专利发明等级分类建模技术研究*
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翟东升, 胡等金, 张杰, 何喜军, 刘鹤
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Hierarchical Classification Model for Invention Patents
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Zhai Dongsheng,Hu Dengjin,Zhang Jie,He Xijun,Liu He
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表5 权利要求书关键词的来源分布 |
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专利号 | 权利要求书_已有 技术_关键词 | 权利要求书_ 同小类_关键词 | 权利要求书_ 同大类_关键词 | 权利要求书_ 其他_关键词 | US20020184373A1 | 0.202702703 | 0.027027 | 0 | 0 | US20020161579A1 | 0.239130435 | 0 | 0 | 0.021739 | US20010041980A1 | 0.246153846 | 0.015385 | 0 | 0 | US20040049388A1 | 0.042857143 | 0.007143 | 0 | 0 | US20050143989A1 | 0.141176471 | 0 | 0 | 0 | US20060200348A1 | 0.193548387 | 0 | 0 | 0 | US20060265225A1 | 0.41025641 | 0 | 0 | 0 | US20060293899A1 | 0.212121212 | 0.015152 | 0 | 0 | US6205425B1 | 0.257142857 | 0.028571 | 0 | 0 | US20030055642A1 | 0.347826087 | 0 | 0 | 0 |
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