Xianda Zheng

graph neural network (2) large language model (2) document summarization (1) imbalanced learning (1) multimodal language model (1) reasoning trace (1) information propagation (1) label scarcity (1) medical visual question answering (1) cold start problem (1) structured knowledge (1) automatic summarization (1) question embedding (1) student performance prediction (1) matthews correlation coefficient (1) signed graph neural network (1) student performance (1) reasoning accuracy (1) dynamic alignment (1) reinforcement learning with verifiable reward (1)