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Retrieval-augmented generation (RAG) is a technique that grants generative artificial intelligence models information retrieval capabilities. It modifies interactions with a large language model (LLM) so that the model responds to user queries with reference to a specified set of documents, using this information to augment information drawn from its own vast, static training data.
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In information retrieval, Okapi BM25 (BM is an abbreviation of best matching) is a ranking function used by search engines to estimate the relevance of documents to a given search query.
LangChain was launched in October 2022 as an open source project by Harrison Chase, while working at machine learning startup Robust Intelligence. The project quickly garnered popularity, [3] with improvements from hundreds of contributors on GitHub, trending discussions on Twitter, lively activity on the project's Discord server, many YouTube tutorials, and meetups in San Francisco and London.
The safetensors format was developed around 2021 to solve problems with the pickle format in python. It was designed for saving and loading tensors. Compared to pickle format, it allows lazy loading, and avoids security problems. [22] After a security audit, it became the default format in 2023. [23] The file format:
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An only child, Dreyer was born in Houston, Texas, on August 1, 1945, the son of Martin Dreyer and Margaret Lee Webb.He attended Bellaire High School, where he studied theater with noted teacher and director Cecil Pickett – who later taught at the University of Houston and whose students included actors Dennis and Randy Quaid and Cindy Pickett.