The approach is based on hypothetical document embeddings (HyDE). Here is a good description of it in the context of langchain: https://python.langchain.com/doc

The approach is based on hypothetical document embeddings (HyDE). Here is a good description of it in the context of langchain: https://python.langchain.com/docs/use_cases/question_answering/how_to/hyde https://python.langchain.com/docs/use_cases/question_answeri... The original paper proposing this technique can be found here: https://arxiv.org/pdf/2212.10496.pdf https://arxiv.org/pdf/2212.10496.pdf