Yongqiang Xie

School of Artificial Intelligence and Big Data , Hefei University , Hefei , China

1 paper in the IJCAI proceedings

IJCAI 2026

HiCD: Hyperbolic Insight Through Decomposed Educational Graphs for Long-Tailed Cognitive Diagnosis

with Shengwei Ji, Wenli Wang, Fei Liu, Yonghui Yang

doi:10.24963/ijcai.2026/299

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