this paper by the university Waterloo go in similar direction Text Classification: A Parameter-Free Classification Method with Compressors https://aclanthology.

this paper by the university Waterloo go in similar direction Text Classification: A Parameter-Free Classification Method with Compressors https://aclanthology.org/2023.findings-acl.426.pdf https://aclanthology.org/2023.findings-acl.426.pdf i post also this short video because correct few numbers who where miss calculated in the paper and show little less optimize and simpler implementations who still works well https://youtu.be/jkdWzvMOPuo?si=K1VRtJ5BtqREa2mz https://youtu.be/jkdWzvMOPuo?si=K1VRtJ5BtqREa2mz source code implementations of the video https://github.com/Sentdex/Simple-kNN-Gzip https://github.com/Sentdex/Simple-kNN-Gzip