Yu Cai — accepted AI-conference papers

2026

CACR: Reinforcing Temporal Answer Grounding in Instructional Video via Candidate-Aware Causal Reasoning

Muge Qi, Rong Fu, Pengbin Feng, Xianda Li, Yu Cai, Yifu Guo +4

ICML 2026poster

The task of temporal answer grounding in instructional videos (TAGV), which aims to locate precise video segments that respond to natural language queries, is increasingly important for direct video answer retrieval. This task remains challenging due to the need to comprehend semantically complex qu…

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2025

Homogeneous Graph Extraction: An Approach to Learning Heterogeneous Graph Embedding

Shihao Gao, Xiaoyan Yu, Yu Cai, Xulong Zhang, Jianzong Wang, Taisong Jin

ICASSP 2025accepted

Heterogeneous Graph Neural Networks (HGNNs) aim to embed rich structural and semantic information of heterogeneous graphs into low-dimensional node representations. While HGNNs extend the foundational work of homogeneous Graph Neural Networks, the methodology for effectively transforming heterogeneo…

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