基于依存关系嵌入与条件随机场的商品属性抽取方法*

李成梁,赵中英,李超,亓亮,温彦

Extracting Product Properties with Dependency Relationship Embedding and Conditional Random Field

Li Chengliang,Zhao Zhongying,Li Chao,Qi Liang,Wen Yan

表7 不同语义信息对属性抽取的示例

Table 7 An Example of Term Extraction with Different Semantic Information

属性类别 模型 属性词集 高频 CRF+基本 price/features/performance/OS/screen/operating system/USB ports/hard drive/speed CRF+结构 price/features/performance/OS/screen/operating system/USB ports/hard drive/speed/battery life/works CRF+类别 price/features/performance/OS/screen/operating system/USB ports/hard drive DepREm-CRF price/features/performance/OS/screen/operating system/USB ports/hard drive/speed/battery life/works/retina display 低频 CRF+基本 battery/Keyboard/itune/screen display/configure/components CRF+结构 battery/Keyboard/itune/screen display/configure/ components/Microsoft Windows/Microsoft Office CRF+类别 battery/Keyboard/itune/screen display DepREm-CRF battery/Keyboard/itune/screen display/configure/components/Microsoft Windows/Microsoft Office/aluminum casing/Screen resolution