https://heather-song-blog.com/tags/neural-networks/Neural-Networks - Tag -Hugo -- gohugo.ioenSat, 28 Mar 2026 00:00:00 +0000https://heather-song-blog.com/posts/youtube-dnn-recommendations/Sat, 28 Mar 2026 00:00:00 +0000xxxxhttps://heather-song-blog.com/posts/youtube-dnn-recommendations/Two-stage retrieval + ranking architecture, dynamic user embeddings, watch-time optimization, and the elegance of softmax-to-ANN inference