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    DCC
    2011
    IEEE
    234views Computer Graphics» more  DCC 2011»
    Tree Structure Compression with RePair
    13 years 5 months ago
    Tree Structure Compression with RePair
    Download  www.informatik.uni-leipzig.de
    Larsson and Moffat’s RePair algorithm is generalized from strings to trees. The new algorithm (TreeRePair) produces straight-line linear context-free tree (SLT) grammars which a...
    Markus Lohrey, Sebastian Maneth, Roy Mennicke
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    JMLR
    2010
    137views more  JMLR 2010»
    Covariance in Unsupervised Learning of Probabilistic Grammars
    13 years 5 months ago
    Covariance in Unsupervised Learning of Probabilistic Grammars
    Download  jmlr.csail.mit.edu
    Probabilistic grammars offer great flexibility in modeling discrete sequential data like natural language text. Their symbolic component is amenable to inspection by humans, while...
    Shay B. Cohen, Noah A. Smith
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    COMSIS
    2010
    182views Applied Computing» more  COMSIS 2010»
    VisualLISA: A visual environment to develop attribute grammars
    13 years 8 months ago
    VisualLISA: A visual environment to develop attribute grammars
    Download  www.comsis.org
    The focus of this paper is on crafting a new visual language for attribute grammars (AGs), and on the development of the associated programming environment. We present a solution f...
    Nuno Oliveira, Maria João Varanda Pereira, ...
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    COMSIS
    2010
    205views Applied Computing» more  COMSIS 2010»
    On automata and language based grammar metrics
    13 years 8 months ago
    On automata and language based grammar metrics
    Download  www.comsis.org
    Abstract. Grammar metrics have been introduced to measure the quality and the complexity of the formal grammars. The aim of this paper is to explore the meaning of these notions an...
    Matej Crepinsek, Tomaz Kosar, Marjan Mernik, Julie...
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    IEEECGIV
    2009
    IEEE
    186views Computer Graphics» more  IEEECGIV 2009»
    General Shape Grammar Interpreter for Intelligent Designs Generations
    13 years 8 months ago
    General Shape Grammar Interpreter for Intelligent Designs Generations
    Download  www.iiia.csic.es
    Shape grammars play an important role in a new generation of tools for the analysis and design of products. In this work we present a general tool named Shape Grammar Interpreter (...
    Tomas Trescak, Inmaculada Rodríguez, Marc E...
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    EMNLP
    2009
    114views Natural Language Processing» more  EMNLP 2009»
    Refining Grammars for Parsing with Hierarchical Semantic Knowledge
    13 years 8 months ago
    Refining Grammars for Parsing with Hierarchical Semantic Knowledge
    Download  www.aclweb.org
    This paper proposes a novel method to refine the grammars in parsing by utilizing semantic knowledge from HowNet. Based on the hierarchical state-split approach, which can refine ...
    Xiaojun Lin, Yang Fan, Meng Zhang, Xihong Wu, Huis...
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    ACL
    2009
    153views Computational Linguistics» more  ACL 2009»
    Bayesian Learning of a Tree Substitution Grammar
    13 years 8 months ago
    Bayesian Learning of a Tree Substitution Grammar
    Download  www.cs.rochester.edu
    Tree substitution grammars (TSGs) offer many advantages over context-free grammars (CFGs), but are hard to learn. Past approaches have resorted to heuristics. In this paper, we le...
    Matt Post, Daniel Gildea
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    NAACL
    2010
    130views Computational Linguistics» more  NAACL 2010»
    Products of Random Latent Variable Grammars
    13 years 8 months ago
    Products of Random Latent Variable Grammars
    Download  www.petrovi.de
    We show that the automatically induced latent variable grammars of Petrov et al. (2006) vary widely in their underlying representations, depending on their EM initialization point...
    Slav Petrov
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    EMNLP
    2010
    161views Natural Language Processing» more  EMNLP 2010»
    Hierarchical Phrase-Based Translation Grammars Extracted from Alignment Posterior Probabilities
    13 years 8 months ago
    Hierarchical Phrase-Based Translation Grammars Extracted from Alignment Posterior Probabilities
    Download  www.aclweb.org
    We report on investigations into hierarchical phrase-based translation grammars based on rules extracted from posterior distributions over alignments of the parallel text. Rather ...
    Adrià de Gispert, Juan Pino, William J. Byr...
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    ACL
    2010
    116views Computational Linguistics» more  ACL 2010»
    Hierarchical A* Parsing with Bridge Outside Scores
    13 years 8 months ago
    Hierarchical A* Parsing with Bridge Outside Scores
    Download  www.eecs.berkeley.edu
    Hierarchical A (HA) uses of a hierarchy of coarse grammars to speed up parsing without sacrificing optimality. HA prioritizes search in refined grammars using Viterbi outside cost...
    Adam Pauls, Dan Klein
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