Sciweavers

ACL
1990
13 years 6 months ago
A Compositional Semantics for Focusing Subjuncts
A compositional semantics for focusing subjuncts-words such as only, even, and also--is developed from Rooth's theory of association with focus. By adapting the theory so tha...
Daniel Lyons, Graeme Hirst
AAAI
1990
13 years 6 months ago
Terminological Cycles in KL-ONE-based Knowledge Representation Languages
Cyclic definitions are often prohibited in terminological knowledge representation languages because, from a theoretical point of view, their semantics is not clear and, from a pr...
Franz Baader
AAAI
1993
13 years 6 months ago
The Semantics of Event Prevention
In planning tasks an agent may often find himself in a situation demanding that he choose an action that would prevent some unwanted event from occurring. Similarly, in tasks invo...
Charles L. Ortiz Jr.
ICMAS
1998
13 years 6 months ago
Verifiable Semantics for Agent Communication Languages
This paper examines the issue of developing semantics for agent communication languages. In particular, it considers the problem of giving a verifiable semantics for such language...
Michael Wooldridge
FMOODS
2000
13 years 6 months ago
Requirements Level Semantics for UML Statecharts
We propose a formal real-time semantics for UML statecharts aimed at the requirements level. A requirements-level model assumes perfect technology and has a considerably simpler se...
Rik Eshuis, Roel Wieringa
DLOG
2000
13 years 6 months ago
Knowledge Representation on the Web
Recently, there has been a wide interest in using ontologies on the Web. As a basis for this, RDF Schema (RDFS) provides means to define vocabulary, structure and constraints for ...
Stefan Decker, Dieter Fensel, Frank van Harmelen, ...
VIP
2003
13 years 6 months ago
Using Dual Cascading Learning Frameworks for Image Indexing
To bridge the semantic gap in content-based image retrieval, detecting meaningful visual entities (e.g. faces, sky, foliage, buildings etc) in image content and classifying images...
Joo-Hwee Lim, Jesse S. Jin
AAAI
2000
13 years 6 months ago
DATALOG with Constraints - An Answer-Set Programming System
Answer-set programming (ASP) has emerged recently as a viable programming paradigm well attuned to search problems in AI, constraint satisfaction and combinatorics. Propositional ...
Deborah East, Miroslaw Truszczynski
AAAI
1998
13 years 6 months ago
Fixpoint 3-Valued Semantics for Autoepistemic Logic
The paper presents a constructive 3-valued semantics for autoepistemic logic (AEL). We introduce a derivation operator and de ne the semantics as its least xpoint. The semantics is...
Marc Denecker, V. Wiktor Marek, Miroslaw Truszczyn...
AAAI
1998
13 years 6 months ago
A Non-Deterministic Semantics for Tractable Inference
Unit resolution is arguably the most useful known algorithm for tractable reasoning in propositional logic. Intuitively, if one knows a, b, and a b c, then c should be an obviou...
James M. Crawford, David W. Etherington