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» Co-Logic Programming: Extending Logic Programming with Coind...
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MKWI
2008
150views Business» more  MKWI 2008»
13 years 9 months ago
A Reference Model for Seamless Cross-Organizational Collaboration in the Public Sector
: Today, electronic cross-company collaboration is about to gain significant momentum, but still shows weaknesses with respect to productivity, flexibility and quality: A lack of s...
Christoph Schroth
DLOG
2008
13 years 10 months ago
Taming the Infinite Chase: Query Answering under Expressive Relational Constraints
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
Andrea Calì, Georg Gottlob, Michael Kifer
FCA
2005
Springer
207views Formal Methods» more  FCA 2005»
14 years 1 months ago
From Formal Concept Analysis to Contextual Logic
Abstract. A main goal of Formal Concept Analysis from its very beginning has been the support of rational communication. The source of this goal lies in our understanding of mathem...
Frithjof Dau, Julia Klinger
CCS
2007
ACM
14 years 2 months ago
A simple and expressive semantic framework for policy composition in access control
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
Glenn Bruns, Daniel S. Dantas, Michael Huth
TLDI
2005
ACM
102views Formal Methods» more  TLDI 2005»
14 years 1 months ago
An open and shut typecase
Two different ways of defining ad-hoc polymorphic operations commonly occur in programming languages. With the first form polymorphic operations are defined inductively on the...
Dimitrios Vytiniotis, Geoffrey Washburn, Stephanie...