DeepRecSys, семинар 8: RecSys Challenge 2025

Lecture: Kirill Khrylchenko Seminar: Sergei Makeev and Alexandr Andreev This week we finish our discussion of transformer models and then proceed to graph neural networks for recommendations: 1. Transformer models for recommendations at Yandex 2. User-item bipartite graph models - NGCF, LightGCN 3. GraphSAGE and Pinterest ecosystem - random walks with Pixie, PinSage, MultiBiSage During the seminar, Sergei and Alexandr present our 4'th place solution at RecSys Challenge 2025. https://github.com/KhrylchenkoKirill/DeepRecSys