Khanh Nguyen Debadeepta Dey Chris Brockett Bill Dolan Vision-Based Navigation With Language-Based Assistance via Imitation Learning With Indirect Intervention. 12527-12537 2019 CVPR http://openaccess.thecvf.com/content_CVPR_2019/html/Nguyen_Vision-Based_Navigation_With_Language-Based_Assistance_via_Imitation_Learning_With_Indirect_CVPR_2019_paper.html https://doi.org/10.1109/CVPR.2019.01281 conf/cvpr/2019 db/conf/cvpr/cvpr2019.html#NguyenDBD19