A Method for Reinforcing Noun Countability Prediction

Ryo NAGATA  Atsuo KAWAI  Koichiro MORIHIRO  Naoki ISU  

IEICE TRANSACTIONS on Information and Systems   Vol.E90-D   No.12   pp.2077-2086
Publication Date: 2007/12/01
Online ISSN: 1745-1361
DOI: 10.1093/ietisy/e90-d.12.2077
Print ISSN: 0916-8532
Type of Manuscript: PAPER
Category: Natural Language Processing
countability,  countable,  uncountable,  one countability per discourse,  machine translation,  article errors,  

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This paper proposes a method for reinforcing noun countability prediction, which plays a crucial role in demarcating correct determiners in machine translation and error detection. The proposed method reinforces countability prediction by introducing a novel heuristics called one countability per discourse. It claims that when a noun appears more than once in a discourse, all instances will share identical countability. The basic idea of the proposed method is that mispredictions can be corrected by efficiently using one countability per discourse heuristics. Experiments show that the proposed method successfully reinforces countability prediction and outperforms other methods used for comparison. In addition to its performance, it has two advantages over earlier methods: (i) it is applicable to any countability prediction method, and (ii) it requires no human intervention to reinforce countability prediction.