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» Destruction of Very Simple Trees
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RECOMB
2002
Springer
14 years 7 months ago
Probabilistic hierarchical clustering for biological data
Biological data, such as gene expression profiles or protein sequences, is often organized in a hierarchy of classes, where the instances assigned to "nearby" classes in...
Eran Segal, Daphne Koller
EUROCAST
2007
Springer
122views Hardware» more  EUROCAST 2007»
13 years 11 months ago
Generation of Indexes for Compiling Efficient Parsers from Formal Specifications
abstract Parsing schemata [4] provide a formal, simple and uniform way to describe, analyze and compare different parsing algorithms. The notion of a parsing schema comes from cons...
Carlos Gómez-Rodríguez, Miguel A. Al...
ACL
1998
13 years 8 months ago
Compacting the Penn Treebank Grammar
Treebanks, such as the Penn Treebank (PTB), offer a simple approach to obtaining a broad coverage grammar: one can simply read the grammar off the parse trees in the treebank. Whi...
Alexander Krotov, Mark Hepple, Robert J. Gaizauska...
TCS
1998
13 years 7 months ago
A Uniform Approach to Semi-Dynamic Problems on Digraphs
In this paper we propose a uniform approach to deal with incremental problems on digraphs and with decremental problems on dags generalizing a technique used by La Poutr´e and va...
Serafino Cicerone, Daniele Frigioni, Umberto Nanni...
COCOON
2006
Springer
13 years 11 months ago
Reconstructing Evolution of Natural Languages: Complexity and Parameterized Algorithms
In a recent article, Nakhleh, Ringe and Warnow introduced perfect phylogenetic networks--a model of language evolution where languages do not evolve via clean speciation--and form...
Iyad A. Kanj, Luay Nakhleh, Ge Xia