Hugging Face provides a step-by-step guide on how to train and fine-tune sentence transformers models using their library. The article covers the basics of sentence transformers, including how they work and what they are used for. It then delves into the process of training these models from scratch or fine-tuning pre-trained ones. The authors also discuss how to evaluate model performance and provide code examples in Python. --- Why it matters: This matters because sentence transformers are crucial for many NLP tasks, such as text classification and clustering. By being able to train and fine-tune these models effectively, researchers and engineers can improve the accuracy of their applications. Source: https://huggingface.co/blog/how-to-train-sentence-transformers