Fan, Jugang, Peihao Chen, Changhao Li, Qing Du, Jian Chen, and Mingkui Tan. 2026. “NaVLA$^2$: A Vision-Language-Audio-Action Model for Multimodal Instruction Navigation”. Proceedings of the AAAI Conference on Artificial Intelligence 40 (22):18234-42. https://doi.org/10.1609/aaai.v40i22.38886.