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ZUM
1997
Springer
125views Formal Methods» more  ZUM 1997»
14 years 1 months ago
A Formal OO Method Inspired by Fusion and Object-Z
We present a new formal OO method, called FOX, which is a synergetic combination of the semi-formal Fusion method and the formal specification language Object-Z. To manage complex...
Klaus Achatz, Wolfram Schulte
CSFW
2004
IEEE
14 years 23 days ago
The Consistency of Task-Based Authorization Constraints in Workflow Systems
Workflow management systems (WFMSs) have attracted a lot of interest both in academia and the business community. A workflow consists of a collection of tasks that are organized t...
Kaijun Tan, Jason Crampton, Carl A. Gunter
LOGCOM
2007
125views more  LOGCOM 2007»
13 years 9 months ago
Epistemic Actions as Resources
We provide algebraic semantics together with a sound and complete sequent calculus for information update due to epistemic actions. This semantics is flexible enough to accommoda...
Alexandru Baltag, Bob Coecke, Mehrnoosh Sadrzadeh
SBBD
2004
119views Database» more  SBBD 2004»
13 years 10 months ago
Computing the Dependency Basis for Nested List Attributes
Multi-valued dependencies (MVDs) are an important class of constraints that is fundamental for relational database design. Although modern applications increasingly require the su...
Sven Hartmann, Sebastian Link
POPL
2006
ACM
14 years 9 months ago
Decidability and proof systems for language-based noninterference relations
Noninterference is the basic semantical condition used to account for confidentiality and integrity-related properties in programming languages. There appears to be an at least im...
Mads Dam