from langchain.agents.format_scratchpad import format_to_openai_function_messages from langchain.agents.output_parsers import OpenAIFunctionsAgentOutputParser analyst_agent = ( { "question": lambda x: x["question"], "agent_scratchpad": lambda x: format_to_openai_function_messages(x["intermediate_s...
图 查询分析 Query analysis,图源:https://langchain.com/ 解决的问题 查询分析有助于优化发送给检索器的搜索查询。这种情况可能是: 检索器支持针对数据的具体字段进行搜索和筛选,而用户输入可能涉及这些字段的任意一个, 用户输入包含多个独立的查询, 为了获取相关信息,需要进行多个查询, 搜索质量对措辞敏感, 存在多个...
A standout feature of LangChain is the availability of ready-to-use chains. These chains are structured combinations of components tailored for specific high-level tasks, such as chatbots, question-answering, data analysis, and more. They serve as a user-friendly entry point for individuals look...
LangChain is a framework designed to simplify the creation of applications using LLMs. Its use cases largely overlap with LLMs, in general, providing functions like document analysis and summarization, chatbots, and code analysis. Being agentic and data-aware means it can dynamically connect differ...
LLM应用架构实战:基于LangChain的企业级最佳实践,前言随着ChatGPT等大语言模型的广泛应用,越来越多的企业开始将LLM整合到其业务系统中。然而,从概念验证(PoC)到生
以下是一个基于LangChain的Token管理实现示例: classTokenManager:def__init__(self, model_name, max_tokens): self.max_tokens = max_tokens self.token_buffer = max_tokens *0.2# 预留20%缓冲区defsplit_text(self, text, chunk_size):"""智能文本分段"""chunks = [] ...
LangChain是一个基于大型语言模型(LLM)构建应用程序的开源框架,提供了工具和抽象以定制和提高模型生成的信息的准确性和相关性。开发者可以使用LangChain组件创建新的提示链或自定义现有模板,同时也允许LLM访问新的数据集,而无需重新训练。 在这个项目中,我使用YahooFinanceNewsTool获取股票信息,并访问Groq和OpenAI模型。
Explore Guide to LLM chatbots: Real-life applications, building techniques and LangChain’s finetuning Task Variety LLM leaderboards evaluate models on a diverse range of tasks to ensure comprehensive assessment. This variety helps in understanding the model’s capabilities across different applications...
在开源软件方面,LangChain (LangChain, 2024)和LlamaIndex (LlamaIndex, 2024)库都支持多种图形数据库,而更通用的基于图形的RAG应用程序也正在兴起,包括可以在Neo4J (NaLLM, Neo4J, 2024)和星云图(GraphRAG,星云图,2024)格式下创建和推理知识图的系统。然而,与我们的Graph RAG方法不同,这些系统都没有使用图的...
Explore the untapped potential of Large Language Models with LangChain, an open-source Python framework for building advanced AI applications.