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Given the following code snippet in Langchain, what will be the output type of results?

medium📝 component behavior Q13 of 15
LangChain - RAG Chain Construction
Given the following code snippet in Langchain, what will be the output type of results? 
hybrid_search = HybridSearch(keyword_searcher, semantic_searcher)
results = hybrid_search.search('apple')
AA single document matching the keyword exactly
BA boolean indicating if 'apple' exists in the database
CA list of documents ranked by combined keyword and semantic relevance
DAn error because HybridSearch has no search method
Step-by-Step Solution
Solution:

  1. Step 1: Understand HybridSearch.search()

    The search method returns multiple documents ranked by relevance.

  2. Step 2: Combine keyword and semantic results

    Hybrid search merges keyword and semantic scores to rank documents.

  3. Final Answer:

    A list of documents ranked by combined keyword and semantic relevance -> Option C

  4. Quick Check:

    Hybrid search returns ranked document list [OK]
Quick Trick: Hybrid search returns ranked lists, not single items [OK]
Common Mistakes:
  • Expecting a single document instead of a list
  • Thinking it returns a boolean
  • Assuming HybridSearch lacks a search method

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