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UAI
2001
13 years 11 months ago
UCP-Networks: A Directed Graphical Representation of Conditional Utilities
We propose a directed graphical representation of utility functions, called UCP-networks, that combines aspects of two existing preference models: generalized additive models and ...
Craig Boutilier, Fahiem Bacchus, Ronen I. Brafman
SIGIR
2008
ACM
13 years 9 months ago
Detecting synonyms in social tagging systems to improve content retrieval
Collaborative tagging used in online social content systems is naturally characterized by many synonyms, causing low precision retrieval. We propose a mechanism based on user pref...
Maarten Clements, Arjen P. de Vries, Marcel J. T. ...
IJON
2010
112views more  IJON 2010»
13 years 7 months ago
Efficient voting prediction for pairwise multilabel classification
The pairwise approach to multilabel classification reduces the problem to learning and aggregating preference predictions among the possible labels. A key problem is the need to qu...
Eneldo Loza Mencía, Sang-Hyeun Park, Johann...
HICSS
2002
IEEE
113views Biometrics» more  HICSS 2002»
14 years 2 months ago
Persona: A Contextualized and Personalized Web Search
Abstract— Recent advances in graph-based search techniques derived from Kleinberg’s work [1] have been impressive. This paper further improves the graph-based search algorithm ...
Francisco Tanudjaja, Lik Mu
EDBT
2009
ACM
277views Database» more  EDBT 2009»
14 years 2 months ago
G-hash: towards fast kernel-based similarity search in large graph databases
Structured data including sets, sequences, trees and graphs, pose significant challenges to fundamental aspects of data management such as efficient storage, indexing, and simila...
Xiaohong Wang, Aaron M. Smalter, Jun Huan, Gerald ...