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中文摘要：
将多种平滑算法应用于基于二元语法的中文分词，在1998年1月人民日报语料库的基础上，讨论了困惑度和实际分词性能之间的关系，对比分析各平滑算法的实际性能，结果表明，简单的加值平滑算法性能最优，封闭精度、召回率分别为99．68％、99．7％，开放精度、召回率为98．64％、98．74％。
英文摘要：
This paper discusses the relationships between complexity and real performance based on the corpus of People＇s Daily of January ,1998 , compares the performance of multiple smoothing algorithms.The result reveals that additive smoothing is the best with 99.68% on precision,99.7% on recall in close test,and 98.64% on precision,98.74% on recall in open test.
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