Retrieve semantically related content
Find stored material related to the meaning of a query.
Desired outcome
Relevant stored items with retrieval evidence or scores.
Explore from the outcome
Where this function can lead
These documented connections are starting points for selection, not a ranked list.
Ways to do it
Methods that can help achieve this outcome.
- Dense-vector similarity search
Compare encoded representations to locate nearby indexed items.
Link evidence: Qdrant Documentation: Overview
Tools and services
Software or services that can put a method to work.
- pgvector
PostgreSQL extension for exact and approximate vector similarity search.
Link evidence: pgvector project documentation
- Qdrant
Vector search engine used to index and retrieve representations.
Link evidence: Qdrant Documentation: Overview
Typical inputs
- A query and indexed content
Typical outputs
- Ranked or selected results
Sources
Last reviewed 2026-09-29