Sciweavers

1171 search results - page 14 / 235
» A Logical Language for Expressing Authorizations
Sort
View
CODASPY
2011
14 years 3 months ago
Relationship-based access control: protection model and policy language
Social Network Systems pioneer a paradigm of access control that is distinct from traditional approaches to access control. Gates coined the term Relationship-Based Access Control...
Philip W. L. Fong
CONCUR
2004
Springer
15 years 5 months ago
Message-Passing Automata Are Expressively Equivalent to EMSO Logic
Abstract. We study the expressiveness of finite message-passing automata with a priori unbounded FIFO channels and show them to capture exactly the class of MSC languages that are...
Benedikt Bollig, Martin Leucker
LACL
2011
Springer
14 years 2 months ago
Using Logic in the Generation of Referring Expressions
The problem of generating referring expressions (GRE) is an important task in natural language generation. In this paper, we advocate for the use of logical languages in the output...
Carlos Areces, Santiago Figueira, Daniel Gor&iacut...
AMAI
2004
Springer
15 years 5 months ago
The Expressive Rate of Constraints
In reasoning tasks involving logical formulas, high expressiveness is desirable, although it often leads to high computational complexity. We study a simple measure of expressiven...
Hubie Chen
DLOG
2007
15 years 2 months ago
Expressive Querying over Fuzzy DL-Lite Ontologies
Abstract. Fuzzy Description Logics (f-DLs) have been proposed as formalisms capable of capturing and reasoning about imprecise and vague knowledge. The last years, research in Desc...
Jeff Z. Pan, Giorgos B. Stamou, Giorgos Stoilos, E...