Improving Basic Natural Language Processing Tools for the Ainu Language

被引:3
作者
Nowakowski, Karol [1 ]
Ptaszynski, Michal [1 ]
Masui, Fumito [1 ]
Momouchi, Yoshio [2 ]
机构
[1] Kitami Inst Technol, Dept Comp Sci, 165 Koen Cho, Kitami, Hokkaido 0908507, Japan
[2] Hokkai Gakuen Univ, Fac Engn, Dept Elect & Informat Engn, Chuo Ku, 1-1,Nishi 11 Chome,Minami 26 Jo, Sapporo, Hokkaido 0640926, Japan
关键词
Ainu language; endangered languages; normalization; word segmentation; part-of-speech tagging;
D O I
10.3390/info10110329
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Ainu is a critically endangered language spoken by the native inhabitants of northern Japan. This paper describes our research aimed at the development of technology for automatic processing of text in Ainu. In particular, we improved the existing tools for normalizing old transcriptions, word segmentation, and part-of-speech tagging. In the experiments we applied two Ainu language dictionaries from different domains (literary and colloquial) and created a new data set by combining them. The experiments revealed that expanding the lexicon had a positive impact on the overall performance of our tools, especially with test data unrelated to any of the training sets used.
引用
收藏
页数:21
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