Compression & retrieval
How machines find and shrink meaning — and how the same problems recur when a person reads and summarises.
Across 2 topics: Gist · Docent
Why summaries lie by omission
What a good gist keeps — and what it quietly throws away.
Gist · Jul 2026
RAG is mostly retrieval
The model is the easy part; the index is where the real work lives.
Docent · Jun 2026