This author has not been identified. It may be one of the following persons: Look up 'Yang Yang' in GoogleThis author has not been identified. Look up 'Wenjie Zhang 0001' in GoogleThis author has not been identified. Look up 'Ying Zhang 0001' in GoogleThis author has not been identified. Look up 'Xuemin Lin' in GoogleThis author has not been identified. Look up 'Liping Wang' in Google