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Yu Wang · Yijian Liu · Liheng Ji · Han Luo · Wenjie Li · Xiaofei Zhou · Chiyun Feng · Puji Wang · Yuhan Cao · Geyuan Zhang · Xiaojian Li · Rongwu Xu · Yilei Chen · Tianxing He
Shihao Liu · Xiaofei Zhou · Bo Wang · Geyuan Zhang
Temporal Knowledge Graph Question Answering (TKGQA) aims to answer temporal questions using knowledge from Temporal Knowledge Graphs (TKGs).Existing LLM-based TKGQA methods typically utilize RAG-based or Agent-based paradigms, yet both struggle to construct reliable temporal evidence chains. RAG-...
Geyuan Zhang · Xiaofei Zhou · Shihao Liu · Jingyuan Tian · Jizheng Ma
Knowledge forgetting is a central challenge when adapting LLMs to new tasks. Prior studies indicate that pretrained knowledge is concentrated in the principal singular subspace of pretrained weight W_0 ; so recent Low-Rank Adaptation (LoRA) variants initialize LoRA in the minor subspace to steer...