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LlamaIndex

LlamaIndex is the leading data framework for building LLM applications

Installation and Setup​

You need to install the llama-index python package.

pip install llama-index

See the installation instructions.

Retrievers​

LlamaIndexRetriever​

It is used for the question-answering with sources over an LlamaIndex data structure.

from langchain_community.retrievers.llama_index import LlamaIndexRetriever
API Reference:LlamaIndexRetriever

LlamaIndexGraphRetriever​

It is used for question-answering with sources over an LlamaIndex graph data structure.

from langchain_community.retrievers.llama_index import LlamaIndexGraphRetriever

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