Journal of Natural Language Processing
Online ISSN : 2185-8314
Print ISSN : 1340-7619
ISSN-L : 1340-7619
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Volume 20, Issue 1
Displaying 1-3 of 3 articles from this issue
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Preface
Paper
  • Structuring Opinions by Relative Characteristics for User-Opinion Aggregation
    Takashi Inui, Yuto Itaya, Mikio Yamamoto, Keiji Shinzato, Yu Hirate, K ...
    2013 Volume 20 Issue 1 Pages 3-25
    Published: March 15, 2013
    Released on J-STAGE: June 15, 2013
    DOIhttps://doi.org/10.5715/jnlp.20.3
    JOURNAL FREE ACCESS
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    We propose a scoring function for aspect ranking that facilitates user-opinion aggregation. The function uses the log-likelihood ratio to capture relative characteristics between opinions. Review documents contain many variant expressions because they are written by different web users. We also propose a re-ranking method that identifies variant expressions having the same meaning by using several clustering techniques. The experimental results indicate that the proposed scoring function and the re-ranking method are more effective than baseline methods.
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  • Database of Human Evaluations of Machine Translation Systems for Patent Translation
    Isao Goto, Bin Lu, Ka Po Chow, Eiichiro Sumita, Benjamin K. Tsou, Masa ...
    2013 Volume 20 Issue 1 Pages 27-57
    Published: March 15, 2013
    Released on J-STAGE: June 15, 2013
    DOIhttps://doi.org/10.5715/jnlp.20.27
    JOURNAL FREE ACCESS
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    This paper discusses a database of human evaluations of patent machine translation, from Chinese to English, Japanese to English, and English to Japanese. The evaluations were conducted for the NTCIR-9 Patent Machine Translation Task (PatentMT). Different types of systems, such as research systems and commercial systems, and rule-based systems and statistical machine translation systems were evaluated. Since human evaluation results are important when investigating automatic evaluation of translation quality, the database of the evaluation results is valuable. From the NTCIR project, resources including the human evaluation database, translation results, and test/reference data are available for research purposes.
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