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» Integrity constraints in trust management
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POLICY
2004
Springer
15 years 7 months ago
Cassandra: Distributed Access Control Policies with Tunable Expressiveness
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...
Moritz Y. Becker, Peter Sewell
AIM
2006
15 years 3 months ago
Virtual professional communities and their role for knowledge management
: Virtual professional communities provide an environment for professionals to share their knowledge and develop their skills without geographical constraints. Virtual professional...
Aurelie Dudezert, Harm Heibült, Imed Boughzal...
BPM
2006
Springer
182views Business» more  BPM 2006»
15 years 5 months ago
An Architecture for Proactive Timed Web Service Compositions
Web Services-based business processes spread over the boundaries of companies, requiring the integration of customers, suppliers and partners to achieve inter-organizational busine...
Johann Eder, Horst Pichler, Stefan Vielgut
SIGMOD
2004
ACM
150views Database» more  SIGMOD 2004»
16 years 2 months ago
Integrating Vertical and Horizontal Partitioning Into Automated Physical Database Design
In addition to indexes and materialized views, horizontal and vertical partitioning are important aspects of physical design in a relational database system that significantly imp...
Sanjay Agrawal, Vivek R. Narasayya, Beverly Yang
SIGMOD
2008
ACM
127views Database» more  SIGMOD 2008»
15 years 1 months ago
Minimization of tree pattern queries with constraints
Tree pattern queries (TPQs) provide a natural and easy formalism to query tree-structured XML data, and the efficient processing of such queries has attracted a lot of attention. ...
Ding Chen, Chee Yong Chan