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Eight of them, each doing something a pipeline actually has to do, and each starting from something anyone can fetch — a public domain book from Project Gutenberg, a NASA broadcast, or a sample carried in the file. Shell, because the tools are filters first: a book to passages and what its notes cite; a recording to chapter marks, citable passages and the one ffmpeg call that makes it play on a phone; passages into pgvector and a search that asks twice and reconciles. Rust, for the case where the caller already holds the text and a subprocess would be serialising for nothing. Python, for the shape a pipeline stage takes once the reading is a library call. TypeScript, for the app side — chapter marks and deep links, and fusing two rankings in process. Three of them end with what re-ranking means, because it is two different things under one name: fusing ranked lists, which is what `rrf` does and needs no model, and a cross-encoder scoring query and passage together, which is accurate, slow, and runs over what retrieval already found.
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4 lines
60 B
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typescript/node_modules/
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typescript/package-lock.json
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