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FOCS
2008
IEEE
15 years 11 months ago
Shallow-Low-Light Trees, and Tight Lower Bounds for Euclidean Spanners
We show that for every n-point metric space M and positive integer k, there exists a spanning tree T with unweighted diameter O(k) and weight w(T) = O(k · n1/k ) · w(MST(M)), an...
Yefim Dinitz, Michael Elkin, Shay Solomon
142
Voted
ICC
2007
IEEE
101views Communications» more  ICC 2007»
15 years 11 months ago
Predicting the Performance of Mobile Ad Hoc Networks Using Scaled-Down Replicas
—Experimentation with mobile ad hoc network testbeds is preferred to simulations for performing high fidelity testing. But, at the same time, realistic experimentation with larg...
Fragkiskos Papadopoulos, Konstantinos Psounis
CSFW
2006
IEEE
15 years 10 months ago
A Framework for Establishing Decentralized Secure Coalitions
A coalition provides a virtual space across a network that allows its members to interact in a transparent manner. Coalitions may be formed for a variety of purposes. These range ...
Hongbin Zhou, Simon N. Foley
ICALP
2005
Springer
15 years 10 months ago
Facility Location in Sublinear Time
Abstract. In this paper we present a randomized constant factor approximation algorithm for the problem of computing the optimal cost of the metric Minimum Facility Location proble...
Mihai Badoiu, Artur Czumaj, Piotr Indyk, Christian...
DBKDA
2010
IEEE
169views Database» more  DBKDA 2010»
15 years 9 months ago
XLeaf: Twig Evaluation with Skipping Loop Joins and Virtual Nodes
Abstract—XML indexing and search has become an important topic, and twig joins are key building blocks in XML search systems. This paper describes a novel approach using a nested...
Nils Grimsmo, Truls Amundsen Bjørklund, &Os...