An evaluation of question answering challenge (QAC-1) at the NTCIR workshop 3
Junichi Fukumoto, Tsuneaki Kato, Fumito Masui · ACM SIGIR Forum · 2004
The Question Answering Challenge (QAC) was carried out as the first evaluation task on question answering of the NTCIR Workshop 3 [Fukumoto2002] [NTCIR]. Question answering in an open domain is a task for obtaining appropriate answers to given domain independent questions written in natural language from a large corpus. The purpose of the QAC was to