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CORR
2011
Springer
192views Education» more  CORR 2011»
13 years 8 days ago
Improved Approximation Guarantees for Lower-Bounded Facility Location
d Abstract) Sara Ahmadian∗ Chaitanya Swamy∗ We consider the lower-bounded facility location (LBFL) problem (also sometimes called load-balanced facility location), which is a ...
Sara Ahmadian, Chaitanya Swamy
APPROX
2000
Springer
190views Algorithms» more  APPROX 2000»
13 years 9 months ago
Approximating node connectivity problems via set covers
Given a graph (directed or undirected) with costs on the edges, and an integer k, we consider the problem of nding a k-node connected spanning subgraph of minimum cost. For the ge...
Guy Kortsarz, Zeev Nutov
COMPGEOM
2009
ACM
13 years 11 months ago
PTAS for geometric hitting set problems via local search
We consider the problem of computing minimum geometric hitting sets in which, given a set of geometric objects and a set of points, the goal is to compute the smallest subset of p...
Nabil H. Mustafa, Saurabh Ray
MOBIQUITOUS
2007
IEEE
13 years 11 months ago
Minimum Disruption Service Composition and Recovery over Mobile Ad Hoc Networks
— The dynamic nature of mobile ad hoc networks poses fundamental challenges to the design of service composition schemes that can minimize the effect of service disruptions. Alth...
Shanshan Jiang, Yuan Xue, Douglas C. Schmidt
DAC
2011
ACM
12 years 5 months ago
Fault-tolerant 3D clock network
Clock tree synthesis is one of the most important and challenging problems in 3D ICs. The clock signals have to be delivered by through-silicon vias (TSVs) to different tiers with...
Chiao-Ling Lung, Yu-Shih Su, Shih-Hsiu Huang, Yiyu...