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» A Formal Model of Multi-agent Computations
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ESORICS
2007
Springer
13 years 10 months ago
Satisfiability and Resiliency in Workflow Systems
We propose the role-and-relation-based access control (R2 BAC) model for workflow systems. In R2 BAC, in addition to a user's role memberships, the user's relationships w...
Qihua Wang, Ninghui Li
CCS
2008
ACM
13 years 8 months ago
Reducing protocol analysis with XOR to the XOR-free case in the horn theory based approach
In the Horn theory based approach for cryptographic protocol analysis, cryptographic protocols and (Dolev-Yao) intruders are modeled by Horn theories and security analysis boils d...
Ralf Küsters, Tomasz Truderung
DAGSTUHL
2007
13 years 8 months ago
Exploiting the ASM method within the Model-driven Engineering paradigm
act notation, so separating the abstract syntax and semantics of the language constructs from their different concrete notations. Although the foundation constituents of the MDE a...
Angelo Gargantini, Elvinia Riccobene, Patrizia Sca...
CIDR
2003
106views Algorithms» more  CIDR 2003»
13 years 8 months ago
Speculative Query Processing
Speculation is an every day phenomenon whereby one acts in anticipation of particular conditions that are likely to hold in the future. Computer science research has seen many suc...
Neoklis Polyzotis, Yannis E. Ioannidis
EFDBS
2003
13 years 8 months ago
Four-Level-Architecture for Closure in Interoperability
A definition of types in an information system is given from ld abstractions through data constructs, schema and definitions to physical data values. Category theory suggests tha...
B. Nick Rossiter, Michael A. Heather