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    SIGIR
    2006
    ACM
    198views Information Technology» more  SIGIR 2006»
    Answering complex questions with random walk models
    13 years 10 months ago
    Answering complex questions with random walk models
    Download  www.languagecomputer.com
    We present a novel framework for answering complex questions that relies on question decomposition. Complex questions are decomposed by a procedure that operates on a Markov chain...
    Sanda M. Harabagiu, V. Finley Lacatusu, Andrew Hic...
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    ACL
    2008
    133views Computational Linguistics» more  ACL 2008»
    Improving the Performance of the Random Walk Model for Answering Complex Questions
    13 years 6 months ago
    Improving the Performance of the Random Walk Model for Answering Complex Questions
    Download  www.aclweb.org
    Yllias Chali, Shafiq R. Joty
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    PAKDD
    2010
    ACM
    179views Data Mining» more  PAKDD 2010»
    Answer Diversification for Complex Question Answering on the Web
    13 years 9 months ago
    Answer Diversification for Complex Question Answering on the Web
    Download  www.ischool.drexel.edu
    We present a novel graph ranking model to extract a diverse set of answers for complex questions via random walks over a negative-edge graph. We assign a negative sign to edge weig...
    Palakorn Achananuparp, Xiaohua Hu, Tingting He, Ch...
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    ACL
    2009
    153views Computational Linguistics» more  ACL 2009»
    Answering Opinion Questions with Random Walks on Graphs
    13 years 2 months ago
    Answering Opinion Questions with Random Walks on Graphs
    Download  www.aclweb.org
    Opinion Question Answering (Opinion QA), which aims to find the authors' sentimental opinions on a specific target, is more challenging than traditional factbased question an...
    Fangtao Li, Yang Tang, Minlie Huang, Xiaoyan Zhu
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    ACL
    2009
    146views Computational Linguistics» more  ACL 2009»
    Do Automatic Annotation Techniques Have Any Impact on Supervised Complex Question Answering?
    13 years 2 months ago
    Do Automatic Annotation Techniques Have Any Impact on Supervised Complex Question Answering?
    Download  www.aclweb.org
    In this paper, we analyze the impact of different automatic annotation methods on the performance of supervised approaches to the complex question answering problem (defined in th...
    Yllias Chali, Sadid A. Hasan, Shafiq R. Joty
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