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    ACL
    2009
    112views Computational Linguistics» more  ACL 2009»
    K-Best A* Parsing
    13 years 3 months ago
    K-Best A* Parsing
    Download  www.eecs.berkeley.edu
    A parsing makes 1-best search efficient by suppressing unlikely 1-best items. Existing kbest extraction methods can efficiently search for top derivations, but only after an exhau...
    Adam Pauls, Dan Klein
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    ACL
    2009
    130views Computational Linguistics» more  ACL 2009»
    Unsupervised Learning of Narrative Schemas and their Participants
    13 years 3 months ago
    Unsupervised Learning of Narrative Schemas and their Participants
    Download  cs.stanford.edu
    We describe an unsupervised system for learning narrative schemas, coherent sequences or sets of events (arrested(POLICE,SUSPECT), convicted( JUDGE, SUSPECT)) whose arguments are ...
    Nathanael Chambers, Dan Jurafsky
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    ACL
    2009
    96views Computational Linguistics» more  ACL 2009»
    Word or Phrase? Learning Which Unit to Stress for Information Retrieval
    13 years 3 months ago
    Word or Phrase? Learning Which Unit to Stress for Information Retrieval
    Download  www.aclweb.org
    The use of phrases in retrieval models has been proven to be helpful in the literature, but no particular research addresses the problem of discriminating phrases that are likely ...
    Young-In Song, Jung-Tae Lee, Hae-Chang Rim
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    ACL
    2009
    104views Computational Linguistics» more  ACL 2009»
    Capturing Salience with a Trainable Cache Model for Zero-anaphora Resolution
    13 years 3 months ago
    Capturing Salience with a Trainable Cache Model for Zero-anaphora Resolution
    Download  www.cl.cs.titech.ac.jp
    This paper explores how to apply the notion of caching introduced by Walker (1996) to the task of zero-anaphora resolution. We propose a machine learning-based implementation of a...
    Ryu Iida, Kentaro Inui, Yuji Matsumoto
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    ACL
    2009
    109views Computational Linguistics» more  ACL 2009»
    DEPEVAL(summ): Dependency-based Evaluation for Automatic Summaries
    13 years 3 months ago
    DEPEVAL(summ): Dependency-based Evaluation for Automatic Summaries
    Download  www.aclweb.org
    This paper presents DEPEVAL(summ), a dependency-based metric for automatic evaluation of summaries. Using a reranking parser and a Lexical-Functional Grammar (LFG) annotation, we ...
    Karolina Owczarzak
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    ACL
    2009
    129views Computational Linguistics» more  ACL 2009»
    Exploiting Bilingual Information to Improve Web Search
    13 years 3 months ago
    Exploiting Bilingual Information to Improve Web Search
    Download  john.blitzer.com
    Web search quality can vary widely across languages, even for the same information need. We propose to exploit this variation in quality by learning a ranking function on bilingua...
    Wei Gao, John Blitzer, Ming Zhou, Kam-Fai Wong
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    ACL
    2009
    120views Computational Linguistics» more  ACL 2009»
    Learning Context-Dependent Mappings from Sentences to Logical Form
    13 years 3 months ago
    Learning Context-Dependent Mappings from Sentences to Logical Form
    Download  people.csail.mit.edu
    We consider the problem of learning context-dependent mappings from sentences to logical form. The training examples are sequences of sentences annotated with lambda-calculus mean...
    Luke S. Zettlemoyer, Michael Collins
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    ACL
    2009
    110views Computational Linguistics» more  ACL 2009»
    Incremental HMM Alignment for MT System Combination
    13 years 3 months ago
    Incremental HMM Alignment for MT System Combination
    Download  research.microsoft.com
    Inspired by the incremental TER alignment, we re-designed the Indirect HMM (IHMM) alignment, which is one of the best hypothesis alignment methods for conventional MT system combi...
    Chi-Ho Li, Xiaodong He, Yupeng Liu, Ning Xi
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    ACL
    2009
    125views Computational Linguistics» more  ACL 2009»
    Bayesian Unsupervised Word Segmentation with Nested Pitman-Yor Language Modeling
    13 years 3 months ago
    Bayesian Unsupervised Word Segmentation with Nested Pitman-Yor Language Modeling
    Download  chasen.org
    In this paper, we propose a new Bayesian model for fully unsupervised word segmentation and an efficient blocked Gibbs sampler combined with dynamic programming for inference. Our...
    Daichi Mochihashi, Takeshi Yamada, Naonori Ueda
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    ACL
    2009
    110views Computational Linguistics» more  ACL 2009»
    The Chinese Aspect Generation Based on Aspect Selection Functions
    13 years 3 months ago
    The Chinese Aspect Generation Based on Aspect Selection Functions
    Download  www.aclweb.org
    This paper describes our system for generating Chinese aspect expressions. In the system, the semantics of different aspects is characterized by specific temporal and conceptual f...
    Guowen Yang, John A. Bateman
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