Offered By: IBMSkillsNetwork

Build a Smarter Search with LangChain Context Retrieval

Develop an information retrieval system to efficiently retrieve relevant text segments from large collections of documents using LangChain. You'll learn to use four types of retrievers: the Vector Store-backed Retriever for semantic similarity, the Multi-Query Retriever for varied queries, the Self-Querying Retriever for automatic query refinement, and the Parent Document Retriever for maintaining context. By the project's end, you'll be equipped to implement these retrievers in your own projects, enhancing information retrieval beyond traditional keyword-based methods.

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Guided Project

Artificial Intelligence

95 Enrolled
4.9
(29 Reviews)

At a Glance

Develop an information retrieval system to efficiently retrieve relevant text segments from large collections of documents using LangChain. You'll learn to use four types of retrievers: the Vector Store-backed Retriever for semantic similarity, the Multi-Query Retriever for varied queries, the Self-Querying Retriever for automatic query refinement, and the Parent Document Retriever for maintaining context. By the project's end, you'll be equipped to implement these retrievers in your own projects, enhancing information retrieval beyond traditional keyword-based methods.

Imagine you are working on a project that involves processing a large collection of text documents, such as research papers, legal documents, or customer service logs. Your task is to develop a system that can quickly retrieve the most relevant segments of text based on a user's query. Traditional keyword-based search methods might not be sufficient, as they often fail to capture the nuanced meanings and contexts within the documents. To address this challenge, you can use different types of retrievers based on LangChain.

A Look at the Project Ahead


In this guided project, you will learn how to use various retrievers to efficiently extract relevant document segments from text using LangChain.
You will learn to:
  • Use four types of retrievers in LangChain to efficiently extract relevant document segments from text
  • Apply the Vector Store-backed Retriever to solve problems involving semantic similarity and relevance in large text datasets.
  • Utilize the Multi-Query Retriever to address situations where multiple query variations are needed to capture comprehensive results.
  • Implement the Self-Querying Retriever to automatically generate and refine queries, enhancing the accuracy of information retrieval.
  • Employ the Parent Document Retriever to maintain context and relevance by considering the broader context of the parent document.

By the end of this project, you will be equipped with the skills to implement and utilize these retrievers in your projects.

What You'll Need


To successfully engage in this Guided Project, it's important to have a familiarity with Python, as the project involves coding tasks that require understanding of basic Python syntax and concepts. Additionally, a modern web browser is necessary to access the lab.

Certificate

No Certificate Offered

Estimated Effort

60 Minutes

Level

Intermediate

Industries

Skills You Will Learn

Embedding, Information Retrieval, LangChain, Python, RAG, watsonx

Language

English

Course Code

GPXX0PY9EN

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