2 papers
cs.CL2004
Test Collections for Patent-to-Patent Retrieval and Patent Map Generation in NTCIR-4 Workshop
Atsushi Fujii, Makoto Iwayama, Noriko Kando
This paper describes the Patent Retrieval Task in the Fourth NTCIR Workshop, and the test collections produced in this task. We perform the invalidity search task, in which each pa…
cmp-lg1997
Topic Graph Generation for Query Navigation: Use of Frequency Classes for Topic Extraction
Yoshiki Niwa, Shingo Nishioka, Makoto Iwayama +2
To make an interactive guidance mechanism for document retrieval systems, we developed a user-interface which presents users the visualized map of topics at each stage of retrieval…