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CNSM
2010
13 years 8 months ago
Decomposition techniques for policy refinement
Abstract--The automation of policy refinement, whilst promising great benefits for policy-based management, has hitherto received relatively little treatment in the literature, wit...
Robert Craven, Jorge Lobo, Emil C. Lupu, Alessandr...
ENTCS
2008
75views more  ENTCS 2008»
13 years 11 months ago
On the Refinement of Atomic Actions
Inspired by the properties of the refinement development of the Mondex Electronic Purse, we view an atomic action as a family of transitions with a common before-state, and differ...
Richard Banach, Gerhard Schellhorn
ESORICS
2008
Springer
14 years 18 days ago
Compositional Refinement of Policies in UML - Exemplified for Access Control
The UML is the de facto standard for system specification, but offers little specialized support for the specification and analysis of policies. This paper presents Deontic STAIRS,...
Bjørnar Solhaug, Ketil Stølen
ACL
2009
13 years 8 months ago
The Impact of Query Refinement in the Web People Search Task
Searching for a person name in a Web Search Engine usually leads to a number of web pages that refer to several people sharing the same name. In this paper we study whether it is ...
Javier Artiles, Julio Gonzalo, Enrique Amigó...
DEXA
2006
Springer
151views Database» more  DEXA 2006»
14 years 24 days ago
An Incremental Refining Spatial Join Algorithm for Estimating Query Results in GIS
Geographic information systems (GIS) must support large georeferenced data sets. Due to the size of these data sets finding exact answers to spatial queries can be very time consum...
Wan D. Bae, Shayma Alkobaisi, Scott T. Leutenegger