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» On Conditional Branches in Optimal Search Trees
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SODA
2008
ACM
143views Algorithms» more  SODA 2008»
14 years 11 months ago
Dynamic optimality for skip lists and B-trees
Sleator and Tarjan [39] conjectured that splay trees are dynamically optimal binary search trees (BST). In this context, we study the skip list data structure introduced by Pugh [...
Prosenjit Bose, Karim Douïeb, Stefan Langerma...
ICML
2004
IEEE
15 years 10 months ago
Training conditional random fields via gradient tree boosting
Conditional Random Fields (CRFs; Lafferty, McCallum, & Pereira, 2001) provide a flexible and powerful model for learning to assign labels to elements of sequences in such appl...
Thomas G. Dietterich, Adam Ashenfelter, Yaroslav B...
MSV
2004
14 years 11 months ago
S(b)-Trees: An Optimal Balancing of Variable Length Keys
The paper studies the problem of maintaining external dynamic dictionaries with variable length keys. We introduce a new type of balanced trees, called S(b)-trees, which generaliz...
Konstantin V. Shvachko
104
Voted
CORR
2007
Springer
106views Education» more  CORR 2007»
14 years 9 months ago
Bandit Algorithms for Tree Search
Bandit based methods for tree search have recently gained popularity when applied to huge trees, e.g. in the game of go [6]. Their efficient exploration of the tree enables to ret...
Pierre-Arnaud Coquelin, Rémi Munos
ENTCS
2008
150views more  ENTCS 2008»
14 years 9 months ago
Analyzing Security Scenarios Using Defence Trees and Answer Set Programming
Defence trees are used to represent attack and defence strategies in security scenarios; the aim in such scenarios is to select the best set of countermeasures that are able to st...
Stefano Bistarelli, Pamela Peretti, Irina Trubitsy...