@inproceedings{dong-etal-2022-rotatect,
title = "{R}otate{CT}: Knowledge Graph Embedding by Rotation and Coordinate Transformation in Complex Space",
author = "Dong, Yao and
Wang, Lei and
Xiang, Ji and
Guo, Xiaobo and
Xie, Yuqiang",
booktitle = "Proceedings of the 29th International Conference on Computational Linguistics",
month = oct,
year = "2022",
address = "Gyeongju, Republic of Korea",
publisher = "International Committee on Computational Linguistics",
url = "https://aclanthology.org/2022.coling-1.436",
pages = "4918--4932",
abstract = "Knowledge graph embedding, which aims to learn representations of entities and relations in knowledge graphs, finds applications in various downstream tasks. The key to success of knowledge graph embedding models are the ability to model relation patterns including symmetry/antisymmetry, inversion, commutative composition and non-commutative composition. Although existing methods fail in modeling the non-commutative composition patterns, several approaches support this pattern by modeling beyond Euclidean space and complex space. Nevertheless, expanding to complicated spaces such as quaternion can easily lead to a substantial increase in the amount of parameters, which greatly reduces the computational efficiency. In this paper, we propose a new knowledge graph embedding method called RotateCT, which first transforms the coordinates of each entity, and then represents each relation as a rotation from head entity to tail entity in complex space. By design, RotateCT can infer the non-commutative composition patterns and improve the computational efficiency. Experiments on multiple datasets empirically show that RotateCT outperforms most state-of-the-art methods on link prediction and path query answering.",
}
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%0 Conference Proceedings
%T RotateCT: Knowledge Graph Embedding by Rotation and Coordinate Transformation in Complex Space
%A Dong, Yao
%A Wang, Lei
%A Xiang, Ji
%A Guo, Xiaobo
%A Xie, Yuqiang
%S Proceedings of the 29th International Conference on Computational Linguistics
%D 2022
%8 October
%I International Committee on Computational Linguistics
%C Gyeongju, Republic of Korea
%F dong-etal-2022-rotatect
%X Knowledge graph embedding, which aims to learn representations of entities and relations in knowledge graphs, finds applications in various downstream tasks. The key to success of knowledge graph embedding models are the ability to model relation patterns including symmetry/antisymmetry, inversion, commutative composition and non-commutative composition. Although existing methods fail in modeling the non-commutative composition patterns, several approaches support this pattern by modeling beyond Euclidean space and complex space. Nevertheless, expanding to complicated spaces such as quaternion can easily lead to a substantial increase in the amount of parameters, which greatly reduces the computational efficiency. In this paper, we propose a new knowledge graph embedding method called RotateCT, which first transforms the coordinates of each entity, and then represents each relation as a rotation from head entity to tail entity in complex space. By design, RotateCT can infer the non-commutative composition patterns and improve the computational efficiency. Experiments on multiple datasets empirically show that RotateCT outperforms most state-of-the-art methods on link prediction and path query answering.
%U https://aclanthology.org/2022.coling-1.436
%P 4918-4932
Markdown (Informal)
[RotateCT: Knowledge Graph Embedding by Rotation and Coordinate Transformation in Complex Space](https://aclanthology.org/2022.coling-1.436) (Dong et al., COLING 2022)
ACL