Letian Peng

According to our database, Letian Peng authored at least 38 papers between 2021 and 2026.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2026

Simulating Organized Group Behavior: New Framework, Benchmark, and Analysis.

Xinkai Zou, Yiming Huang, Zhuohang Wu, Jian Sha, Nan Huang, Longfei Yun, Jingbo Shang, Letian Peng

CoRR, April, 2026

How Well Does Generative Recommendation Generalize?

Yijie Ding, Zitian Guo, Jiacheng Li, Letian Peng, Shuai Shao, Wei Shao, Xiaoqiang Luo, Luke Simon, Jingbo Shang, Julian J. McAuley, Yupeng Hou

CoRR, March, 2026

Codified Finite-state Machines for Role-playing.

Letian Peng, Yupeng Hou, Kun Zhou, Jingbo Shang

CoRR, February, 2026

Deriving Character Logic from Storyline as Codified Decision Trees.

Letian Peng, Kun Zhou, Longfei Yun, Yupeng Hou, Jingbo Shang

CoRR, January, 2026

Codified Foreshadowing-Payoff Text Generation.

Longfei Yun, Kun Zhou, Yupeng Hou, Letian Peng, Jingbo Shang

CoRR, January, 2026

ToolGym: an Open-world Tool-using Environment for Scalable Agent Testing and Data Curation.

Ziqiao Xi, Shuang Liang, Qi Liu, Jiaqing Zhang, Letian Peng, Fang Nan, Meshal Nayim, Tianhui Zhang, Rishika Mundada, Lianhui Qin, Biwei Huang, Kun Zhou

CoRR, January, 2026

2025

A Tale of LLMs and Induced Small Proxies: Scalable Agents for Knowledge Mining.

Sipeng Zhang, Longfei Yun, Zilong Wang, Jingbo Shang, Letian Peng

CoRR, October, 2025

Bidirectional LMs are Better Knowledge Memorizers? A Benchmark for Real-world Knowledge Injection.

Yuwei Zhang, Wenhao Yu, Shangbin Feng, Yifan Zhu, Letian Peng, Jayanth Srinivasa, Gaowen Liu, Jingbo Shang

CoRR, May, 2025

Codifying Character Logic in Role-Playing.

Letian Peng, Jingbo Shang

CoRR, May, 2025

Memorize or Generalize? Evaluating LLM Code Generation with Evolved Questions.

Wentao Chen, Lizhe Zhang, Li Zhong, Letian Peng, Zilong Wang, Jingbo Shang

CoRR, March, 2025

UltraGen: Extremely Fine-grained Controllable Generation via Attribute Reconstruction and Global Preference Optimization.

Longfei Yun, Letian Peng, Jingbo Shang

CoRR, February, 2025

Linear Correlation in LM's Compositional Generalization and Hallucination.

Letian Peng, Chenyang An, Shibo Hao, Chengyu Dong, Jingbo Shang

CoRR, February, 2025

Correlation and Navigation in the Vocabulary Key Representation Space of Language Models.

Letian Peng, Chenyang An, Jingbo Shang

Proceedings of the Thirteenth International Conference on Learning Representations, 2025

ULTRABENCH: Benchmarking LLMs under Extreme Fine-grained Text Generation.

Longfei Yun, Letian Peng, Jingbo Shang

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2025, 2025

The Price of Format: Diversity Collapse in LLMs.

Longfei Yun, Chenyang An, Zilong Wang, Letian Peng, Jingbo Shang

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2025, 2025

Cuckoo: An IE Free Rider Hatched by Massive Nutrition in LLM's Nest.

Letian Peng, Zilong Wang, Feng Yao, Jingbo Shang

Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2025

2024

Incubating Text Classifiers Following User Instruction with Nothing but LLM.

Letian Peng, Jingbo Shang

CoRR, 2024

MetaIE: Distilling a Meta Model from LLM for All Kinds of Information Extraction Tasks.

Letian Peng, Zilong Wang, Feng Yao, Zihan Wang, Jingbo Shang

CoRR, 2024

Quantifying and Optimizing Global Faithfulness in Persona-driven Role-playing.

