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Chengjin Xu

Ultrahyperbolic Knowledge Graph Embeddings

Jun 01, 2022
Bo Xiong, Shichao Zhu, Mojtaba Nayyeri, Chengjin Xu, Shirui Pan, Chuan Zhou, Steffen Staab

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* Accepted to SIGKDD'22

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Time-aware Graph Neural Networks for Entity Alignment between Temporal Knowledge Graphs

Mar 13, 2022
Chengjin Xu, Fenglong Su, Jens Lehmann

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* Accepted at EMNLP2021

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Geometric Algebra based Embeddings for Static and Temporal Knowledge Graph Completion

Feb 25, 2022
Chengjin Xu, Mojtaba Nayyeri, Yung-Yu Chen, Jens Lehmann

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* There are some theorem mistakes in the Appendix section need to be fixed. And we are still trying to solve them. We submitted the Arxiv version for providing the supplementary analysis, but now we hope to withdraw the current version to avoid misleading the readers from Arxiv

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Geometric Algebra based Embeddings for Staticand Temporal Knowledge Graph Completion

Feb 18, 2022
Chengjin Xu, Mojtaba Nayyeri, Yung-Yu Chen, Jens Lehmann

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* Accepted by IEEE Transactions on Knowledge and Data Engineering

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Multiple Run Ensemble Learning withLow-Dimensional Knowledge Graph Embeddings

Apr 11, 2021
Chengjin Xu, Mojtaba Nayyeri, Sahar Vahdati, Jens Lehmann

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* Accepted by the 2021 International Joint Conference on Neural Networks (IJCNN 2021)

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TeRo: A Time-aware Knowledge Graph Embedding via Temporal Rotation

Oct 24, 2020
Chengjin Xu, Mojtaba Nayyeri, Fouad Alkhoury, Hamed Shariat Yazdi, Jens Lehmann

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* This paper is accepted by COLING2020

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Knowledge Graph Embeddings in Geometric Algebras

Oct 24, 2020
Chengjin Xu, Mojtaba Nayyeri, Yung-Yu Chen, Jens Lehmann

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* This paper is accepted by COLING2020

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