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» Approximation Algorithms for k-hurdle Problems
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WWW
2008
ACM
16 years 7 months ago
A combinatorial allocation mechanism with penalties for banner advertising
Most current banner advertising is sold through negotiation thereby incurring large transaction costs and possibly suboptimal allocations. We propose a new automated system for se...
Uriel Feige, Nicole Immorlica, Vahab S. Mirrokni, ...
INFOCOM
2007
IEEE
16 years 28 days ago
Fault-Tolerant Relay Node Placement in Heterogeneous Wireless Sensor Networks
— Existing work on placing additional relay nodes in wireless sensor networks to improve network connectivity typically assumes homogeneous wireless sensor nodes with an identica...
Xiaofeng Han, Xiang Cao, Errol L. Lloyd, Chien-Chu...
ICALP
2011
Springer
14 years 10 months ago
On Tree-Constrained Matchings and Generalizations
We consider the following Tree-Constrained Bipartite Matching problem: Given two rooted trees T1 = (V1, E1), T2 = (V2, E2) and a weight function w : V1 × V2 → R+, find a maximu...
Stefan Canzar, Khaled M. Elbassioni, Gunnar W. Kla...
CDC
2008
IEEE
16 years 1 months ago
Simultaneous placement and assignment for exploration in mobile backbone networks
Abstract— This paper presents new algorithms for conducting cooperative sensing using a mobile backbone network. This hierarchical sensing approach combines backbone nodes, which...
Emily M. Craparo, Jonathan P. How, Eytan Modiano
COLT
2008
Springer
15 years 8 months ago
Finding Metric Structure in Information Theoretic Clustering
We study the problem of clustering discrete probability distributions with respect to the Kullback-Leibler (KL) divergence. This problem arises naturally in many applications. Our...
Kamalika Chaudhuri, Andrew McGregor