only on exact key matching lookup. In this paper we...
Nuno Lopes, Carlos Baquero
138
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ACSAC
2003
IEEE
15 years 6 months ago
Scalable and Efficient PKI for Inter-Organizational Communication
We propose an efficient and flexible system for a secure and authentic data exchange in a multiinstitutional environment, where the institutions maintain different databases and p...
Arne Ansper, Ahto Buldas, Margus Freudenthal, Jan ...
CIKM
2008
Springer
15 years 4 months ago
Efficient sampling of information in social networks
As online social networking emerges, there has been increased interest to utilize the underlying social structure as well as the available social information to improve search. In...
Gautam Das, Nick Koudas, Manos Papagelis, Sushruth...
263
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SIGMOD
2005
ACM
254views Database» more  SIGMOD 2005»
16 years 2 months ago
Conceptual Partitioning: An Efficient Method for Continuous Nearest Neighbor Monitoring
Given a set of objects P and a query point q, a k nearest neighbor (k-NN) query retrieves the k objects in P that lie closest to q. Even though the problem is well-studied for sta...
Kyriakos Mouratidis, Marios Hadjieleftheriou, Dimi...