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Linear Interpolated Methods in Statistical Natural Language Processing
Author(s): 
Pages: 223-225,244
Year: Issue:  6
Journal: COMPUTER SCIENCE

Keyword:  统计语言模型数据稀疏问题平滑技术回退法线性插值法n-gram;
Abstract: 统计自然语言处理中,一个很复杂的问题是数据稀疏问题.主要有两种平滑方法解决:回退法和线性插值法.本文分析和比较了几种典型的线性插值方法,着重研究了它们所引发的词性聚类倾向.在此基础上,给出了2种改进的平滑方法.实验表明,改进的方法比原来的方法有更出色的平滑效果.
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