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KR
2004
Springer
13 years 11 months ago
Situations, Si! Situation Terms, No!
The situation calculus, as proposed by McCarthy and Hayes, and developed over the last decade by Reiter and co-workers, is reconsidered. A new logical variant is proposed that cap...
Gerhard Lakemeyer, Hector J. Levesque
KR
2004
Springer
13 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
WWW
2008
ACM
14 years 6 months ago
A differential notion of place for local search
For extracting the characteristics a specific geographic entity, and notably a place, we propose to use dynamic Extreme Tagging Systems in combination with the classic approach of...
Vlad Tanasescu, John Domingue
KR
2004
Springer
13 years 11 months ago
Knowledge Discovery by Reversing Inductive Knowledge Representation
In a very basic sense, the aim of knowledge discovery is to reveal structures of knowledge which can be seen as being represented by structural relationships. In this paper, we ma...
Gabriele Kern-Isberner, Jens Fisseler
KR
1998
Springer
13 years 10 months ago
Modal Semantics for Knowledge Bases Dealing with Vague Concepts
The paper investigates the characterisation of vague concepts within the framework of modal logic. This work builds on the supervaluation approach of Fine and exploits the idea of...
Brandon Bennett