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]

Abstract

Abstract is missing.