[1] 国家自然科学基金青年科学基金项目（C类），2026-01至2028-12（主持，在研）

[2] 国家自然科学基金面上项目，2021-01至2024-12（参与，结题）

[1] 刘克宇, 杨习贝, 王长宝, 高尚, 凌青华. 一种监控单元及其实现方法, 专利号: ZL201910174164.9, 授权公告日: 2020年09月29日.

[2] 刘克宇, 杨习贝, 高庆清, 王长宝, 高尚, 陈建军, 董海燕. 一种带防盗的温湿监测单元及其实现方法, 专利号: ZL201910174148.X, 授权公告日: 2020年07月24日.

论文成果信息请参见：DBLP、ResearchGate、Scopus

Selected Publications

2025

[1] Guoquan Zhu, Keyu Liu*, Xibei Yang, Qihang Guo. UMGCN: Updating multi-graph for graph convolutional networks, Computers and Electrical Engineering, 123: 109957, 2025.

[2] Zhixuan Deng, Tianrui Li, Pengfei Zhang, Keyu Liu, Zhong Yuan, Dayong Deng. Feature selection for label distribution learning based on neighborhood fuzzy rough sets, Applied Soft Computing, 169: 112542, 2025.

2024

[1] Damo Qian, Keyu Liu*, Shiming Zhang, Xibei Yang. Semi-supervised feature selection by minimum neighborhood redundancy and maximum neighborhood relevancy, Applied Intelligence, 54: 7750-7764, 2024. [Link]

[2] Qihang Guo, Keyu Liu, Taihua Xu, Pingxin Wang, Xibei Yang. Fuzzy feature factorization machine: Bridging feature interaction, selection, and construction, Expert Systems with Applications, 255: 124600, 2024.

[3] Tengyu Yin, Hongmei Chen, Zhihong Wang, Keyu Liu, Zhong Yuan, Shi-Jinn Horng, Tianrui Li. Feature selection for multilabel classification with missing labels via multi-scale fusion fuzzy uncertainty measures, Pattern Recognition, 154: 110580, 2024.

[4] Hengrong Ju, Tingting Shan, Weiping Ding, Keyu Liu, Muhammad Jabir Khan, Jiashuang Huang, Xibei Yang. BiFuG2-Spark: Bi-directional fuzzy granular-cabin parallel attribute reduction accelerator with granular-group collaboration, IEEE Transactions on Fuzzy Systems, 32(8): 4234-4247, 2024.

[5] Zhixuan Deng, Tianrui Li, Dayong Deng, Keyu Liu, Zhipeng Luo, Pengfei Zhang. Feature selection for handling label ambiguity using weighted label-fuzzy relevancy and redundancy, IEEE Transactions on Fuzzy Systems, 32(8): 4436-4447, 2024.

[6] Pengfei Zhang, Tianrui Li, Zhong Yuan, Chuan Luo, Keyu Liu, Xiaoling Yang. Heterogeneous feature selection based on neighborhood combination entropy, IEEE Transactions on Neural Networks and Learning Systems, 35(3): 3514-3527, 2024.

2023

[1] Keyu Liu, Tianrui Li, Xibei Yang, Hongmei Chen, Jie Wang, Zhixuan Deng. SemiFREE: Semisupervised feature selection with fuzzy relevance and redundancy, IEEE Transactions on Fuzzy Systems, 31(10): 3384-3396, 2023.

[2] Keyu Liu, Tianrui Li, Xibei Yang, Hengrong Ju, Xin Yang, Dun Liu. Feature selection in threes: Neighborhood relevancy, redundancy, and granularity interactivity, Applied Soft Computing, 146: 110679, 2023.

2022

[1] Keyu Liu, Tianrui Li, Xibei Yang, Xin Yang, Dun Liu, Pengfei Zhang, Jie Wang. Granular cabin: An efficient solution to neighborhood learning in big data, Information Sciences, 583: 189-201, 2022.

[2] Keyu Liu, Tianrui Li, Xibei Yang, Xin Yang, Dun Liu: Neighborhood rough set based ensemble feature selection with cross-class sample granulation, Applied Soft Computing, 131: 109747, 2022. 

[3] Keyu Liu, Tianrui Li, Xibei Yang, Hengrong Ju, Xin Yang, Dun Liu. Hierarchical neighborhood entropy based multi-granularity attribute reduction with application to gene prioritization, International Journal of Approximate Reasoning, 148: 57-67, 2022.

2021

[1] Zehua Jiang, Keyu Liu, Jingjing Song, Xibei Yang, Jinhai Li, Yuhua Qian. Accelerator for crosswise computing reduct, Applied Soft Computing, 98: 106740, 2021.  

[2] Xin Yang, Dun Liu, Xibei Yang, Keyu Liu, Tianrui Li. Incremental fuzzy probability decision-theoretic approaches to dynamic three-way approximations, Information Sciences, 550: 71-90, 2021.  

[3] Zhong Yuan, Hongmei Chen, Xiaoling Yang, Tianrui Li, Keyu Liu. Fuzzy complementary entropy using hybrid-kernel function and its unsupervised attribute reduction, Knowledge-Based Systems, 231: 107398, 2021.

2020 

[1] Keyu Liu, Xibei Yang, Hualong Yu, Hamido Fujita, Xiangjian Chen, Dun Liu. Supervised information granulation strategy for attribute reduction, International Journal of Machine Learning and Cybernetics, 11: 2149-2163, 2020.

2019

[1] Keyu Liu, Xibei Yang, Hamido Fujita, Dun Liu, Xin Yang, Yuhua Qian. An efficient selector for multi-granularity attribute reduction, Information Sciences, 505: 457-472, 2019.

[2] Keyu Liu, Xibei Yang, Hualong Yu, Jusheng Mi, Pingxin Wang, Xiangjian Chen. Rough set based semi-supervised feature selection via ensemble selector, Knowledge-Based Systems, 165: 282-296, 2019.

[1] 2024年ACM Chengdu Chapter优秀博士论文奖（提名奖）

[2] 2021年江苏省优秀学术学位硕士学位论文