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    EMNLP
    2009
    122views Natural Language Processing» more  EMNLP 2009»
    A Comparison of Windowless and Window-Based Computational Association Measures as Predictors of Syntagmatic Human Associations
    13 years 6 months ago
    A Comparison of Windowless and Window-Based Computational Association Measures as Predictors of Syntagmatic Human Associations
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    Distance-based (windowless) word assocation measures have only very recently appeared in the NLP literature and their performance compared to existing windowed or frequency-based ...
    Justin Washtell, Katja Markert
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    EMNLP
    2009
    139views Natural Language Processing» more  EMNLP 2009»
    Unsupervised Semantic Parsing
    13 years 6 months ago
    Unsupervised Semantic Parsing
    Download  www.cs.washington.edu
    We present the first unsupervised approach to the problem of learning a semantic parser, using Markov logic. Our USP system transforms dependency trees into quasi-logical forms, r...
    Hoifung Poon, Pedro Domingos
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    EMNLP
    2009
    104views Natural Language Processing» more  EMNLP 2009»
    Unsupervised morphological segmentation and clustering with document boundaries
    13 years 6 months ago
    Unsupervised morphological segmentation and clustering with document boundaries
    Download  www.aclweb.org
    Many approaches to unsupervised morphology acquisition incorporate the frequency of character sequences with respect to each other to identify word stems and affixes. This typical...
    Taesun Moon, Katrin Erk, Jason Baldridge
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    EMNLP
    2009
    130views Natural Language Processing» more  EMNLP 2009»
    Clustering to Find Exemplar Terms for Keyphrase Extraction
    13 years 6 months ago
    Clustering to Find Exemplar Terms for Keyphrase Extraction
    Download  nlp.csai.tsinghua.edu.cn
    Keyphrases are widely used as a brief summary of documents. Since manual assignment is time-consuming, various unsupervised ranking methods based on importance scores are proposed...
    Zhiyuan Liu, Peng Li, Yabin Zheng, Maosong Sun
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    EMNLP
    2009
    156views Natural Language Processing» more  EMNLP 2009»
    Subjectivity Word Sense Disambiguation
    13 years 6 months ago
    Subjectivity Word Sense Disambiguation
    Download  www.cs.pitt.edu
    This paper investigates a new task, subjectivity word sense disambiguation (SWSD), which is to automatically determine which word instances in a corpus are being used with subject...
    Cem Akkaya, Janyce Wiebe, Rada Mihalcea
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    EMNLP
    2009
    99views Natural Language Processing» more  EMNLP 2009»
    A Unified Model of Phrasal and Sentential Evidence for Information Extraction
    13 years 6 months ago
    A Unified Model of Phrasal and Sentential Evidence for Information Extraction
    Download  www.cs.utah.edu
    Information Extraction (IE) systems that extract role fillers for events typically look at the local context surrounding a phrase when deciding whether to extract it. Often, howev...
    Siddharth Patwardhan, Ellen Riloff
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    EMNLP
    2009
    132views Natural Language Processing» more  EMNLP 2009»
    Investigation of Question Classifier in Question Answering
    13 years 6 months ago
    Investigation of Question Classifier in Question Answering
    Download  www.aclweb.org
    In this paper, we investigate how an accurate question classifier contributes to a question answering system. We first present a Maximum Entropy (ME) based question classifier whi...
    Zhiheng Huang, Marcus Thint, Asli Çelikyilm...
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    EMNLP
    2009
    177views Natural Language Processing» more  EMNLP 2009»
    Predicting Subjectivity in Multimodal Conversations
    13 years 6 months ago
    Predicting Subjectivity in Multimodal Conversations
    Download  www.aclweb.org
    In this research we aim to detect subjective sentences in multimodal conversations. We introduce a novel technique wherein subjective patterns are learned from both labeled and un...
    Gabriel Murray, Giuseppe Carenini
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    EMNLP
    2009
    144views Natural Language Processing» more  EMNLP 2009»
    Statistical Bistratal Dependency Parsing
    13 years 6 months ago
    Statistical Bistratal Dependency Parsing
    Download  www.aclweb.org
    We present an inexact search algorithm for the problem of predicting a two-layered dependency graph. The algorithm is based on a k-best version of the standard cubictime search al...
    Richard Johansson
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    EMNLP
    2009
    140views Natural Language Processing» more  EMNLP 2009»
    Convolution Kernels on Constituent, Dependency and Sequential Structures for Relation Extraction
    13 years 6 months ago
    Convolution Kernels on Constituent, Dependency and Sequential Structures for Relation Extraction
    Download  www.aclweb.org
    This paper explores the use of innovative kernels based on syntactic and semantic structures for a target relation extraction task. Syntax is derived from constituent and dependen...
    Truc-Vien T. Nguyen, Alessandro Moschitti, Giusepp...
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