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IJCAI
2007
13 years 6 months ago
Semantic Precision and Recall for Ontology Alignment Evaluation
In order to evaluate ontology matching algorithms it is necessary to confront them with test ontologies and to compare the results with some reference. The most prominent comparis...
Jérôme Euzenat
IJCAI
2007
13 years 6 months ago
Kernel Conjugate Gradient for Fast Kernel Machines
We propose a novel variant of the conjugate gradient algorithm, Kernel Conjugate Gradient (KCG), designed to speed up learning for kernel machines with differentiable loss functio...
Nathan D. Ratliff, J. Andrew Bagnell
IJCAI
2007
13 years 6 months ago
Lambda Depth-First Proof Number Search and Its Application to Go
Kazuki Yoshizoe, Akihiro Kishimoto, Martin Mü...
IJCAI
2007
13 years 6 months ago
Argumentation Based Contract Monitoring in Uncertain Domains
Few existing argumentation frameworks are designed to deal with probabilistic knowledge, and none are designed to represent possibilistic knowledge, making them unsuitable for man...
Nir Oren, Timothy J. Norman, Alun D. Preece
IJCAI
2007
13 years 6 months ago
A Comparison of Time-Space Schemes for Graphical Models
We investigate three parameterized algorithmic schemes for graphical models that can accommodate trade-offs between time and space: 1) AND/OR Adaptive Caching (AOC(i)); 2) Variabl...
Robert Mateescu, Rina Dechter
IJCAI
2007
13 years 6 months ago
A Fully Connectionist Model Generator for Covered First-Order Logic Programs
We present a fully connectionist system for the learning of first-order logic programs and the generation of corresponding models: Given a program and a set of training examples,...
Sebastian Bader, Pascal Hitzler, Steffen Höll...
IJCAI
2007
13 years 6 months ago
Learning from Partial Observations
We present a general machine learning framework for modelling the phenomenon of missing information in data. We propose a masking process model to capture the stochastic nature of...
Loizos Michael
IJCAI
2007
13 years 6 months ago
RoxyBot-06: An (SAA)2 TAC Travel Agent
In this paper, we describe our entrant in the travel division of the 2006 Trading Agent Competition (TAC). At a high level, the design of many successful autonomous trading agents...
Seong Jae Lee, Amy R. Greenwald, Victor Naroditski...
IJCAI
2007
13 years 6 months ago
One Class per Named Entity: Exploiting Unlabeled Text for Named Entity Recognition
In this paper, we present a simple yet novel method of exploiting unlabeled text to further improve the accuracy of a high-performance state-of-theart named entity recognition (NE...
Yingchuan Wong, Hwee Tou Ng
IJCAI
2007
13 years 6 months ago
Computation of Initial Modes for K-modes Clustering Algorithm Using Evidence Accumulation
Clustering accuracy of partitional clustering algorithm for categorical data primarily depends upon the choice of initial data points (modes) to instigate the clustering process. ...
Shehroz S. Khan, Shri Kant