top | item 45594413 How Retrieval Works in Modern Ranking Systems 1 points| semi_sentient | 4 months ago |shaped.ai 1 comment order hn newest semi_sentient|4 months ago Retrieval is the stage where a ranking system narrows billions of items down to a few hundred candidates, fast enough for real-time use. It’s the least visible but most constrained layer: latency budgets, freshness, and recall all collide here.
semi_sentient|4 months ago Retrieval is the stage where a ranking system narrows billions of items down to a few hundred candidates, fast enough for real-time use. It’s the least visible but most constrained layer: latency budgets, freshness, and recall all collide here.
semi_sentient|4 months ago