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ATAL
2007
Springer
16 years 27 days ago
Winner determination for mixed multi-unit combinatorial auctions via petri nets
Mixed Multi-Unit Combinatorial Auctions (MMUCAs) allow agents to bid for bundles of goods to buy, goods to sell, and transformations of goods. In particular, MMUCAs offer a high ...
Andrea Giovannucci, Juan A. Rodríguez-Aguil...
CSR
2007
Springer
16 years 26 days ago
Ruling Out Polynomial-Time Approximation Schemes for Hard Constraint Satisfaction Problems
The maximum constraint satisfaction problem (Max CSP) is the following computational problem: an instance is a finite collection of constraints on a set of variables, and the goal...
Peter Jonsson, Andrei A. Krokhin, Fredrik Kuivinen
ECAL
2007
Springer
16 years 26 days ago
A Multi-level Selection Model for the Emergence of Social Norms
We develop a multi-level selection model in the framework of indirect reciprocity. Using two levels of selection, one at the individual level and another at the group level, we pro...
Francisco C. Santos, Fabio A. C. C. Chalub, Jorge ...
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ECAL
2007
Springer
16 years 26 days ago
Investigating the Emergence of Phenotypic Plasticity in Evolving Digital Organisms
Abstract. In the natural world, individual organisms can adapt as their environment changes. In most in silico evolution, however, individual organisms tend to consist of rigid sol...
Jeff Clune, Charles Ofria, Robert T. Pennock
ESWS
2007
Springer
16 years 26 days ago
Towards a Semantic Wiki for Science
Collaborative work environments for scientific knowledge have many applications in research as well as in education. Such systems already exist (e.g. Wikipedia and PlanetMath), b...
Christoph Lange 0002