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ECAI
2004
Springer
14 years 5 months ago
Boosting Systematic Search by Weighting Constraints
In this paper, we present a dynamic and adaptive variable ordering heuristic which guides systematic search toward inconsistent or hard parts of a Constraint Satisfaction Problem (...
Frédéric Boussemart, Fred Hemery, Ch...
ECAI
2004
Springer
14 years 5 months ago
Learning Complex and Sparse Events in Long Sequences
The Hierarchical Hidden Markov Model (HHMM) is a well formalized tool suitable to model complex patterns in long temporal or spatial sequences. Even if effective algorithms are ava...
Marco Botta, Ugo Galassi, Attilio Giordana
ECAI
2004
Springer
14 years 5 months ago
Analysis of Design Process Dynamics
To enable the development of automated support for the dynamics of design processes, a challenge is to model and analyse such dynamics in a formal manner. This paper contributes a ...
Tibor Bosse, Catholijn M. Jonker, Jan Treur
ECAI
2004
Springer
14 years 5 months ago
The Mereology of Stages and Persistent Entities
Since our world is populated by entities that persist through time and that change over time it is important to represent knowledge about those entities in a formal manner. In this...
Thomas Bittner, Maureen Donnelly
ECAI
2004
Springer
14 years 5 months ago
A Syntactical Approach to Revision
The aim of this article is to revisit Dalal’s operator for belief revision. Dalal has proposed a technique for revising belief bases based on the minimization of a distance betw...
Guilherme Bittencourt, Laurent Perrussel, Jerusa M...
ECAI
2004
Springer
14 years 5 months ago
Preferences for Queries in a Mediator Approach
The problem of integrating relevant information obtained from multiple heterogeneous sources is a complex task, with which biologists are now faced. In this paper, we address the p...
Alain Bidault, Sarah Cohen Boulakia, Christine Fro...
ECAI
2004
Springer
14 years 5 months ago
A Context-Based Model of Attention
d abstract)1 Niek Bergboer Eric Postma Jaap van den Herik Institute for Knowledge and Agent Technology, Universiteit Maastricht, P.O. Box 616, 6200 MD Maastricht It is well known t...
Niek Bergboer, Eric O. Postma, H. Jaap van den Her...
ECAI
2004
Springer
14 years 5 months ago
Using Spatio-Temporal Continuity Constraints to Enhance Visual Tracking of Moving Objects
We present a framework for annotating dynamic scenes involving occlusion and other uncertainties. Our system comprises an object tracker, an object classifier and an algorithm for...
Brandon Bennett, Derek R. Magee, Anthony G. Cohn, ...
ECAI
2004
Springer
14 years 5 months ago
Extending a Lexicon Ontology for Intelligent Information Integration
One of the current research on the Semantic Web area is semantic annotation of information sources. On-line lexical ontologies can be exploited as a-priori common knowledge to prov...
Roberta Benassi, Sonia Bergamaschi, Alain Fergnani...
ECAI
2004
Springer
14 years 5 months ago
Job Shop Scheduling with Probabilistic Durations
Abstract. Proactive approaches to scheduling take into account information about the execution time uncertainty in forming a schedule. In this paper, we investigate proactive appro...
J. Christopher Beck, Nic Wilson