Yuxin Ding Di Zhou Min Xiao Li Dong 0011 Learning to rank relational objects based on the listwise approach. 1818-1824 2011 IJCNN https://doi.org/10.1109/IJCNN.2011.6033445 conf/ijcnn/2011 db/conf/ijcnn/ijcnn2011.html#DingZXD11