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👋 Welcome to the group đŸĨŗ

Lecture & Learn

The research of the OKRR lab ranges from knowledge representation and reasoning to artificial neural networks!

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Seminar

Team members have won awards such as the Ray Reiter Best Paper Award at KR-2006 and the Best Student Paper at ILP-2016.

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Omega-krr Group

Professor Wang Yisong has supervised more than 200 Ph.D. and M.S. students.🎓

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Latest News

Yisong Wang
Jul 20, 2026 1 min read
AI Lecture 15: From Logic to Learning: A Computational Complexity Perspective
AI Lecture 15: From Logic to Learning: A Computational Complexity Perspective

Prof. Yuping Shen (Sun Yat-sen University) presents From Logic to Learning: A Computational Complexity Perspective.

Yisong Wang
Jul 20, 2026 1 min read
AI Lecture 16: Neuro-Symbolic Systems and Applications
AI Lecture 16: Neuro-Symbolic Systems and Applications

Prof. Maonian Wu (Huzhou University) presents Neuro-Symbolic Systems and Applications.

Yisong Wang
Jul 19, 2026 1 min read
AI Lecture 14: Computational Discrete Global Geometric Structures
AI Lecture 14: Computational Discrete Global Geometric Structures

Hui Zhao (Founder and Chief Scientist, Computational Discrete Global Geometric Structures Laboratory) presents Computational Discrete Global Geometric Structures.

Yisong Wang
Nov 19, 2025 1 min read
AI Lecture 13: Medical Knowledge Graphs: Technologies and Applications
AI Lecture 13: Medical Knowledge Graphs: Technologies and Applications

Prof. Zhisheng Huang (Vrije Universiteit Amsterdam) presents Medical Knowledge Graphs: Technologies and Applications.

Rui Ma
Oct 31, 2024 1 min read
2025 Graduate Student Recruitment Announcement
2025 Graduate Student Recruitment Announcement

Our laboratory focuses on artificial intelligence research including knowledge representation and reasoning. Join our team!

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Latest Publication

Hongbo Hu, Yisong Wang, Katsumi Inoue (2025). Learning possibilistic dynamic systems from state transitions. Fuzzy Sets and Systems.

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Xin Zhou, Yisong Wang, Renyanfeng, Songhang Xu (2024). Strong Forgetting in Hennessy-Milner Logic. The 18th International Symposium on Theoretical Aspects of Software Engineering.

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Bowen Duan, Shiming Chen, Yufei Guo, Guo-Sen Xie, Weiping Ding, Yisong Wang (2024). Visual--Semantic Graph Matching Net for Zero-Shot Learning. IEEE Transactions on Neural Networks and Learning Systems.

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Yisong Wang, Hong Liu, Ying Zhang, Mingyi Zhang, Danning Li, Jiajia Yang (2024). What's new is the evolution of propositional knowledge bases?. Journal of Guizhou University (Natural Sciences).

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Yisong Wang, Thomas Eiter, Yuanlin Zhang, Fangzhen Lin (2023). Witnesses for Answer Sets of Logic Programs. ACM Trans. Comput. Logic.

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