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97
Voted
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
: In this paper, we propose a group-based location service (GrLS) for mobile ad hoc networks (MANETs). The novelty of GrLS is in its exploitation of group mobility to improve the p...
DPD
1998
14 years 10 months ago
1998
A warehouse is a data repository containing integrated information for e cient querying and analysis. Maintaining the consistencyof warehouse data is challenging, especially if the...
158
click to vote
VLDB
2008
ACM
15 years 10 months ago
2008
ACM
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
We propose a balanced tree structure overlay on a peer-to-peer network capable of supporting both exact queries and range queries efficiently. In spite of the tree structure caus...
81
Voted
MOBICOM
2000
ACM
15 years 2 months ago
2000
ACM
—Caching frequently accessed data items on the client side is an effective technique for improving performance in a mobile environment. Classical cache invalidation strategies ar...