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ISDA
2009
IEEE
14 years 6 months ago
From Local Patterns to Global Models: Towards Domain Driven Educational Process Mining
Educational process mining (EPM) aims at (i) constructing complete and compact educational process models that are able to reproduce all observed behavior (process model discovery...
Nikola Trcka, Mykola Pechenizkiy
ISDA
2009
IEEE
14 years 6 months ago
A Genetic Programming-Based Algorithm for Composing Web Services
—Web Services are interfaces that describe a collection of operations that are network-accessible through standardized web protocols. When a required operation is not found, seve...
Manuel Mucientes, Manuel Lama, Miguel I. Couto
ISDA
2009
IEEE
14 years 6 months ago
Improving Academic Performance Prediction by Dealing with Class Imbalance
Abstract—This paper introduces and compares some techniques used to predict the student performance at the university. Recently, researchers have focused on applying machine lear...
Nguyen Thai-Nghe, Andre Busche, Lars Schmidt-Thiem...
ISDA
2009
IEEE
14 years 6 months ago
Extending Datatype Restrictions in Fuzzy Description Logics
Fuzzy Description Logics (DLs) are a family of logics which allow the representation of (and the reasoning within) structured knowledge affected by vagueness. Although a relativel...
Fernando Bobillo, Umberto Straccia
ISDA
2009
IEEE
14 years 6 months ago
GPU-Based Road Sign Detection Using Particle Swarm Optimization
—Road Sign Detection is a major goal of Advanced Driving Assistance Systems (ADAS). Since the dawn of this discipline, much work based on different techniques has been published ...
Luca Mussi, Stefano Cagnoni, Fabio Daolio
ISDA
2009
IEEE
14 years 6 months ago
A Combined Query Expansion Technique for Retrieving Opinions from Blogs
In this paper, we discuss the the role of the retrieval component in an TREC style opinion question answering system. Since blog retrieval differs from traditional ad-hoc document...
Saeedeh Momtazi, Stefan Kazalski, Dietrich Klakow
ISDA
2009
IEEE
14 years 6 months ago
Introducing Type-2 Fuzzy Sets for Image Texture Modelling
Jesús Chamorro-Martínez, Pedro Mart&...
ISDA
2009
IEEE
14 years 6 months ago
Measures for Unsupervised Fuzzy-Rough Feature Selection
For supervised learning, feature selection algorithms attempt to maximise a given function of predictive accuracy. This function usually considers the ability of feature vectors t...
Neil MacParthalain, Richard Jensen
ISDA
2009
IEEE
14 years 6 months ago
Event Related Biometrics: Towards an Unobtrusive Sensing Seat System for Continuous Human Authentication
—The present work is focused on the improvement of a Sensing Seat system previously developed by the authors for the initial authentication purpose in office and car scenarios. ...
Marcello Ferro, Giovanni Pioggia, Alessandro Togne...