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SIGECOM
2003
ACM
125views ECommerce» more  SIGECOM 2003»
14 years 3 months ago
Complexity of determining nonemptiness of the core
Coalition formation is a key problem in automated negotiation among self-interested agents, and other multiagent applications. A coalition of agents can sometimes accomplish thing...
Vincent Conitzer, Tuomas Sandholm
CIAC
2003
Springer
98views Algorithms» more  CIAC 2003»
14 years 3 months ago
Improving Customer Proximity to Railway Stations
Abstract. We consider problems of (new) station placement along (existing) railway tracks, so as to increase the number of users. We prove that, in spite of the NP-hardness for the...
Evangelos Kranakis, Paolo Penna, Konrad Schlude, D...
COMPGEOM
2010
ACM
14 years 3 months ago
Finding shortest non-trivial cycles in directed graphs on surfaces
Let D be a weighted directed graph cellularly embedded in a surface of genus g, orientable or not, possibly with boundary. We describe algorithms to compute a shortest non-contrac...
Sergio Cabello, Éric Colin de Verdiè...
GECCO
2006
Springer
161views Optimization» more  GECCO 2006»
14 years 1 months ago
An empirical investigation of how and why neutrality affects evolutionary search
The effects of neutrality on evolutionary search have been considered in a number of interesting studies, the results of which, however, have been contradictory. Some researchers ...
Edgar Galván López, Riccardo Poli
GECCO
2006
Springer
215views Optimization» more  GECCO 2006»
14 years 1 months ago
A multi-chromosome approach to standard and embedded cartesian genetic programming
Embedded Cartesian Genetic Programming (ECGP) is an extension of Cartesian Genetic Programming (CGP) that can automatically acquire, evolve and re-use partial solutions in the for...
James Alfred Walker, Julian Francis Miller, Rachel...