Neo4j, Graph, Llm, Langchain, ChatGPT.
(LCEL) to define an agent. llm = ChatOpenAI(temperature=0, model="gpt-4", streaming=True) tools = [InformationTool(), RecommenderTool(), MemoryTool()] llm_with_tools = llm.bind(functions=[format_tool_to_openai_function(t) for t in tools]) prompt = ChatPromptTemplate.from_messages( [ ( "system",