This is an implementation of word rotator's distance (WRD), a simple yet effective textual similarity measure based on optimal transport. The paper is available online and will be presented at EMNLP 2020.
More details coming soon!
Currently, the latest version is available on arXiv (URL).
The PDF on the ACL anthology will be updated at a later date (URL, GitHub issue).
If you use our code for academic work, please cite
@inproceedings{yokoi-emnlp2020-wrd,
title = "Word Rotator{'}s Distance",
author = "Yokoi, Sho and
Takahashi, Ryo and
Akama, Reina and
Suzuki, Jun and
Inui, Kentaro",
booktitle = "Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP)",
month = nov,
year = "2020",
address = "Online",
publisher = "Association for Computational Linguistics",
url = "https://www.aclweb.org/anthology/2020.emnlp-main.236",
doi = "10.18653/v1/2020.emnlp-main.236",
pages = "2944--2960",
}