Sciweavers

980 search results - page 29 / 196
» On Negative Bases
Sort
View
IJCNLP
2005
Springer
14 years 1 months ago
A New Method for Sentiment Classification in Text Retrieval
Traditional text categorization is usually a topic-based task, but a subtle demand on information retrieval is to distinguish between positive and negative view on text topic. In t...
Yi Hu, Jianyong Duan, Xiaoming Chen, Bingzhen Pei,...
DEON
2008
Springer
13 years 9 months ago
Changing Legal Systems: Abrogation and Annulment Part I: Revision of Defeasible Theories
Abstract. In this paper we investigate how to model legal abrogation and annulment in Defeasible Logic. We examine some options that embed in this setting, and similar rule-based s...
Guido Governatori, Antonino Rotolo
CCIA
2009
Springer
13 years 8 months ago
Secure and Optimal Base Contraction in Graded Lukasiewicz Logics
Abstract. The operation of base contraction was successfully characterized for a very general class of logics using the notion of remainder sets. Although, in the general case, thi...
Pere Pardo, Pilar Dellunde, Lluis Godo
ICFCA
2007
Springer
14 years 1 months ago
A Parameterized Algorithm for Exploring Concept Lattices
Kuznetsov shows that Formal Concept Analysis (FCA) is a natural framework for learning from positive and negative examples. Indeed, the results of learning from positive examples (...
Peggy Cellier, Sébastien Ferré, Oliv...
RR
2009
Springer
14 years 2 months ago
A Reasoner for Simple Conceptual Logic Programs
Open Answer Set Programming (OASP) can be seen as a framework to represent tightly integrated combined knowledge bases of ontologies and rules that are not necessarily DL-safe. The...
Stijn Heymans, Cristina Feier, Thomas Eiter