Chenheng Zhang

1. What is Wrong with Perplexity for Long-context Language Modeling?
   2024/10/31 by Fang, Lizhe, Yifei Wang, Wang, Yifei +12 · 16 citations
   Computer Science · #Computation and Language (cs.CL) #FOS: Computer and information sciences #Machine Learning (cs.LG) #Natural Language Processing Techniques #Topic Modeling
2. Near-Optimal Lower Bounds for Randomized Algorithms in Exact Value Zeroth-Order Convex Optimization
   2026/07/18 by Haihan Zhang, Chenheng Zhang, Zhiquan Qi +1
   Mathematics · #math.OC
3. UniMem: Complementary Episodic-to-Parametric Memory for Boundary-Agnostic Task Streams
   2026/07/28 by Siyu Xia, Chenheng Zhang, Yanting Wu +8
   #cs.CL