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    ACL
    2008
    134views Computational Linguistics» more  ACL 2008»
    Sentence Simplification for Semantic Role Labeling
    13 years 6 months ago
    Sentence Simplification for Semantic Role Labeling
    Download  www.stanford.edu
    Parse-tree paths are commonly used to incorporate information from syntactic parses into NLP systems. These systems typically treat the paths as atomic (or nearly atomic) features...
    David Vickrey, Daphne Koller
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    ACL
    2008
    98views Computational Linguistics» more  ACL 2008»
    Regular Tree Grammars as a Formalism for Scope Underspecification
    13 years 6 months ago
    Regular Tree Grammars as a Formalism for Scope Underspecification
    Download  aclweb.org
    We propose the use of regular tree grammars (RTGs) as a formalism for the underspecified processing of scope ambiguities. By applying standard results on RTGs, we obtain a novel a...
    Alexander Koller, Michaela Regneri, Stefan Thater
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    ACL
    2008
    154views Computational Linguistics» more  ACL 2008»
    Soft Syntactic Constraints for Hierarchical Phrased-Based Translation
    13 years 6 months ago
    Soft Syntactic Constraints for Hierarchical Phrased-Based Translation
    Download  www.aclweb.org
    In adding syntax to statistical MT, there is a tradeoff between taking advantage of linguistic analysis, versus allowing the model to exploit linguistically unmotivated mappings l...
    Yuval Marton, Philip Resnik
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    ACL
    2008
    140views Computational Linguistics» more  ACL 2008»
    MAXSIM: A Maximum Similarity Metric for Machine Translation Evaluation
    13 years 6 months ago
    MAXSIM: A Maximum Similarity Metric for Machine Translation Evaluation
    Download  www.aclweb.org
    We propose an automatic machine translation (MT) evaluation metric that calculates a similarity score (based on precision and recall) of a pair of sentences. Unlike most metrics, ...
    Yee Seng Chan, Hwee Tou Ng
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    ACL
    2008
    96views Computational Linguistics» more  ACL 2008»
    Word Clustering and Word Selection Based Feature Reduction for MaxEnt Based Hindi NER
    13 years 6 months ago
    Word Clustering and Word Selection Based Feature Reduction for MaxEnt Based Hindi NER
    Download  www.aclweb.org
    Statistical machine learning methods are employed to train a Named Entity Recognizer from annotated data. Methods like Maximum Entropy and Conditional Random Fields make use of fe...
    Sujan Kumar Saha, Pabitra Mitra, Sudeshna Sarkar
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    ACL
    2008
    106views Computational Linguistics» more  ACL 2008»
    Learning Bigrams from Unigrams
    13 years 6 months ago
    Learning Bigrams from Unigrams
    Download  aclweb.org
    Traditional wisdom holds that once documents are turned into bag-of-words (unigram count) vectors, word orders are completely lost. We introduce an approach that, perhaps surprisi...
    Xiaojin Zhu, Andrew B. Goldberg, Michael Rabbat, R...
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    ACL
    2008
    140views Computational Linguistics» more  ACL 2008»
    The Tradeoffs Between Open and Traditional Relation Extraction
    13 years 6 months ago
    The Tradeoffs Between Open and Traditional Relation Extraction
    Download  turing.cs.washington.edu
    Traditional Information Extraction (IE) takes a relation name and hand-tagged examples of that relation as input. Open IE is a relationindependent extraction paradigm that is tail...
    Michele Banko, Oren Etzioni
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    ACL
    2008
    106views Computational Linguistics» more  ACL 2008»
    Searching Questions by Identifying Question Topic and Question Focus
    13 years 6 months ago
    Searching Questions by Identifying Question Topic and Question Focus
    Download  aclweb.org
    This paper is concerned with the problem of question search. In question search, given a question as query, we are to return questions semantically equivalent or close to the quer...
    Huizhong Duan, Yunbo Cao, Chin-Yew Lin, Yong Yu
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    ACL
    2008
    133views Computational Linguistics» more  ACL 2008»
    Assessing Dialog System User Simulation Evaluation Measures Using Human Judges
    13 years 6 months ago
    Assessing Dialog System User Simulation Evaluation Measures Using Human Judges
    Download  www.aclweb.org
    Previous studies evaluate simulated dialog corpora using evaluation measures which can be automatically extracted from the dialog systems' logs. However, the validity of thes...
    Hua Ai, Diane J. Litman
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    ACL
    2008
    101views Computational Linguistics» more  ACL 2008»
    Unsupervised Multilingual Learning for Morphological Segmentation
    13 years 6 months ago
    Unsupervised Multilingual Learning for Morphological Segmentation
    Download  people.csail.mit.edu
    For centuries, the deep connection between languages has brought about major discoveries about human communication. In this paper we investigate how this powerful source of inform...
    Benjamin Snyder, Regina Barzilay
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