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Makoto Iwayama

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Advanced Research Laboratory, Hitachi, Ltd.

Test Collections for Patent-to-Patent Retrieval and Patent Map Generation in NTCIR-4 Workshop

Apr 10, 2004
Atsushi Fujii, Makoto Iwayama, Noriko Kando

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Topic Graph Generation for Query Navigation: Use of Frequency Classes for Topic Extraction

Dec 12, 1997
Yoshiki Niwa, Shingo Nishioka, Makoto Iwayama, Akihiko Takano, Yoshihiko Nitta

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