"Vaswani et al." refers to a group of researchers led by Ashish Vaswani who published a groundbreaking paper in 2017 titled "Attention is All You Need." This paper introduced the Transformer model, which revolutionized the field of natural language processing (NLP) by using self-attention mechanisms instead of traditional recurrent neural networks (RNNs). The Transformer model allows for more efficient processing of sequences, making it easier to handle long-range dependencies in text. The work of Vaswani et al. has had a significant impact on various applications in NLP, including machine translation, text summarization, and chatbots. The Transformer architecture has inspired numerous subsequent models, such as BERT and GPT, which have further advanced the capabilities of AI in understanding and generating human language.