Sciweavers

316 search results - page 44 / 64
» Resource Combinatory Algebras
Sort
View
ACSW
2006
13 years 10 months ago
A method for access authorisation through delegation networks
Owners of systems and resources usually want to control who can access them. This must be based on having a process for authorising certain parties, combined with mechanisms for e...
Audun Jøsang, Dieter Gollmann, Richard Au
FUIN
2010
137views more  FUIN 2010»
13 years 5 months ago
Extending and Implementing RASP
In previous work we have proposed an extension to ASP (Answer Set Programming), called RASP, standing for ASP with Resources. RASP supports declarative reasoning on production and...
Stefania Costantini, Andrea Formisano, Davide Pett...
FOCS
2008
IEEE
14 years 2 months ago
Size Bounds and Query Plans for Relational Joins
Relational joins are at the core of relational algebra, which in turn is the core of the standard database query language SQL. As their evaluation is expensive and very often domi...
Albert Atserias, Martin Grohe, Dániel Marx
ALDT
2009
Springer
172views Algorithms» more  ALDT 2009»
14 years 3 months ago
On Multi-dimensional Envy-Free Mechanisms
Traditional performance analysis of approximation algorithms considers overall performance, while economic fairness analysis focuses on the individual performance each user receiv...
Ahuva Mu'alem
CSCLP
2007
Springer
14 years 2 months ago
Preference-Based Problem Solving for Constraint Programming
Abstract. Combinatorial problems such as scheduling, resource allocation, and configuration have many attributes that can be subject of user preferences. Traditional optimization ...
Ulrich Junker