Test Collections for Patent Retrieval and Patent Classification in the Fifth NTCIR Workshop Atsushi Fujii author Makoto Iwayama author Noriko Kando author 2006-05 text Proceedings of the Fifth International Conference on Language Resources and Evaluation (LREC’06) Nicoletta Calzolari editor Khalid Choukri editor Aldo Gangemi editor Bente Maegaard editor Joseph Mariani editor Jan Odijk editor Daniel Tapias editor European Language Resources Association (ELRA) Genoa, Italy conference publication fujii-etal-2006-test https://aclanthology.org/L06-1187/ 2006-05