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161
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MSWIM
2005
ACM
16 years 12 days ago
2005
ACM
We show that randomized beamforming is a simple yet efficient communication strategy in wireless multihop networks if no neighbor location information is at hand. Already small an...
175
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SMA
2005
ACM
16 years 12 days ago
2005
ACM
Given a planar set S of arbitrary topology and a radius r, we show how to construct an r-tightening of S, which is a set whose boundary has a radius of curvature everywhere greate...
183
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PCI
2005
Springer
16 years 10 days ago
2005
Springer
Abstract. In this paper, we propose a novel heuristic algorithm for constructing a minimum cost multicast tree. Our work is based on a directed asymmetric network and shows an impr...
161
Voted
SENSYS
2004
ACM
16 years 8 days ago
2004
ACM
A class of synchronization protocols for dense, large-scale sensor networks is presented. The protocols build on the recent work of Hong, Cheow, and Scaglione [5, 6] in which the ...
201
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MM
2003
ACM
16 years 3 days ago
2003
ACM
This paper discusses a new technique for detecting affective events using Hidden Markov Models(HMM). To map low level features of video data to high level emotional events, we per...