JanusVLN: Decoupling Semantics and Spatiality with Dual Implicit Memory for Vision-Language Navigation - Zeng, Shuang; Qi, Dekang; Chang, Xinyuan; Xiong, Feng; Xie, Shichao; Wu, Xiaolong; Liang, Shiyi; Xu, Mu; Wei, Xing (International Conference on Learning Representations, 2026)