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DBPL
1993
Springer
141views Database» more  DBPL 1993»
13 years 10 months ago
Some Properties of Query Languages for Bags
In this paper we study the expressive power of query languages for nested bags. We de ne the ambient bag language by generalizing the constructs of the relational language of Brea...
Leonid Libkin, Limsoon Wong
ET
2007
67views more  ET 2007»
13 years 6 months ago
A Formal Analysis of Fault Diagnosis with D-matrices
As new approaches and algorithms are developed for system diagnosis, it is important to reflect on existing approaches to determine their strengths and weaknesses. Of concern is i...
John W. Sheppard, S. G. W. Butcher
AI
2005
Springer
13 years 6 months ago
On the logic of cooperation and propositional control
Cooperation logics have recently begun to attract attention within the multi-agent systems community. Using a cooperation logic, it is possible to represent and reason about the s...
Wiebe van der Hoek, Michael Wooldridge
LREC
2008
216views Education» more  LREC 2008»
13 years 8 months ago
Towards Semi Automatic Construction of a Lexical Ontology for Persian
Lexical ontologies and semantic lexicons are important resources in natural language processing. They are used in various tasks and applications, especially where semantic process...
Mehrnoush Shamsfard
KI
2007
Springer
14 years 25 days ago
Imagining Contexts
Abstract. The aim of this paper is to present a formal semantics inspired by the notion of Mental Imagery, largely researched in Cognitive Science and Experimental Psychology, that...
Ander Altuna