推荐技术栈
你在构建什么？Semantic search
每个位置一项技术，并说明推荐理由以及可以改用什么。
Embedding
conceptDense numeric vector representing the meaning of a piece of text.
Why editorial
Everything else in semantic search depends on the quality of the embedding: a weak one makes good ranking impossible.
Vector database
databaseOpen-source vector database with hybrid keyword and vector search built in.
Base model
modelEncoder-only Transformer pre-trained with masked language modelling.
Reranking
techniqueSecond-stage ordering of retrieved candidates by a more accurate scoring model.