... 应答设备 answering equipment 应答撷取 answering extraction 应答频率 answering frequency ...
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Information retrieval: search algorithms, information extraction, question answering, cross-lingual retrieval and multimedia retrieval.
信息获取：搜索算法、信息抽取、自动应答、跨语言获取、多媒体获取。
Then we employ Bayesian classifier to classify these questions. Answer extraction is the most crucial part for question answering system.
本文采用贝叶斯分类器，提取问句主干以及包含疑问词的分支作为特征进行问题分类。
Candidate answer sentence extraction is an important part of answer extraction, which directly effects question answering system's performance.
候选答案句抽取是问答系统中答案抽取的重要组成部分，其质量直接影响问答系统的性能。
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