A Unified Temporal Knowledge Graph Reasoning Model Towards Interpolation and Extrapolation

Kai Chen, Ye Wang, Yitong Li, Aiping Li, Han Yu, Xin Song


Abstract
Temporal knowledge graph (TKG) reasoning has two settings: interpolation reasoning and extrapolation reasoning. Both of them draw plenty of research interest and have great significance. Methods of the former de-emphasize the temporal correlations among facts sequences, while methods of the latter require strict chronological order of knowledge and ignore inferring clues provided by missing facts of the past. These limit the practicability of TKG applications as almost all of the existing TKG reasoning methods are designed specifically to address either one setting. To this end, this paper proposes an original Temporal PAth-based Reasoning (TPAR) model for both the interpolation and extrapolation reasoning settings. TPAR performs a neural-driven symbolic reasoning fashion that is robust to ambiguous and noisy temporal data, and with fine interpretability as well. Comprehensive experiments show that TPAR outperforms SOTA methods on the link prediction task for both the interpolation and the extrapolation settings. A novel pipeline experimental setting is designed to evaluate the performances of SOTA combinations and the proposed TPAR towards interpolation and extrapolation reasoning. And more diverse experiments are conducted to show the robustness and interpretability of TPAR.
Anthology ID:
2024.acl-long.8
Volume:
Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
Month:
August
Year:
2024
Address:
Bangkok, Thailand
Editors:
Lun-Wei Ku, Andre Martins, Vivek Srikumar
Venue:
ACL
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
117–132
Language:
URL:
https://aclanthology.org/2024.acl-long.8
DOI:
10.18653/v1/2024.acl-long.8
Bibkey:
Cite (ACL):
Kai Chen, Ye Wang, Yitong Li, Aiping Li, Han Yu, and Xin Song. 2024. A Unified Temporal Knowledge Graph Reasoning Model Towards Interpolation and Extrapolation. In Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), pages 117–132, Bangkok, Thailand. Association for Computational Linguistics.
Cite (Informal):
A Unified Temporal Knowledge Graph Reasoning Model Towards Interpolation and Extrapolation (Chen et al., ACL 2024)
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PDF:
https://aclanthology.org/2024.acl-long.8.pdf