RAG
中等
面试题库
RAG
中等
What are the different query transformation techniques that enhance user queries in RAG?
RAG
中等
Describe the vector pre-computation and storage strategy in a bi-encoder + cross-encoder pipeline. Why can't cross-encoders pre-compute text representations like bi-encoders can?
RAG
中等
If your RAG system serves both simple factual queries and complex analytical questions, how would you decide when to bypass the re-ranker for efficiency while maintaining quality?
RAG
中等
Describe a scenario where a BM25 retrieval might return relevant chunks but in poor ranking order. How would a neural re-ranker specifically address this limitation?
RAG
中等
What is the significance of Context Precision@K in evaluating a RAG retriever, and how does it differ from standard Precision@k in traditional information retrieval?
RAG
中等
How would the value of NDCG@k change if all relevant chunks are retrieved but in the reverse order (least to most relevant)?
RAG
中等
Compare and contrast “order-aware” and “order-unaware” retrieval metrics in RAG, giving examples for each from the set (Precision, Recall, MRR, MAP, NDCG)
RAG
中等
A RAG system achieves Context Precision@5 = 0.8. What are the possible scenarios that could lead to this score?
RAG
中等
Given a retrieval result where relevant chunks appear at positions 2, 4, 6, and 8 out of 10 total chunks, manually calculate the Context Precision@10. What does this score tell us about the retriever'
RAG
中等
Why does Context Precision@K use a weighted sum approach with relevance indicators, and how does this better reflect RAG retriever performance?
RAG
中等