Every article tagged Search, in one place.
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Vector search is great at meaning ("cancel my subscription" finds "how to end your plan") but weak at exact tokens: error codes, product SKUs, function names. Keyword search is the opposite. Hybrid search runs both and merges the results. Keyword search in Pos...
Embedding search compares a query vector with chunk vectors that were computed separately. It is fast, but it misses nuance. A reranker reads the query and each candidate chunk together and scores how well they match. It is slower, so you use it on a short lis...
For many apps, PostgreSQL's built-in full-text search is good enough to skip running a separate search engine. It handles stemming ("running" matches "run"), ranking and boolean queries. Core concepts SELECT to_tsvector('english', 'The runners were running qui...
