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IJCAI
2003
13 years 5 months ago
Causes and Explanations Revisited
This paper reconsiders the notions of actual cause and explanation in functional causal models. We demonstrate that isomorphic causal models can generate intuitively different cau...
James D. Park
IJCAI
2003
13 years 5 months ago
Improving Coevolutionary Search for Optimal Multiagent Behaviors
Evolutionary computation is a useful technique for learning behaviors in multiagent systems. Among the several types of evolutionary computation, one natural and popular method is...
Liviu Panait, R. Paul Wiegand, Sean Luke
IJCAI
2003
13 years 5 months ago
Skewing: An Efficient Alternative to Lookahead for Decision Tree Induction
This paper presents a novel, promising approach that allows greedy decision tree induction algorithms to handle problematic functions such as parity functions. Lookahead is the st...
David Page, Soumya Ray
IJCAI
2003
13 years 5 months ago
Explicit vs Implicit Profiling - A Case-Study in Electronic Programme Guides
In this paper, we evaluate the use of implicit interest indicators as the basis for user profiling in the Digital TV domain. Research in more traditional domains, such as Web brow...
Derry O'Sullivan, Barry Smyth, David C. Wilson
IJCAI
2003
13 years 5 months ago
Inducing criteria for lexicalization parts of speech using the Cyc KB
We present an approach for learning part-of-speech distinctions by induction over the lexicon of the Cyc knowledge base. This produces good results (74.6%) using a decision tree t...
Tom O'Hara, Michael J. Witbrock, Bjørn Alda...
IJCAI
2003
13 years 5 months ago
Does a New Simple Gaussian Weighting Approach Perform Well in Text Categorization?
A new approach to the Text Categorization problem is here presented. It is called Gaussian Weighting and it is a supervised learning algorithm that, during the training phase, est...
Giorgio Maria Di Nunzio, Alessandro Micarelli
IJCAI
2003
13 years 5 months ago
Virtual World as Interface for Human-Robot Interaction
This article describes preliminary work on a research environment called Virtual Synergy to represent a shared virtual map of an area for multiple autonomous robots by modifying t...
Eric Normand, Sheila Tejada
IJCAI
2003
13 years 5 months ago
Abductive Matchmaking using Description Logics
Motivated by the matchmaking problem in electronic marketplaces, we study abduction in Description Logics. We devise suitable definitions of the problem, and show how they can mod...
Tommaso Di Noia, Eugenio Di Sciascio, Francesco M....
IJCAI
2003
13 years 5 months ago
Imitation Learning of Team-play in Multiagent System based on Hidden Markov Modeling
This paper addresses agents' intentions as building blocks of imitation learning that abstract local situations of the agent, and proposes a hierarchical hidden Markov model ...
Itsuki Noda