Sciweavers

ICTAI
2007
IEEE
14 years 5 months ago
Comparative Evaluation of Speech Parameterizations for Speech Recognition
In this work, we present comparative evaluation of the practical value of some recently proposed speech parameterizations on the speech recognition task. Specifically, in a common...
Iosif Mporas, Todor Ganchev, Mihalis Siafarikas, T...
ICTAI
2007
IEEE
14 years 5 months ago
Multi-agent Reinforcement Learning Using Strategies and Voting
Multiagent learning attracts much attention in the past few years as it poses very challenging problems. Reinforcement Learning is an appealing solution to the problems that arise...
Ioannis Partalas, Ioannis Feneris, Ioannis P. Vlah...
ICTAI
2007
IEEE
14 years 5 months ago
Automatic Personalized Spam Filtering through Significant Word Modeling
Typically, spam filters are built on the assumption that the characteristics of e-mails in the training set is identical to those in individual users’ inboxes on which it will b...
Khurum Nazir Junejo, Asim Karim
ICTAI
2007
IEEE
14 years 5 months ago
A Tool for Portfolio Generation Using an Argumentation Based Decision Making Framework
In this paper, a tool that uses an argumentation based decision making framework is proposed for the construction of mutual fund portfolios. The argumentation framework is employe...
Nikolaos I. Spanoudakis, Konstantina Pendaraki
ICTAI
2007
IEEE
14 years 5 months ago
Harnessing Ontologies for Argument-Based Decision-Making in Breast Cancer
We introduce a novel Ontology-based Argumentation Framework (OAF) that links a logic-based argumentation formalism and description logic ontologies. We show how these two formalis...
Matt Williams, Anthony Hunter
ICTAI
2007
IEEE
14 years 5 months ago
Adaptive Lookahead for Answer Set Computation
Lookahead is a well-known constraint propagation technique for DPLL-based SAT and answer set solvers. Despite its space pruning power, it can also slow down the search, due to its...
Guohua Liu, Jia-Huai You
ICTAI
2007
IEEE
14 years 5 months ago
ExOpaque: A Framework to Explain Opaque Machine Learning Models Using Inductive Logic Programming
In this paper we developed an Inductive Logic Programming (ILP) based framework ExOpaque that is able to extract a set of Horn clauses from an arbitrary opaque machine learning mo...
Yunsong Guo, Bart Selman
ICTAI
2007
IEEE
14 years 5 months ago
A Scalable and Efficient Outlier Detection Strategy for Categorical Data
Anna Koufakou, Enrique G. Ortiz, Michael Georgiopo...
ICTAI
2007
IEEE
14 years 5 months ago
Establishing Logical Rules from Empirical Data
We review a method of generating logical rules, or axioms, from empirical data. This method, using closed set properties of formal concept analysis, has been previously described ...
John L. Pfaltz