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» The Expressive Rate of Constraints
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IFIP
2010
Springer
15 years 1 months ago
Modular Plans for Secure Service Composition
Service Oriented Computing (SOC) is a programming paradigm aiming at characterising Service Networks. Services are entities waiting for clients requests and they often result from ...
Gabriele Costa, Pierpaolo Degano, Fabio Martinelli
DBPL
2001
Springer
115views Database» more  DBPL 2001»
15 years 11 months ago
Optimization Properties for Classes of Conjunctive Regular Path Queries
Abstract. We are interested in the theoretical foundations of the optimization of conjunctive regular path queries (CRPQs). The basic problem here is deciding query containment bot...
Alin Deutsch, Val Tannen
CSFW
2010
IEEE
15 years 10 months ago
Constraining Credential Usage in Logic-Based Access Control
—Authorization logics allow concise specification of flexible access-control policies, and are the basis for logic-based access-control systems. In such systems, resource owner...
Lujo Bauer, Limin Jia, Divya Sharma
SDB
1995
95views Database» more  SDB 1995»
15 years 10 months ago
Semantics of Database Transformations
Database transformations arise in many di erent settings including database integration, evolution of database systems, and implementing user views and data-entry tools. This paper...
Peter Buneman, Susan B. Davidson, Anthony Kosky
COGSCI
2004
63views more  COGSCI 2004»
15 years 6 months ago
Pragmatic effects on reference resolution in a collaborative task: evidence from eye movements
In order to investigate whether addressees can make immediate use of speaker-based constraints during reference resolution, participant addressees' eye movements were monitor...
Joy E. Hanna, Michael K. Tanenhaus