Fundamentos de los Agentes Inteligentes y LangChain
Introducci贸n a LangChain
Agiliza procesos usando Agentes AI
Agentes inteligentes de LangChain
Instalaci贸n y configuraci贸n de LangChain
Quiz: Fundamentos de los Agentes Inteligentes y LangChain
Chat Models y Prompt templates
Chat Messages con OpenAI
Introducci贸n a los modelos de chat
Output parsers
Prompt templates en LangChain
Tipos de ChatTemplates: Few-Shot Prompting
Quiz: Chat Models y Prompt templates
Cadenas en LangChain
Introducci贸n a Chains y LCEL
Chat con historial
Integraci贸n de cadena: Runnable y OutputParser
Chat Memory
Implementaci贸n de memoria en cadenas
Quiz: Cadenas en LangChain
Carga de documentos en LangChain
Cargar HTML y Directorio con LangChain
Carga de PDF y CSV con LangChain
Text Splitters
Quiz: Carga de documentos en LangChain
Retrieval-augmented generation (RAG)
VectorStore: Chroma
Introducci贸n a Embeddings
Vectorstore: Pinecone
Chatbot RAG: carga de documentos a Vectorstore
Chatbot RAG: prompt templates, cadenas y memoria
Quiz: Retrieval-augmented generation (RAG)
Agentes en LangChain
Construcci贸n de agentes en LangChain
LangChain Tools
Construcci贸n de agentes con memoria
Quiz: Agentes en LangChain
Ecosistema de LangChain
Ecosistema de LangChain
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In this class, we have explored how LangChain handles chat history, allowing the language model to maintain continuous context during a conversation. This functionality is key to building intelligent conversational systems, as the chat history stores previous interactions, allowing the model to generate more accurate, contextual and personalized responses.
The chat history acts as a memory that stores every message exchanged between the user and the model. This allows the model:
To manage the chat history, we first create an empty list that will store each message generated during the interaction. This list contains not only the content of the messages, but also the role (user, system or AI model) to identify who generated each part of the dialog.
In each interaction, the basic flow is as follows:
This process is repeated continuously, adding each new interaction to the history, which ensures that the model maintains the context of the entire conversation.
During the exercise, we saw how to interact with the model in real time and how the conversation history is updated with each new message. We showed how to print and review the complete history, which contains the system context, user input and model responses. This history allows the wizard to recall and track each query in a logical and consistent manner.
In addition to basic message storage, LangChain offers the ability to integrate chains (component chains) to customize interactions and responses. For example, you can add chains that include additional functions, such as search tools, machine translation or parsers that format the model output. These strings allow responses to be further tailored to the user's needs and the context of the conversation.
LangChain's chat history management is essential for building advanced conversational systems that can remember and reference previous interactions. This not only improves the quality and relevance of responses, but also provides a more fluid and natural experience for the user.
This type of conversational flow is critical in applications such as:
The challenge I leave you with is to explore how to integrate chains into your application so that you can customize the model's responses based on the conversation history. This will allow you to take full advantage of LangChain's flexibility and power to create smarter and more effective conversational experiences.
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