postgres-semantic-search
PostgreSQL-based semantic and hybrid search with pgvector and ParadeDB.
Use when implementing vector search, semantic search, hybrid search,
or full-text search in PostgreSQL. Covers pgvector indexing, hybrid
FTS/BM25 + RRF, ParadeDB, reranking, halfvec, multilingual search,
query translation, and domain evals.
Triggers: pgvector, vector search, semantic search, hybrid search,
embedding search, PostgreSQL RAG, BM25, RRF, HNSW index, similarity
search, ParadeDB, pg_search, reranking, Cohere rerank, Voyage rerank,
graceful fallback, iterative_scan, filtered HNSW, websearch_to_tsquery,
unaccent, multilingual FTS, pg_trgm, trigram, fuzzy search, LIKE, ILIKE,
autocomplete, typo tolerance, fuzzystrmatch, evaluation, benchmarking,
Hit@K, MRR, halfvec cast, cross-lingual retrieval, non-English corpus,
per-language indexing, query translation, RRF fusion across languages
Backend & APIs16 files