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entity_words_identification

CRF++实现实体词识别 标注规则:产品词P(实体词,都是名词)/类目词C/品牌词B/地址L/性别S/材料词M/款式词ST/效果E 数据清洗:人工与规则结合

crf++可以横向添加左右熵,长度等特征,可以提升效果,目前没有添加。

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应用crf++,进行电商命名实体识别

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