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Building Data-Driven Applications with LlamaIndex

You're reading from   Building Data-Driven Applications with LlamaIndex A practical guide to retrieval-augmented generation (RAG) to enhance LLM applications

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Product type Paperback
Published in May 2024
Publisher Packt
ISBN-13 9781835089507
Length 368 pages
Edition 1st Edition
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Author (1):
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Andrei Gheorghiu Andrei Gheorghiu
Author Profile Icon Andrei Gheorghiu
Andrei Gheorghiu
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Table of Contents (18) Chapters Close

Preface 1. Part 1:Introduction to Generative AI and LlamaIndex FREE CHAPTER
2. Chapter 1: Understanding Large Language Models 3. Chapter 2: LlamaIndex: The Hidden Jewel - An Introduction to the LlamaIndex Ecosystem 4. Part 2: Starting Your First LlamaIndex Project
5. Chapter 3: Kickstarting Your Journey with LlamaIndex 6. Chapter 4: Ingesting Data into Our RAG Workflow 7. Chapter 5: Indexing with LlamaIndex 8. Part 3: Retrieving and Working with Indexed Data
9. Chapter 6: Querying Our Data, Part 1 – Context Retrieval 10. Chapter 7: Querying Our Data, Part 2 – Postprocessing and Response Synthesis 11. Chapter 8: Building Chatbots and Agents with LlamaIndex 12. Part 4: Customization, Prompt Engineering, and Final Words
13. Chapter 9: Customizing and Deploying Our LlamaIndex Project 14. Chapter 10: Prompt Engineering Guidelines and Best Practices 15. Chapter 11: Conclusion and Additional Resources 16. Index 17. Other Books You May Enjoy

Hands-on – building quizzes in PITS

One of the features we are building in our PITS project is the ability to generate quizzes based on the learning material uploaded by the user.

These quizzes will initially be used to gauge the overall knowledge of the user on the topic. Based on that assessment, the training slides and narration will be adjusted to the level of the learner.

The same mechanism can also be used to generate intermediate quizzes at the end of each section to test the user’s current knowledge. Let’s see how we can easily implement the quiz builder feature.

We’ll be using one of the LlamaIndex pre-packaged pydantic programs: the DataFrame Pydantic extractor. This is designed to extract tabular DataFrames from raw text.

Let’s have a look at the code in quiz_builder.py:

from llama_index.core import load_index_from_storage, StorageContext
from llama_index.program.evaporate.df import DFRowsProgram
from llama_index.program...
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