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SUM
2009
Springer
15 years 10 months ago
Weighted Description Logics Preference Formulas for Multiattribute Negotiation
We propose a framework to compute the utility of an agreement w.r.t. a preference set in a negotiation process. In particular, we refer to preferences expressed as weighted formula...
Azzurra Ragone, Tommaso Di Noia, Francesco M. Doni...
159
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GBRPR
2005
Springer
15 years 11 months ago
Approximating the Problem, not the Solution: An Alternative View of Point Set Matching
This work discusses the issue of approximation in point set matching problems. In general, one may have two classes of approximations when tackling a matching problem: a representa...
Tibério S. Caetano, Terry Caelli
STACS
2010
Springer
15 years 3 months ago
Improved Approximation Guarantees for Weighted Matching in the Semi-Streaming Model
ABSTRACT. We study the maximum weight matching problem in the semi-streaming model, and improve on the currently best one-pass algorithm due to Zelke (Proc. STACS '08, pages 6...
Leah Epstein, Asaf Levin, Julián Mestre, Da...
SIAMJO
2008
175views more  SIAMJO 2008»
15 years 5 months ago
On Bin Packing with Conflicts
Abstract. We consider the offline and online versions of a bin packing problem called bin packing with conflicts. Given a set of items V = {1, 2, . . . , n} with sizes s1, s2 . . ....
Leah Epstein, Asaf Levin
KDD
2009
ACM
298views Data Mining» more  KDD 2009»
16 years 9 days ago
Mind the gaps: weighting the unknown in large-scale one-class collaborative filtering
One-Class Collaborative Filtering (OCCF) is a task that naturally emerges in recommender system settings. Typical characteristics include: Only positive examples can be observed, ...
Rong Pan, Martin Scholz