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MIDDLEWARE
2005
Springer
16 years 3 days ago
Frugal Event Dissemination in a Mobile Environment
Abstract. This paper describes an event dissemination algorithm that impletopic-based publish/subscribe interaction abstraction in mobile ad-hoc networks (MANETs). Our algorithm is...
Sébastien Baehni, Chirdeep Singh Chhabra, R...
PDCAT
2005
Springer
16 years 3 days ago
Approximating Spanning Trees with Inner Nodes Cost
We consider the practical NP-complete problem of finding a minimum weight spanning tree with both edge weights and inner nodes weights. We present two polynomial time algorithms ...
Rudolf Fleischer, Qi Ge, Jian Li, Shijun Tian, Hai...
WG
2005
Springer
16 years 2 days ago
Computation of Chromatic Polynomials Using Triangulations and Clique Trees
In this paper, we present a new algorithm for computing the chromatic polynomial of a general graph G. Our method is based on the addition of edges and contraction of non-edges of ...
Pascal Berthomé, Sylvain Lebresne, Kim Nguy...
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APPROX
2004
Springer
117views Algorithms» more  APPROX 2004»
16 years 19 hour ago
The Greedy Algorithm for the Minimum Common String Partition Problem
In the Minimum Common String Partition problem (MCSP) we are given two strings on input, and we wish to partition them into the same collection of substrings, minimizing the numbe...
Marek Chrobak, Petr Kolman, Jiri Sgall
COCO
2004
Springer
79views Algorithms» more  COCO 2004»
16 years 14 hour ago
Relativized NP Search Problems and Propositional Proof Systems
An NP search problem is the problems of finding a witness to the given NP predicate, and TFNP is the class of total NP search problems. TFNP contains a number of subclasses conta...
Josh Buresh-Oppenheim, Tsuyoshi Morioka