The patent retrieval task in the fourth NTCIR workshop.

@inproceedings{fujii-2004-patent, author = {Atsushi Fujii and Makoto Iwayama and Noriko Kando}, editor = {Mark Sanderson and Kalervo J\"{a}rvelin and James Allan and Peter Bruza}, title = {{The patent retrieval task in the fourth NTCIR workshop}}, booktitle = {{SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Sheffield, UK, July 25-29, 2004}}, pages = {560--561}, publisher = {ACM}, year = {2004}, url = {https://doi.org/10.1145/1008992.1009120}, doi = {https://doi.org/10.1145/1008992.1009120} }