High-Modality Multimodal Transformer: Quantifying Modality & Interaction Heterogeneity for High-Modality Representation Learning. - Paul Pu Liang; Yiwei Lyu; Xiang Fan; Jeffrey Tsaw; Yudong Liu; Shentong Mo; Dani Yogatama; Louis-Philippe Morency; Russ Salakhutdinov (Trans. Mach. Learn. Res., 2023)