Sciweavers

766 search results - page 19 / 154
» Commuting aggregation operators
Sort
View
LOPSTR
2009
Springer
14 years 2 months ago
LP with Flexible Grouping and Aggregates Using Modes
We propose a new grouping operator for logic programs based on the group_by operator of SQL. The novelty of our proposal lies in the use of modes, which allows us to relax some rat...
Marcin Czenko, Sandro Etalle
CIA
2008
Springer
13 years 9 months ago
A Formal Approach to Aggregated Belief Formation
Abstract. This paper introduces a formal method to aggregate over basic beliefs, in order to deduce aggregated or complex beliefs as often used in applications. Complex beliefs can...
Annerieke Heuvelink, Michel C. A. Klein, Jan Treur
DAGSTUHL
2007
13 years 9 months ago
Premise Independence in Judgment Aggregation
Judgment aggregation studies how agent opinions on logically interconnected propositions can be mapped into a collective judgment on the same propositions, and is plagued by impos...
Gabriella Pigozzi, Leendert van der Torre
ECIR
2006
Springer
13 years 9 months ago
Probabilistic Score Normalization for Rank Aggregation
Abstract. Rank aggregation is a pervading operation in IR technology. We hypothesize that the performance of score-based aggregation may be affected by artificial, usually meaningl...
Miriam Fernández, David Vallet, Pablo Caste...
COR
2008
112views more  COR 2008»
13 years 7 months ago
Bi-dynamic constraint aggregation and subproblem reduction
Dynamic constraint aggregation was recently introduced by Elhallaoui et al. [Dynamic aggregation of set partitioning constraints in column generation. Operations Research 2005; 53...
Issmail Elhallaoui, Guy Desaulniers, Abdelmoutalib...