ResearchBenchmarksCandidate Generation on Amazon VideoGFollow14.4Retrieval CoverageOracle1.6084.9298.2511.571Jun 29, 2026Evaluation ResultsMethodMethodLinksRetrieval CoverageOracle2026.0614.4LHF2026.067.1LightGCN2026.064.7Best dense2026.064.6Pop.2026.064.2Two-tower2026.063.8SBERT2026.063.5TF-IDF2026.062.7ItemKNN2026.062.1