A product code needs exact matching while descriptions need semantic matching.
Combine search strengths.
Choose two designs.
Hybrid search combines keyword and vector candidates, then evaluates ranking, latency, cost, and authorization filtering.
Detailed explanation
Exact terms need evaluation.
Exact terms and semantic similarity are covered.
The tradeoff is measurable.
Unauthorized documents may appear.
Check official documentation
Compare the following points with the official documentation.
AWS公式AIF-C01 Domain 3.1のキーワード検索、ベクトル検索、ハイブリッド検索を確認する。
Official references
What to confirm
固有語と意味検索の要件から検索方式を選び、認可を維持して比較できる。
Key points
- Keyword
- Vector
- Reranking
Notes
- Environment: AWS公式AIF-C01試験ガイドとAWS公式ドキュメントの確認
- Compare the definition with the AIF-C01 objective and the service documentation before applying it.
- Keep the concept separate from a particular answer choice or implementation step.
Foundation review
Hybrid search
Combining lexical and vector retrieval signals in one search workflow.
Exact match
A retrieval match based on the same token, identifier, or phrase.