https://pwaabdullah.github.io/tags/machine-learning/ Recent content in Machine Learning on Abdullah Al Mamun https://pwaabdullah.github.io/og-default.png https://pwaabdullah.github.io/og-default.png Hugo en newabdullah 2025 Tue, 11 Mar 2025 00:00:00 +0000 https://pwaabdullah.github.io/posts/the-evaluation-of-recsys-part-2/ Tue, 11 Mar 2025 00:00:00 +0000 https://pwaabdullah.github.io/posts/the-evaluation-of-recsys-part-2/ Part 2 of the RecSys series. Factorization Machines generalize matrix factorization to arbitrary feature spaces, and XGBoost brings non-linear ranking via gradient-boosted trees. We cover the math, loss functions, strengths, and the limitations that drove the field toward deep learning.