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ECSQARU
2003
Springer
14 years 2 months ago
On Iterated Revision in the AGM Framework
While AGM belief revision identifies belief states with sets of formulas, proposals for iterated revision are usually based on more complex belief states. In this paper we investi...
Andreas Herzig, Sébastien Konieczny, Lauren...
SIGMOD
2002
ACM
141views Database» more  SIGMOD 2002»
13 years 8 months ago
Bringing Order to Query Optimization
A variety of developments combine to highlight the need for respecting order when manipulating relations. For example, new functionality is being added to SQL to support OLAP-styl...
Giedrius Slivinskas, Christian S. Jensen, Richard ...
ECIR
2006
Springer
13 years 10 months ago
A User-Item Relevance Model for Log-Based Collaborative Filtering
Abstract. Implicit acquisition of user preferences makes log-based collaborative filtering favorable in practice to accomplish recommendations. In this paper, we follow a formal ap...
Jun Wang, Arjen P. de Vries, Marcel J. T. Reinders
NOMS
2008
IEEE
14 years 3 months ago
Dynamic inter-organizational cooperation setup in Circle-of-Trust environments
—The need for collaborative service provisioning across different providers’ domains is being addressed by Circles of Trust (CoT), whose members adhere to the same policies and...
Latifa Boursas, Vitalian A. Danciu
AIMS
2008
Springer
14 years 3 months ago
Cooperation under Scarcity: The Sharer's Dilemma
Abstract. Many researchers have used game theory to study the problem of encouraging cooperation in peer-to-peer and mobile ad hoc networks, where resources are provided collective...
Michael Rogers, Saleem Bhatti