This text systematically introduces the definition of CRFs, structure of the CRFs model, feature functions, parameter estimate and training methods.
本文系统的介绍了条件随机场的定义、模型结构、特征函数、参数估计及其训练方法等。
A method to build up product feature model by integration of feature recognition and the definition of interact feature is put forward, and using STEP files to realize feature recognition and mapping.
提出通过特征识别和特征交互定义相结合的方法来实现产品特征建模，并给出了基于STEP中性文件来实现特征识别和特征映射的方法。
After class definition, feature extraction, data annotation, model training and experimenting, the output proves that acceptable performance of answer extraction could be reached.
通过类型定义、特征表示、数据标注、模型训练、实验验证等一系列过程，最终的结果表明能够对论坛数据实现高性能的答案抽取。
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