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» On the Convergence of Bound Optimization Algorithms
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CIAC
1994
Springer
148views Algorithms» more  CIAC 1994»
14 years 29 days ago
Efficient Reorganization of Binary Search Trees
We consider the problem of maintaining a binary search tree (BST) that minimizes the average access cost needed to satisfy randomly generated requests. We analyze scenarios in whi...
Micha Hofri, Hadas Shachnai
CONEXT
2008
ACM
13 years 10 months ago
TDM MAC protocol design and implementation for wireless mesh networks
We present the design, implementation, and evaluation of a Time Division Multiplex (TDM) MAC protocol for multihop wireless mesh networks using a programmable wireless platform. E...
Dimitrios Koutsonikolas, Theodoros Salonidis, Henr...
SODA
2003
ACM
125views Algorithms» more  SODA 2003»
13 years 10 months ago
Random MAX SAT, random MAX CUT, and their phase transitions
With random inputs, certain decision problems undergo a “phase transition”. We prove similar behavior in an optimization context. Given a conjunctive normal form (CNF) formula...
Don Coppersmith, David Gamarnik, Mohammad Taghi Ha...
ANOR
2005
120views more  ANOR 2005»
13 years 8 months ago
Solving the Vehicle Routing Problem with Stochastic Demands using the Cross-Entropy Method
An alternate formulation of the classical vehicle routing problem with stochastic demands (VRPSD) is considered. We propose a new heuristic method to solve the problem. The algori...
Krishna Chepuri, Tito Homem-de-Mello
PVLDB
2008
77views more  PVLDB 2008»
13 years 8 months ago
Efficient network aware search in collaborative tagging sites
The popularity of collaborative tagging sites presents a unique opportunity to explore keyword search in a context where query results are determined by the opinion of a network o...
Sihem Amer-Yahia, Michael Benedikt, Laks V. S. Lak...