Improve example-based machine translation quality for low-resource language using ontology

被引：1
|
作者：
Khan Md Anwarus K.M.A. [1 ]
Yamada S. [2 ]
Tetsuro N. [3 ]
机构：
[1] IBM Research Tokyo, 19-21 Nihonbashi, Hakozaki-cho, Chuo-ku, Tokyo
[2] NTT Corporation, NTT Hibiya Building, 1-1-6 Uchisaiwai-cho, Chiyoda-ku, Tokyo
[3] University of Electro-Communications, Graduate School of Informatics and Engineering, 1-5-1 Chofugaoka, Chofu, Tokyo
来源：
International Journal of Networked and Distributed Computing | 2017年 / 5卷 / 3期
关键词：
Example-based machine translation; Knowledge engineering; WordNet;
D O I：
10.2991/ijndc.2017.5.3.6
中图分类号：
学科分类号：
摘要：
In this research we propose to use ontology to improve the performance of an EBMT system for low-resource language pair. The EBMT architecture use chunk-string templates (CSTs) and unknown word translation mechanism. CSTs consist of a chunk in source-language, a string in target-language, and word alignment in-formation. For unknown word translation, we used WordNet hypernym tree and English-Bengali dictionary. CSTs improved the wide-coverage by 57 points and quality by 48.81 points in human evaluation. Currently 64.29% of the test-set translations by the system were acceptable. The combined solutions of CSTs and unknown words generated 67.85% acceptable translations from the test-set. Un-known words mechanism improved translation quality by 3.56 points in human evaluation. Copyright © 2017, the Authors.
引用
收藏
页码：176 / 191
页数：15
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