NLP, LLMs, RAG e IA Generativa

código Python usando LangChain: 1 from langchain.text_splitter import RecursiveCharacterTextSplitter 2 from langchain.embeddings import OpenAIEmbeddings 3 from langchain.vectorstores import FAISS 4 from langchain.llms import OpenAI 5 from langchain.chains import RetrievalQA 6 7 # Carregamento de documentos jurídicos 8 documentos = carregar_acordaos() # Retorna lista de documentos 9 10 # Fragmentação dos documentos 11 text_splitter = RecursiveCharacterTextSplitter( 12 chunk_size=5000, 13 chunk_overlap=0 14 ) 15 chunks = text_splitter.split_documents(documentos) 16 17 # Criação do índice vetorial 18 embeddings = OpenAIEmbeddings() 19 vectorstore = FAISS.from_documents(chunks, embeddings) 20…