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» A formal semantics for Gaia liveness rules and expressions
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CSFW
2004
IEEE
13 years 11 months ago
Cassandra: Flexible Trust Management, Applied to Electronic Health Records
We study the specification of access control policy in large-scale distributed systems. We present Cassandra, a language and system for expressing policy, and the results of a sub...
Moritz Y. Becker, Peter Sewell
LPNMR
2001
Springer
13 years 12 months ago
plp: A Generic Compiler for Ordered Logic Programs
Abstract This paper describes a generic compiler, called plp, for translating ordered logic programs into standard logic programs under the answer set semantics. In an ordered logi...
James P. Delgrande, Torsten Schaub, Hans Tompits
ICFP
2007
ACM
14 years 7 months ago
Ott: effective tool support for the working semanticist
It is rare to give a semantic definition of a full-scale programming language, despite the many potential benefits. Partly this is because the available metalanguages for expressi...
Peter Sewell, Francesco Zappa Nardelli, Scott Owen...
AI
2004
Springer
13 years 7 months ago
Order-sorted logic programming with predicate hierarchy
Order-sorted logic has been formalized as first-order logic with sorted terms where sorts are ordered to build a hierarchy (called a sort-hierarchy). These sorted logics lead to u...
Ken Kaneiwa
ADC
2003
Springer
139views Database» more  ADC 2003»
14 years 23 days ago
Deriving Relation Keys from XML Keys
Much work on XML data was around storage and querying and did not consider constraints of XML, especially keys. Since constraints have been proposed in many papers for XML, much r...
Qing Wang, Hongwei Wu, Jianchang Xiao, Aoying Zhou...