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ESA
2006
Springer
139views Algorithms» more  ESA 2006»
13 years 11 months ago
Stochastic Shortest Paths Via Quasi-convex Maximization
Abstract. We consider the problem of finding shortest paths in a graph with independent randomly distributed edge lengths. Our goal is to maximize the probability that the path len...
Evdokia Nikolova, Jonathan A. Kelner, Matthew Bran...
UAI
2004
13 years 9 months ago
PAC-learning Bounded Tree-width Graphical Models
We show that the class of strongly connected graphical models with treewidth at most k can be properly efficiently PAC-learnt with respect to the Kullback-Leibler Divergence. Prev...
Mukund Narasimhan, Jeff A. Bilmes
JDWM
2010
180views more  JDWM 2010»
13 years 6 months ago
Investigating the Properties of a Social Bookmarking and Tagging Network
Social networks and collaborative tagging systems are rapidly gaining popularity as a primary means for storing and sharing data among friends, family, colleagues, or perfect stra...
Ralitsa Angelova, Marek Lipczak, Evangelos E. Mili...
SIGECOM
2005
ACM
117views ECommerce» more  SIGECOM 2005»
14 years 1 months ago
First-price path auctions
We study first-price auction mechanisms for auctioning flow between given nodes in a graph. A first-price auction is any auction in which links on winning paths are paid their ...
Nicole Immorlica, David R. Karger, Evdokia Nikolov...
ACTA
2006
104views more  ACTA 2006»
13 years 7 months ago
Safe projections of binary data sets
Abstract Selectivity estimation of a boolean query based on frequent itemsets can be solved by describing the problem by a linear program. However, the number of variables in the e...
Nikolaj Tatti