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LICS
2003
IEEE
15 years 11 months ago
Logic in Access Control
Access control is central to security in computer systems. Over the years, there have been many efforts to explain and to improve access control, sometimes with logical ideas and ...
Martín Abadi
POPL
2007
ACM
16 years 6 months ago
Context logic as modal logic: completeness and parametric inexpressivity
Separation Logic, Ambient Logic and Context Logic are based on a similar style of reasoning about structured data. They each consist of a structural (separating) composition for r...
Cristiano Calcagno, Philippa Gardner, Uri Zarfaty
CIE
2009
Springer
16 years 1 months ago
Complexity of Existential Positive First-Order Logic
Let Γ be a (not necessarily finite) structure with a finite relational signature. We prove that deciding whether a given existential positive sentence holds in Γ is in LOGSPACE...
Manuel Bodirsky, Miki Hermann, Florian Richoux
SAT
2004
Springer
90views Hardware» more  SAT 2004»
15 years 11 months ago
Encoding Global Unobservability for Efficient Translation to SAT
The paper studies the use of global unobservability constraints in a CNF translation of Boolean formulas, where the unobservability of logic blocks is encoded with CNF unobservabil...
Miroslav N. Velev
CORR
2002
Springer
104views Education» more  CORR 2002»
15 years 6 months ago
Intelligent Search of Correlated Alarms for GSM Networks with Model-based Constraints
In order to control the process of data mining and focus on the things of interest to us, many kinds of constraints have been added into the algorithms of data mining. However, di...
Qingguo Zheng, Ke Xu, Weifeng Lv, Shilong Ma