activity
20242026
collaborators

7 papers

cs.AI2026

Cognitive Demand Steering for Adaptive Meta-Reasoning in Large Language Models

John Scoville, Shengzhuang Chen, Yejin Bang +2

Recent meta-reasoning frameworks improve LLM reasoning by wrapping chain-of-thought generation in an iterative control loop, allowing more effective backtracking, termination of re…

cs.AI2026

Scales++: Compute Efficient Evaluation Subset Selection with Cognitive Scales Embeddings

Andrew M. Bean, Nabeel Seedat, Shengzhuang Chen +1

The prohibitive cost of evaluating large language models (LLMs) on comprehensive benchmarks necessitates the creation of small yet representative data subsets (i.e., tiny benchmark…

stat.ML2025

ADMIRE-BayesOpt: Accelerated Data MIxture RE-weighting for Language Models with Bayesian Optimization

Shengzhuang Chen, Xu Ouyang, Michael Arthur Leopold Pearce +2

Determining the optimal data mixture for large language model training remains a challenging problem with an outsized impact on performance. In practice, language model developers…

cs.LG2025

Automatic Expert Discovery in LLM Upcycling via Sparse Interpolated Mixture-of-Experts

Shengzhuang Chen, Ying Wei, Jonathan Richard Schwarz

We present Sparse Interpolated Mixture-of-Experts (SIMoE) instruction-tuning, an end-to-end algorithm designed to fine-tune a dense pre-trained Large Language Model (LLM) into a Mo…

cs.LG2025

CLDyB: Towards Dynamic Benchmarking for Continual Learning with Pre-trained Models

Shengzhuang Chen, Yikai Liao, Xiaoxiao Sun +2

The advent of the foundation model era has sparked significant research interest in leveraging pre-trained representations for continual learning (CL), yielding a series of top-per…

cs.CV2024

Learning Where to Edit Vision Transformers

Yunqiao Yang, Long-Kai Huang, Shengzhuang Chen +2

Model editing aims to data-efficiently correct predictive errors of large pre-trained models while ensuring generalization to neighboring failures and locality to minimize unintend…