#retrieval
3 posts tagged “retrieval”. All writing →
- The lineup problem: an opportunity for late interaction in recsys
A single dense vector quietly breaks down on rich items and compound user profiles. Tested across a full NBA season, late interaction (still rare in recsys) is the only retrieval method that holds up.
- We don't need to compromise on freshness in retrieval
Why I'm excited about TopK's semantic_index: most retrieval systems buy quality by trading away freshness. Co-designing the model, inference engine, and database lets you keep both.
- Late interaction has no LIMIT
The LIMIT benchmark is held up as evidence that multi-vector models struggle. I tried to reproduce it — and found late interaction is embarrassingly good at exactly this task.