@conference {cao2008ntcir,
	title = {NTCIR-7 Patent Mining Experiments at RALI},
	booktitle = {the Proceedings of NTCIR-7 Workshop Meeting},
	year = {2008},
	pages = {347{\textendash}350},
	author = {Cao, Guihong and Jian-Yun Nie and Shi, Lixin}
}
