activity
20242026
collaborators

6 papers

cs.CL2026

Only Ask What You Don't Know: Grounded Delta Planning for Efficient Multi-step RAG

Wei-Chieh Chou, Xuanjun Chen, Jian-Ren Lin +3

Multi-hop question answering remains challenging for Retrieval-Augmented Generation (RAG) because existing approaches either propagate errors across iterative retrieval rounds or o…

cs.AI2026

Self-Improvement Can Self-Regress: The Rise-and-Collapse Failure Mode of LLM Self-Training

Jianzhe Lin

Self-improvement can self-regress. In REINFORCE post-training for code, a model can quickly improve on its optimized metric and then collapse within the same training campaign. We…

cs.AI2026

Repeated post-training is not Self-improving: Diagnosing Scientific Amnesia in Continual DPO Pipelines

Jianzhe Lin, Fei Wang, Xiaolin Li +2

Industrial LLM teams often ship behavior updates by repeatedly DPO-training a base model on sequences of related preference-data campaigns. The dominant failure mode in this regime…

cs.CR2026

When Good Verifiers Go Bad: Self-Improving VLMs Can Regress on New Tasks

Jianzhe Lin

Verifier-driven self-DPO is a common recipe for self-improving production visual-language models. In this setup, a frozen verifier scores candidate generations, the top- and bottom…

cs.AI2025

Towards Continuous Intelligence Growth: Self-Training, Continual Learning, and Dual-Scale Memory in SuperIntelliAgent

Jianzhe Lin, Zeyu Pan, Yun Zhu +2

We introduce SuperIntelliAgent, an agentic learning framework that couples a trainable small diffusion model (the learner) with a frozen large language model (the verifier) to enab…

cs.CL2024

Multi-User Chat Assistant (MUCA): a Framework Using LLMs to Facilitate Group Conversations

Manqing Mao, Paishun Ting, Yijian Xiang +3

Recent advancements in large language models (LLMs) have provided a new avenue for chatbot development. Most existing research, however, has primarily centered on single-user chatb…