Using the Multi-level Classification Method in the Patent Mining Task at NTCIR-7.
作者： Huan-Yu Zhao , Dongfeng Cai , Duo Ji
DOI:
关键词: Classification methods 、 Technical information 、 Patent classification 、 Task (project management) 、 Patent mining 、 Information retrieval 、 Scientific development 、 Structure (mathematical logic) 、 Computer science 、 Data mining
摘要: A patent includes a great deal of practical technical information, and plays an important role in promoting scientific development. The research on classification retrieval has significant application value. is special text with strict hierarchical system normalized structure, there are number relations between patents their constituents. Based these relations, this paper proposes weight calculation method using the title, adopts to complete English Japanese tasks at NTCIR-7 mining. effectiveness proved by corresponding evaluation.
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