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ECAI
2008
Springer
13 years 6 months ago
A Simulation-based Approach for Solving Generalized Semi-Markov Decision Processes
Time is a crucial variable in planning and often requires special attention since it introduces a specific structure along with additional complexity, especially in the case of dec...
Emmanuel Rachelson, Gauthier Quesnel, Fréd&...
ECAI
2008
Springer
13 years 6 months ago
Privacy-Preserving Query Answering in Logic-based Information Systems
Abstract. We study privacy guarantees for the owner of an information system who wants to share some of the information in the system with clients while keeping some other informat...
Bernardo Cuenca Grau, Ian Horrocks
ECAI
2008
Springer
13 years 6 months ago
Coalition Structures in Weighted Voting Games
Abstract. Weighted voting games are a popular model of collaboration in multiagent systems. In such games, each agent has a weight (intuitively corresponding to resources he can co...
Edith Elkind, Georgios Chalkiadakis, Nicholas R. J...
ECAI
2008
Springer
13 years 6 months ago
A Coherent Well-founded Model for Hybrid MKNF Knowledge Bases
Abstract. With the advent of the Semantic Web, the question becomes important how to best combine open-world based ontology languages, like OWL, with closed-world rules paradigms. ...
Matthias Knorr, José Júlio Alferes, ...
ECAI
2008
Springer
13 years 6 months ago
Reinforcement Learning with the Use of Costly Features
In many practical reinforcement learning problems, the state space is too large to permit an exact representation of the value function, much less the time required to compute it. ...
Robby Goetschalckx, Scott Sanner, Kurt Driessens
ECAI
2008
Springer
13 years 6 months ago
WikiTaxonomy: A Large Scale Knowledge Resource
We present a taxonomy automatically generated from the system of categories in Wikipedia. Categories in the resource are identified as either classes or instances and included in a...
Simone Paolo Ponzetto, Michael Strube
ECAI
2008
Springer
13 years 6 months ago
Belief revision with reinforcement learning for interactive object recognition
From a conceptual point of view, belief revision and learning are quite similar. Both methods change the belief state of an intelligent agent by processing incoming information. Ho...
Thomas Leopold, Gabriele Kern-Isberner, Gabriele P...
ECAI
2008
Springer
13 years 6 months ago
Fighting Knowledge Acquisition Bottleneck with Argument Based Machine Learning
Knowledge elicitation is known to be a difficult task and thus a major bottleneck in building a knowledge base. Machine learning has long ago been proposed as a way to alleviate th...
Martin Mozina, Matej Guid, Jana Krivec, Aleksander...
ECAI
2008
Springer
13 years 6 months ago
Word Sense Induction Using Graphs of Collocations
Word Sense Induction (WSI) is the task of identifying the different senses (uses) of a target word in a given text. Traditional graph-based approaches create and then cluster a gra...
Ioannis P. Klapaftis, Suresh Manandhar
ECAI
2008
Springer
13 years 6 months ago
Dynamic Backtracking for Distributed Constraint Optimization
We propose a new algorithm for solving Distributed Constraint Optimization Problems (DCOPs). Our algorithm, called DyBop, is based on branch and bound search with dynamic ordering ...
Redouane Ezzahir, Christian Bessiere, Imade Benela...