activity
20232026
most citedBalancing Specialized and General Skills in LLMs: The Impact of Modern Tuning and Data Strategy

12 citations · 14 across the 8 of their papers we have counts for

collaborators

8 papers

cs.DB2026

PLRTune: Importance Pre-Sampling and LLM-Guided Reinforcement Learning for Automatic Database Tuning

Xinyue Yang, Chen Zheng, Yaoyang Hou +3

Configuration tuning is critical to database performance, yet automatic database tuning remains challenging due to high-dimensional knob spaces, substantial online tuning cost, unr…

cs.LG2026

LLMs as Noisy Channels: A Shannon Perspective on Model Capacity and Scaling Laws

Xu Ouyang, Deyi Liu, Yuhang Cai +5

Existing scaling laws for Large Language Models (LLMs), predominantly monotonic power laws, fail to explain emerging non-monotonic phenomena such as catastrophic overtraining and q…

cs.LG2026

Predicting Performance of Symbolic and Prompt Programs with Examples

Chengqi Zheng, Keya Hu, Shuzhi Liu +3

LLM prompting is widely used for naturally stated tasks, yet it is unreliable it may succeed on a few test cases but fail at deployment time. We study performance prediction: given…

cs.CL2024

Mistral-C2F: Coarse to Fine Actor for Analytical and Reasoning Enhancement in RLHF and Effective-Merged LLMs

Chen Zheng, Ke Sun, Xun Zhou

Despite the advances in Large Language Models (LLMs), exemplified by models like GPT-4 and Claude, smaller-scale LLMs such as Llama and Mistral often struggle with generating in-de…

cs.CL2024★ 2 cited

Balancing Enhancement, Harmlessness, and General Capabilities: Enhancing Conversational LLMs with Direct RLHF

Chen Zheng, Ke Sun, Hang Wu +2

In recent advancements in Conversational Large Language Models (LLMs), a concerning trend has emerged, showing that many new base LLMs experience a knowledge reduction in their fou…

cs.CL2024

ICE-GRT: Instruction Context Enhancement by Generative Reinforcement based Transformers

Chen Zheng, Ke Sun, Da Tang +4

The emergence of Large Language Models (LLMs) such as ChatGPT and LLaMA encounter limitations in domain-specific tasks, with these models often lacking depth and accuracy in specia…

cs.CL2023

A Self-enhancement Approach for Domain-specific Chatbot Training via Knowledge Mining and Digest

Ruohong Zhang, Luyu Gao, Chen Zheng +6

Large Language Models (LLMs), despite their great power in language generation, often encounter challenges when dealing with intricate and knowledge-demanding queries in specific d…

cs.CL2023★ 12 cited

Balancing Specialized and General Skills in LLMs: The Impact of Modern Tuning and Data Strategy

Zheng Zhang, Chen Zheng, Da Tang +5

This paper introduces a multifaceted methodology for fine-tuning and evaluating large language models (LLMs) for specialized monetization tasks. The goal is to balance general lang…