Is The Limit Parameter Used to Retrieve Top_k?

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Hello @mhendy25 :wave:,

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The limit parameter you're referring to in the multimodal retrieval function doesn't seem to control the number of returned documents. Instead, the number of returned documents is determined by the top_k parameter in the AmazonKendraRetriever class, which is set to 3 by default.

To retrieve top_k documents, you can set the top_k parameter to your desired value when initializing the AmazonKendraRetriever class. Here's an example:

retriever = AmazonKendraRetriever(
    index_id="c0806df7-e76b-4bce-9b5c-d5582f6b1a03",
    top_k=10  # Set this to your desired value
)

This will return the top 10 documents instead of the default 3. Please note that the actual number of returned documents may be less than top_k if there are not enough documents that match the query.

As for the exact role of the limit parameter in the multimodal retrieval function, I wasn't able to find a clear answer within the repository. It's possible that it serves a different purpose or it might be a leftover from a previous version of the code. If you have further questions or need more clarification, please provide more details.

You can find more information about the top_k parameter in the AmazonKendraRetriever class in the kendra.py file.

Sources

libs/community/langchain_community/retrievers/kendra.py

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langchain-ai / langchain

Is The Limit Parameter Used to Retrieve Top_k? #15511

Sources