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» A Logical Language for Expressing Authorizations
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IJCAI
2003
15 years 7 months ago
Aggregate Functions in Disjunctive Logic Programming: Semantics, Complexity, and Implementation in DLV
Disjunctive Logic Programming (DLP) is a very expressive formalism: it allows to express every property of finite structures that is decidable in the complexity class ¡£¢¤ (...
Tina Dell'Armi, Wolfgang Faber, Giuseppe Ielpa, Ni...
JCS
2006
118views more  JCS 2006»
15 years 6 months ago
Language based policy analysis in a SPKI Trust Management System
Abstract-- SPKI/SDSI is a standard for issuing authorization and name certificates. SPKI/SDSI can be used to implement a Trust Management System, where the policy for resource acce...
Arun K. Eamani, A. Prasad Sistla
PODS
2008
ACM
143views Database» more  PODS 2008»
16 years 6 months ago
XPath, transitive closure logic, and nested tree walking automata
We consider the navigational core of XPath, extended with two operators: the Kleene star for taking the transitive closure of path expressions, and a subtree relativisation operat...
Balder ten Cate, Luc Segoufin
CCS
2009
ACM
16 years 6 months ago
D-algebra for composing access control policy decisions
This paper proposes a D-algebra to compose decisions from multiple access control policies. Compared to other algebrabased approaches aimed at policy composition, D-algebra is the...
Qun Ni, Elisa Bertino, Jorge Lobo
SEBD
2003
159views Database» more  SEBD 2003»
15 years 7 months ago
Spatial Tree Logics to reason about Semistructured Data
The Ambient Logic is a modal logic proposed to describe the structural and computational properties of distributed and mobile computations. The static part of the Ambient Logic is,...
Giovanni Conforti, Giorgio Ghelli