activity
20242026
most citedMDGNN: Multi-Relational Dynamic Graph Neural Network for Comprehensive and Dynamic Stock Investment Prediction

2 citations · 2 across the 15 of their papers we have counts for

collaborators
Showing 2026Show all

8 papers · 1 filter

cs.LG2026

Trajectory Soup: Pushing the Compute-Scaling Frontier of LLM Mid-training via Diverse Trajectories

Zhehao Huang, Changxin Tian, Qingyuan Yang +5

Mid-training equips pretrained large language models with specialized and reasoning capabilities, but the returns of this stage are bounded since additional serial compute yields l…

cs.LG2026

Hyperparameter Scaling Laws Across MoE Sparsity

Changxin Tian, Kunlong Chen, Jia Liu +3

Mixture-of-Experts (MoE) models expand model capacity without a proportional increase in training compute, but increasing sparsity makes reliable hyperparameter transfer challengin…

cs.AI2026

Rethinking Shrinkage Bias in LLM FP4 Pretraining: Geometric Origin, Systemic Impact, and UFP4 Recipe

Qian Zhao, Kunlong Chen, Changxin Tian +9

FP4 training promises substantial reductions in memory and computation cost for LLM pretraining, yet current FP4 hardware paths and recipes, including NVIDIA Blackwell/Rubin-class…

cs.CV2026

Harnessing Streaming Video in the Wild

Dingyu Yao, Shuhuan Gu, Qingyi Si +8

Vision-Language Models (VLMs) are increasingly required to process unbounded video streams in applications such as video-call assistants, live commentary, and embodied robots. An i…

cs.AI2026

SearchSwarm: Towards Delegation Intelligence in Agentic LLMs for Long-Horizon Deep Research

Xiaochong Lan, Quan Chen, Kun Tao +7

Large language models are increasingly expected to handle complex, long-horizon real-world tasks whose context demands can grow without bound, yet model context windows remain inhe…

cs.CL2026

SuperValid: Capability-Aligned OOD Validation for Generalizable Downstream Scaling

Quanen Sun, Changxin Tian, Ke Shi +6

Scaling laws guide large language model training by relating compute to cross-entropy loss, and recent work further extends them to predict downstream benchmark performance. Howeve…

cs.IR2026

Token-level Collaborative Alignment for LLM-based Generative Recommendation

Fake Lin, Binbin Hu, Zhi Zheng +5

Large Language Models (LLMs) have demonstrated strong potential for generative recommendation by leveraging rich semantic knowledge. However, existing LLM-based recommender systems…

cs.LG2026

MergeMix: Optimizing Mid-Training Data Mixtures via Learnable Model Merging

Jiapeng Wang, Changxin Tian, Kunlong Chen +5

Optimizing data mixtures is essential for unlocking the full potential of large language models (LLMs), yet identifying the optimal composition remains computationally prohibitive…