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Cross-Domain

Jan 9, 2026 Recommendation Systems 15 min read

Recommendation Systems (14): Cross-Domain Recommendation and Cold-Start Solutions

Cold-start and cross-domain recommendation in depth: the three faces of cold-start, EMCDR/PTUPCDR cross-domain bridges, MeLU/MAML meta-learning, UCB bandits for exploration, and the cold-to-warm production stack.