Qdrant

Resources

• https://qdrant.tech/articles/sparse-vectors/
• https://qdrant.tech/articles/hybrid-search/
• https://qdrant.tech/documentation/advanced-tutorials/reranking-hybrid-search/

MRR = average of 1/rank of first relevant document

$\text{Recall@k}=\frac{\text{nmber of queries with relevant doc in top k}}{\text{total queries}}$