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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
Sep 28, 2026 1 min read
AI Lecture 17: A New Well-Supported Semantics for Description Logic Programs
AI Lecture 17: A New Well-Supported Semantics for Description Logic Programs

Jia-Huai You (University of Alberta, Canada) presents a new well-supported semantics for description logic programs.

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.

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Latest Publication

Zhongtao Xie, Yisong Wang, Lei Yang, Hongbo Hu (2026). A MaxSAT-based framework for computing circumscription.. Ann. Math. Artif. Intell..

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Renyan Feng, Yisong Wang, Mingsen Deng, Erman Acar (2026). Uniform Interpolation Closure for Branching Time Temporal Logics.. IJCAI/ECAI.

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Wei Peng, Yisong Wang, Maonian Wu, Shiming Chen (2026). Zero-Shot Segmentation With Co-Occurrence Relation Enhancement.. IEEE Trans. Circuits Syst. Video Technol..

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Hongbo Hu, Yisong Wang, Yi Huang, Kewen Wang (2025). Inductive Learning for Possibilistic Logic Programs Under Stable Models.. CoRR.

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Hongbo Hu, Yisong Wang, Yi Huang, Kewen Wang (2025). Inductive Learning for Possibilistic Logic Programs Under Stable Models.. Theory Pract. Log. Program..

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