Advanced Search Techniques
Advanced30 min
Pure vector search misses exact keywords and acronyms. Combine dense and sparse retrieval, query rewriting, and metadata filters for better recall.
Hybrid searchBM25 + denseQuery expansionMetadata filtering
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Weaviate Hybrid Search: BM25 + Vectors + Schema Fields
Professor Py · 8 min
Hybrid search: combining keyword and vector search
ArticleWeaviate