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» Representing Symbolic Reasoning
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KR
2004
Springer
15 years 11 months ago
A Logic-Based Formulation of Active Visual Perception
Building on earlier attempts to characterise robot perception as a form of abduction, this paper presents a logical account of active visual perception in the context of an upper-...
Murray Shanahan, David A. Randell
JAIR
2008
109views more  JAIR 2008»
15 years 6 months ago
Modular Reuse of Ontologies: Theory and Practice
In this paper, we propose a set of tasks that are relevant for the modular reuse of ontologies. In order to formalize these tasks as reasoning problems, we introduce the notions o...
Bernardo Cuenca Grau, Ian Horrocks, Yevgeny Kazako...
ENTCS
2007
105views more  ENTCS 2007»
15 years 6 months ago
Narrowing and Rewriting Logic: from Foundations to Applications
Narrowing was originally introduced to solve equational E-unification problems. It has also been recognized as a key mechanism to unify functional and logic programming. In both ...
Santiago Escobar, José Meseguer, Prasanna T...
SEMWEB
2007
Springer
16 years 17 days ago
Optimizing the Crisp Representation of the Fuzzy Description Logic SROIQ
Classical ontologies are not suitable to represent imprecise nor uncertain pieces of information. Fuzzy Description Logics were born to represent the former type of knowledge, but ...
Fernando Bobillo, Miguel Delgado, Juan Góme...
GEOS
2005
Springer
15 years 12 months ago
A Qualitative Trajectory Calculus and the Composition of Its Relations
Continuously moving objects are prevalent in many domains. Although there have been attempts to combine both spatial and temporal relationships from a reasoning, a database, as wel...
Nico Van de Weghe, Bart Kuijpers, Peter Bogaert, P...