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» A Theory of Role Composition
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ICWS
2008
IEEE
13 years 5 months ago
A Theory of Role Composition
We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...
Jeffrey Fischer, Rupak Majumdar
ICCS
1997
Springer
13 years 8 months ago
Applying Conceptual Graph Theory to the User-Driven Specification of Network Information Systems
Users need to be strongly involved in the specification process of network information systems. Characteristics of user-driven specification are described, and process composition ...
Aldo de Moor
SOCO
2007
Springer
13 years 10 months ago
Towards a Unifying Theory for Choreography Conformance and Contract Compliance
In the context of Service Oriented Computing, contracts are descriptions of the externally observable behaviour of services. Given a group of collaborating services, their contract...
Mario Bravetti, Gianluigi Zavattaro
IJCAI
2001
13 years 5 months ago
Decision Procedures for Expressive Description Logics with Intersection, Composition, Converse of Roles and Role Identity
In the quest for expressive description logics for real-world applications, a powerful combination of constructs has so far eluded practical decision procedures: intersection and ...
Fabio Massacci
DIGRA
2005
Springer
13 years 9 months ago
Role Theory: The Line Between Roles as Design and Socialization in EverQuest
For a player to enter the game-world of EverQuest, they must choose a character. Each character fulfills a particular, functional role within the game that defines the game-play e...
Kelly Boudreau