The Effect of Semi-supervised Learning on Parsing Long Distance Dependencies in German and Swedish

被引:0
作者
Sogaard, Anders [1 ]
Rishoj, Christian [1 ]
机构
[1] Univ Copenhagen, Ctr Language Technol, DK-2300 Copenhagen S, Denmark
来源
ADVANCES IN NATURAL LANGUAGE PROCESSING | 2010年 / 6233卷
关键词
dependency parsing; semi-supervised learning; long distance dependencies;
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
This paper shows how the best data-driven dependency parsers available today [1] can be improved by learning from unlabeled data. We focus on German and Swedish and show that labeled attachment scores improve by 1.5%-2.5%. Error analysis shows that improvements are primarily due to better recovery of long distance dependencies.
引用
收藏
页码:406 / 417
页数:12
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