Question trunks and focus extraction based on question dependency syntax conversion. - Yuehong Liu; Zhengtao Yu 001; Cunli Mao; Jianyi Guo; Yantuan Xian (FSKD, 2012)

The Evaluation of the Regional Technology Innovation Ability Based on Grey Relational Analysis. - Liqin Liu; Yuehong Liu (WHICEB, 2013)