activity
20202026
most citedA Systematic Survey of Automatic Prompt Optimization Techniques

14 citations · 31 across the 9 of their papers we have counts for

collaborators

9 papers

cs.CL2026

An Empirical Study of Automating Agent Evaluation

Kang Zhou, Sangmin Woo, Haibo Ding +15

Agent evaluation requires assessing complex multi-step behaviors involving tool use and intermediate reasoning, making it costly and expertise-intensive. A natural question arises:…

cs.CL2026

Diffusion Language Model Inference with Monte Carlo Tree Search

Zheng Huang, Kiran Ramnath, Yueyan Chen +8

Diffusion language models (DLMs) have recently emerged as a compelling alternative to autoregressive generation, offering parallel generation and improved global coherence. During…

cs.LG2026

BayesFlow: A Probability Inference Framework for Meta-Agent Assisted Workflow Generation

Bo Yuan, Yun Zhou, Zhichao Xu +3

Automatic workflow generation is the process of automatically synthesizing sequences of LLM calls, tool invocations, and post-processing steps for complex end-to-end tasks. Most pr…

cs.CL2026

Learning to Ideate for Machine Learning Engineering Agents

Yunxiang Zhang, Kang Zhou, Zhichao Xu +5

Existing machine learning engineering (MLE) agents struggle to iteratively optimize their implemented algorithms for effectiveness. To address this, we introduce MLE-Ideator, a dua…

cs.CL2025

Beyond Correctness: Rewarding Faithful Reasoning in Retrieval-Augmented Generation

Zhichao Xu, Zongyu Wu, Yun Zhou +9

Inspired by the success of reinforcement learning (RL) in Large Language Model (LLM) training for domains like math and code, recent work has begun training LLMs to dynamically pla…

cs.CL2025★ 14 cited

A Systematic Survey of Automatic Prompt Optimization Techniques

Kiran Ramnath, Kang Zhou, Sheng Guan +18

Since the advent of large language models (LLMs), prompt engineering has been a crucial step for eliciting desired responses for various Natural Language Processing (NLP) tasks. Ho…

cs.CL2024★ 9 cited

Reinforcement Learning for LLM Post-Training: A Survey

Zhichao Wang, Kiran Ramnath, Bin Bi +9

Large language models (LLMs) trained via pretraining and supervised fine-tuning (SFT) can still produce harmful and misaligned outputs, or struggle in domains like math and coding.…

cs.CL2024★ 4 cited

PAFT: A Parallel Training Paradigm for Effective LLM Fine-Tuning

Shiva Kumar Pentyala, Zhichao Wang, Bin Bi +6

Large language models (LLMs) have shown remarkable abilities in diverse natural language processing (NLP) tasks. The LLMs generally undergo supervised fine-tuning (SFT) followed by…

cs.CL2020★ 4 cited

Seeing is Knowing! Fact-based Visual Question Answering using Knowledge Graph Embeddings

Kiran Ramnath, Mark Hasegawa-Johnson

Fact-based Visual Question Answering (FVQA), a challenging variant of VQA, requires a QA-system to include facts from a diverse knowledge graph (KG) in its reasoning process to pro…