Sciweavers

1121 search results - page 78 / 225
» Logics of Complementarity in Information Systems
Sort
View
MMMACNS
2005
Springer
14 years 2 months ago
A Modal Logic for Role-Based Access Control
Making correct access-control decisions is central to security, which in turn requires accounting correctly for the identity, credentials, roles, authority, and privileges of users...
Thumrongsak Kosiyatrakul, Susan Older, Shiu-Kai Ch...
ICTAI
2009
IEEE
14 years 3 months ago
Managing Authorization Provenance: A Modal Logic Based Approach
Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
Jinwei Hu, Yan Zhang, Ruixuan Li, Zhengding Lu
CAISE
2004
Springer
14 years 2 months ago
Network-based Business Process Management: a Discussion on Embedding Business Logic in Communications Networks
Advanced Business Process Management (BPM) tools enable the decomposition of previously integrated and often ill-defined processes into reusable process modules. These process modu...
Louis-François Pau, Peter H. M. Vervest
FUZZIEEE
2007
IEEE
14 years 24 days ago
A System for Querying with Qualitative Distances in Networks
A central role of Geographic Information Systems (GIS) is to allow the identification and visualisation of relevant spatial features from typically large volumes of data. This requ...
Carl P. L. Schultz, Hans W. Guesgen, Robert Amor
ADC
2004
Springer
109views Database» more  ADC 2004»
14 years 20 days ago
A Model of Dynamic Resource Allocation in Workflow Systems
Current collaborative work environments are characterized by dynamically changing organizational structures. Although there have been several efforts to refine work distribution, ...
Guido Governatori, Antonino Rotolo, Shazia Wasim S...