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An Answer Verbalization Dataset for Conversational Question Answerings over Knowledge Graphs


Aug 13, 2022
Endri Kacupaj, Kuldeep Singh, Maria Maleshkova, Jens Lehmann


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Integrating Knowledge Graph embedding and pretrained Language Models in Hypercomplex Spaces


Aug 05, 2022
Mojtaba Nayyeri, Zihao Wang, Mst. Mahfuja Akter, Mirza Mohtashim Alam, Md Rashad Al Hasan Rony, Jens Lehmann, Steffen Staab

* add acknowledgement 

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DialoKG: Knowledge-Structure Aware Task-Oriented Dialogue Generation


Apr 19, 2022
Md Rashad Al Hasan Rony, Ricardo Usbeck, Jens Lehmann

* Accepted by the North American Chapter of the Association for Computational Linguistics (NAACL) 2022 

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RoMe: A Robust Metric for Evaluating Natural Language Generation


Mar 17, 2022
Md Rashad Al Hasan Rony, Liubov Kovriguina, Debanjan Chaudhuri, Ricardo Usbeck, Jens Lehmann

* Accepted by the Association for Computational Linguistics (ACL) 2022 

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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

* Accepted at EMNLP2021 

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Language Model-driven Negative Sampling


Mar 09, 2022
Mirza Mohtashim Alam, Md Rashad Al Hasan Rony, Semab Ali, Jens Lehmann, Sahar Vahdati


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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

* 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

* Accepted by IEEE Transactions on Knowledge and Data Engineering 

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Semantic Answer Type and Relation Prediction Task (SMART 2021)


Jan 10, 2022
Nandana Mihindukulasooriya, Mohnish Dubey, Alfio Gliozzo, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Ricardo Usbeck, Gaetano Rossiello, Uttam Kumar


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