Use this guide as a launch point. Don't limit yourself to this guide; it is not comprehensive. Use the 'Find Articles' and 'Finding E-Books' tutorials to do your own database searches.
"ChatGPT (Chat Generative Pre-trained Transformer) is a chatbot launched by OpenAI in November 2022. It is built on top of OpenAI's GPT-3 family of large language models, and is fine-tuned (an approach to transfer learning) with both supervised and reinforcement learning techniques." - Wikipedia