Update README.md

README.md

@@ -23,6 +23,8 @@ OccCANINE is a version of [CANINE](https://huggingface.co/google/canine-s) which
 
 See more on: [GitHub.com/christianvedels/OccCANINE](https://github.com/christianvedels/OccCANINE)
 
+Read the paper on arXiv: [https://arxiv.org/abs/2402.13604](https://arxiv.org/abs/2402.13604)
+
 ## Key Features
 - **High Accuracy**: Over 90% accuracy, recall, and precision.
 - **Multilingual Support**: Trained on 14 million description-HISCO code pairs across 13 languages.