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SPAA
2004
ACM
15 years 11 months ago
Lower bounds for graph embeddings and combinatorial preconditioners
Given a general graph G, a fundamental problem is to find a spanning tree H that best approximates G by some measure. Often this measure is some combination of the congestion and...
Gary L. Miller, Peter C. Richter
WWW
2009
ACM
16 years 6 months ago
Bid optimization for broad match ad auctions
Ad auctions in sponsored search support"broad match"that allows an advertiser to target a large number of queries while bidding only on a limited number. While giving mo...
Eyal Even-Dar, Vahab S. Mirrokni, S. Muthukrishnan...
GLOBECOM
2009
IEEE
16 years 26 days ago
Data Acquisition through Joint Compressive Sensing and Principal Component Analysis
—In this paper we look at the problem of accurately reconstructing distributed signals through the collection of a small number of samples at a data gathering point. The techniqu...
Riccardo Masiero, Giorgio Quer, Daniele Munaretto,...
INFOCOM
2010
IEEE
15 years 4 months ago
Distributed Monitoring and Aggregation in Wireless Sensor Networks
— Self-monitoring the sensor statuses such as liveness, node density and residue energy is critical for maintaining the normal operation of the sensor network. When building the ...
Changlei Liu, Guohong Cao
ICOIN
2004
Springer
15 years 11 months ago
Performance of New Broadcast Forwarding Criteria in MANET
In a mobile ad hoc network (MANET), packet broadcast is common and frequently used to disseminate information. Broadcast consume large amount of bandwidth resource, which is scarce...
Lijuan Zhu, Bu-Sung Lee, Boon-Chong Seet, Kai Juan...