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    ACL
    2012
    205views Computational Linguistics» more  ACL 2012»
    Historical Analysis of Legal Opinions with a Sparse Mixed-Effects Latent Variable Model
    12 years 2 months ago
    Historical Analysis of Legal Opinions with a Sparse Mixed-Effects Latent Variable Model
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    We propose a latent variable model to enhance historical analysis of large corpora. This work extends prior work in topic modelling by incorporating metadata, and the interactions...
    William Yang Wang, Elijah Mayfield, Suresh Naidu, ...
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    ACL
    2012
    211views Computational Linguistics» more  ACL 2012»
    Enhancing Statistical Machine Translation with Character Alignment
    12 years 2 months ago
    Enhancing Statistical Machine Translation with Character Alignment
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    The dominant practice of statistical machine translation (SMT) uses the same Chinese word segmentation specification in both alignment and translation rule induction steps in buil...
    Ning Xi, Guangchao Tang, Xinyu Dai, Shujian Huang,...
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    ACL
    2012
    204views Computational Linguistics» more  ACL 2012»
    Cross-lingual Parse Disambiguation based on Semantic Correspondence
    12 years 2 months ago
    Cross-lingual Parse Disambiguation based on Semantic Correspondence
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    We present a system for cross-lingual parse disambiguation, exploiting the assumption that the meaning of a sentence remains unchanged during translation and the fact that differe...
    Lea Frermann, Francis Bond
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    ACL
    2012
    199views Computational Linguistics» more  ACL 2012»
    Reducing Wrong Labels in Distant Supervision for Relation Extraction
    12 years 2 months ago
    Reducing Wrong Labels in Distant Supervision for Relation Extraction
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    In relation extraction, distant supervision seeks to extract relations between entities from text by using a knowledge base, such as Freebase, as a source of supervision. When a s...
    Shingo Takamatsu, Issei Sato, Hiroshi Nakagawa
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    ACL
    2012
    178views Computational Linguistics» more  ACL 2012»
    Robust Conversion of CCG Derivations to Phrase Structure Trees
    12 years 2 months ago
    Robust Conversion of CCG Derivations to Phrase Structure Trees
    Download  aclweb.org
    We propose an improved, bottom-up method for converting CCG derivations into PTB-style phrase structure trees. In contrast with past work (Clark and Curran, 2009), which used simp...
    Jonathan K. Kummerfeld, Dan Klein, James R. Curran
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    ACL
    2012
    155views Computational Linguistics» more  ACL 2012»
    Exploiting Social Information in Grounded Language Learning via Grammatical Reduction
    12 years 2 months ago
    Exploiting Social Information in Grounded Language Learning via Grammatical Reduction
    Download  aclweb.org
    This paper uses an unsupervised model of grounded language acquisition to study the role that social cues play in language acquisition. The input to the model consists of (orthogr...
    Mark Johnson, Katherine Demuth, Michael C. Frank
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    ACL
    2012
    204views Computational Linguistics» more  ACL 2012»
    Event Linking: Grounding Event Reference in a News Archive
    12 years 2 months ago
    Event Linking: Grounding Event Reference in a News Archive
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    Interpreting news requires identifying its constituent events. Events are complex linguistically and ontologically, so disambiguating their reference is challenging. We introduce ...
    Joel Nothman, Matthew Honnibal, Ben Hachey, James ...
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    ACL
    2012
    197views Computational Linguistics» more  ACL 2012»
    Learning High-Level Planning from Text
    12 years 2 months ago
    Learning High-Level Planning from Text
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    Comprehending action preconditions and effects is an essential step in modeling the dynamics of the world. In this paper, we express the semantics of precondition relations extrac...
    S. R. K. Branavan, Nate Kushman, Tao Lei, Regina B...
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    ACL
    2012
    157views Computational Linguistics» more  ACL 2012»
    Unsupervised Morphology Rivals Supervised Morphology for Arabic MT
    12 years 2 months ago
    Unsupervised Morphology Rivals Supervised Morphology for Arabic MT
    Download  www.aclweb.org
    If unsupervised morphological analyzers could approach the effectiveness of supervised ones, they would be a very attractive choice for improving MT performance on low-resource in...
    David Stallard, Jacob Devlin, Michael Kayser, Yoon...
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    ACL
    2012
    192views Computational Linguistics» more  ACL 2012»
    Automatic Event Extraction with Structured Preference Modeling
    12 years 2 months ago
    Automatic Event Extraction with Structured Preference Modeling
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    This paper presents a novel sequence labeling model based on the latent-variable semiMarkov conditional random fields for jointly extracting argument roles of events from texts. ...
    Wei Lu, Dan Roth
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