Proposal of two-stage patent retrieval method considering the claim structure

Hisao Mase, Tadataka Matsubayashi, Yuichi Ogawa, Makoto Iwayama, Tadaaki Oshio. Proposal of two-stage patent retrieval method considering the claim structure. ACM Trans. Asian Lang. Inf. Process., 4(2):190-206, 2005. [doi]

Authors

Hisao Mase

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Tadataka Matsubayashi

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Yuichi Ogawa

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Makoto Iwayama

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Tadaaki Oshio

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