A Collaborative Aerial-Ground Robotic System for Fast Exploration. - Luqi Wang; Daqian Cheng; Fei Gao 011; Fengyu Cai; Jixin Guo; Mengxiang Lin; Shaojie Shen (ISER, 2018)

CRASH: A Collaborative Aerial-Ground Exploration System Using Hybrid-Frontier Method. - Luqi Wang; Fei Gao 011; Fengyu Cai; Shaojie Shen (ROBIO, 2018)

Self-training Improves Pre-training for Few-shot Learning in Task-oriented Dialog Systems. - Fei Mi; Wanhao Zhou; Lingjing Kong 001; Fengyu Cai; Minlie Huang; Boi Faltings (EMNLP (1), 2021)

Slim: Explicit Slot-Intent Mapping with Bert for Joint Multi-Intent Detection and Slot Filling. - Fengyu Cai; Wanhao Zhou; Fei Mi; Boi Faltings (ICASSP, 2022)

A Survey of Language Model Confidence Estimation and Calibration. - Jiahui Geng; Fengyu Cai; Yuxia Wang; Heinz Koeppl; Preslav Nakov; Iryna Gurevych (CoRR, 2023)

GeoHard: Towards Measuring Class-wise Hardness through Modelling Class Semantics. - Fengyu Cai; Xinran Zhao; Hongming Zhang 009; Iryna Gurevych; Heinz Koeppl (ACL (Findings), 2024)

Aligning Large Language Model with Direct Multi-Preference Optimization for Recommendation. - Zhuoxi Bai; Ning Wu; Fengyu Cai; Xinyi Zhu; Yun Xiong (CIKM, 2024)

MixGR: Enhancing Retriever Generalization for Scientific Domain through Complementary Granularity. - Fengyu Cai; Xinran Zhao; Tong Chen; Sihao Chen; Hongming Zhang 009; Iryna Gurevych; Heinz Koeppl (EMNLP, 2024)

A Survey of Confidence Estimation and Calibration in Large Language Models. - Jiahui Geng; Fengyu Cai; Yuxia Wang; Heinz Koeppl; Preslav Nakov; Iryna Gurevych (NAACL-HLT, 2024)

Finetuning Large Language Model for Personalized Ranking. - Zhuoxi Bai; Ning Wu; Fengyu Cai; Xinyi Zhu; Yun Xiong (CoRR, 2024)

CoQuIR: A Comprehensive Benchmark for Code Quality-Aware Information Retrieval. - Jiahui Geng; Fengyu Cai; Shaobo Cui 006; Qing Li 038; Liangwei Chen; Chenyang Lyu; Haonan Li; Derui Zhu; Walter Pretschner; Heinz Koeppl; Fakhri Karray (CoRR, 2025)

MoR: Better Handling Diverse Queries with a Mixture of Sparse, Dense, and Human Retrievers. - Jushaan Singh Kalra; Xinran Zhao; To Eun Kim; Fengyu Cai; Fernando Diaz 001; Tongshuang Wu (CoRR, 2025)

Revela: Dense Retriever Learning via Language Modeling. - Fengyu Cai; Tong Chen; Xinran Zhao; Sihao Chen; Hongming Zhang 009; Sherry Tongshuang Wu; Iryna Gurevych; Heinz Koeppl (CoRR, 2025)