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ECAI
2004
Springer
15 years 11 months ago
A Generalized Quadratic Loss for Support Vector Machines
The standard SVM formulation for binary classification is based on the Hinge loss function, where errors are considered not correlated. Due to this, local information in the featu...
Filippo Portera, Alessandro Sperduti
EVOW
2004
Springer
15 years 11 months ago
Analysis of Proteomic Pattern Data for Cancer Detection
Abstract. In this paper we analyze two proteomic pattern datasets containing measurements from ovarian and prostate cancer samples. In particular, a linear and a quadratic support ...
Kees Jong, Elena Marchiori, Aad van der Vaart
ITS
2004
Springer
115views Multimedia» more  ITS 2004»
15 years 11 months ago
Evaluating the Effectiveness of a Tutorial Dialogue System for Self-Explanation
Previous research has shown that self-explanation can be supported effectively in an intelligent tutoring system by simple means such as menus. We now focus on the hypothesis that ...
Vincent Aleven, Amy Ogan, Octav Popescu, Cristen T...
ITS
2004
Springer
129views Multimedia» more  ITS 2004»
15 years 11 months ago
Spoken Versus Typed Human and Computer Dialogue Tutoring
While human tutors typically interact with students using spoken dialogue, most computer dialogue tutors are text-based. We have conducted two experiments comparing typed and spoke...
Diane J. Litman, Carolyn Penstein Rosé, Kat...
MICAI
2004
Springer
15 years 11 months ago
Graduated Errors in Approximate Queries Using Hierarchies and Ordered Sets
Abstract. Often, qualitative values have an ordering, such as (veryshort, short, medium-height, tall) or a hierarchical level, such as (TheWorld, Europe, Spain, Madrid), which are ...
Adolfo Guzmán-Arenas, Serguei Levachkine