ResearchBenchmarksCross-domain recommendation on Amazon Reviews Music → BooksFollow0.8298MAEEviSnap0.8160720.9087361.00141.094064Jan 9, 2026Evaluation ResultsMethodMethodLinksMAERMSEEviSnap2026.010.82981.0446DeepCoNN+2026.010.85481.0736MACDR2026.010.85791.0921HeroGraph2026.010.8861.121PTUPCDR2026.011.08091.4276EMCDR2026.011.1731.4954