Letian Peng, Jingbo Shang

Proceedings of the Advances in Neural Information Processing Systems 37: Annual Conference on Neural Information Processing Systems 2024, 2024

Hierarchical Attention Decoder for Solving Math Word Problems.

Jiajia Li, Letian Peng, Ping Wang, Hai Zhao

Proceedings of the Pattern Recognition and Artificial Intelligence, 2024

Semantics-Preserved Distortion for Personal Privacy Protection in Information Management.

Jiajia Li, Lu Yang, Letian Peng, Shitou Zhang, Ping Wang, Zuchao Li, Hai Zhao

Proceedings of the Artificial Neural Networks and Machine Learning - ICANN 2024, 2024

Text Grafting: Near-Distribution Weak Supervision for Minority Classes in Text Classification.

Letian Peng, Yi Gu, Chengyu Dong, Zihan Wang, Jingbo Shang

Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing, 2024

Incubating Text Classifiers Following User Instruction with Nothing but LLM.

Letian Peng, Zilong Wang, Jingbo Shang

Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing, 2024

Controllable Data Augmentation for Few-Shot Text Mining with Chain-of-Thought Attribute Manipulation.

Letian Peng, Yuwei Zhang, Jingbo Shang

Proceedings of the Findings of the Association for Computational Linguistics, 2024

Answer is All You Need: Instruction-following Text Embedding via Answering the Question.

Letian Peng, Yuwei Zhang, Zilong Wang, Jayanth Srinivasa, Gaowen Liu, Zihan Wang, Jingbo Shang

Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2024

Learn from Failure: Fine-tuning LLMs with Trial-and-Error Data for Intuitionistic Propositional Logic Proving.

Chenyang An, Zhibo Chen, Qihao Ye, Emily First, Letian Peng, Jiayun Zhang, Zihan Wang, Sorin Lerner, Jingbo Shang

Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2024

2023

EmojiLM: Modeling the New Emoji Language.

Letian Peng, Zilong Wang, Hang Liu, Zihan Wang, Jingbo Shang

CoRR, 2023

Generating Efficient Training Data via LLM-based Attribute Manipulation.

Letian Peng, Yuwei Zhang, Jingbo Shang

CoRR, 2023

Chride at SemEval-2023 Task 10: Fine-tuned Deberta-V3 on Detection of Online Sexism with Hierarchical Loss.

Letian Peng, Bosung Kim

Proceedings of the The 17th International Workshop on Semantic Evaluation, 2023

iRe2f: Rethinking Effective Refinement in Language Structure Prediction via Efficient Iterative Retrospecting and Reasoning.

Zuchao Li, Xingyi Guo, Letian Peng, Lefei Zhang, Hai Zhao

Proceedings of the Thirty-Second International Joint Conference on Artificial Intelligence, 2023

Less than One-shot: Named Entity Recognition via Extremely Weak Supervision.

Letian Peng, Zihan Wang, Jingbo Shang

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2023, 2023

Contextualized Semantic Distance between Highly Overlapped Texts.

Letian Peng, Zuchao Li, Hai Zhao

Proceedings of the Findings of the Association for Computational Linguistics: ACL 2023, 2023

2022

Evaluate Confidence Instead of Perplexity for Zero-shot Commonsense Reasoning.

Letian Peng, Zuchao Li, Hai Zhao

CoRR, 2022

Solution of DeBERTaV3 on CommonsenseQA.

Letian Peng, Zuchao Li, Hai Zhao

CoRR, 2022

Semantics-Preserved Distortion for Personal Privacy Protection.

Letian Peng, Zuchao Li, Hai Zhao

CoRR, 2022

2021

Unsupervised Full Constituency Parsing with Neighboring Distribution Divergence.

Letian Peng, Zuchao Li, Hai Zhao

CoRR, 2021

A Novel Metric for Evaluating Semantics Preservation.

Letian Peng, Zuchao Li, Hai Zhao

CoRR, 2021

Sparse Fuzzy Attention for Structured Sentiment Analysis.

Letian Peng, Zuchao Li, Hai Zhao

CoRR, 2021