ResearchBenchmarksCold Content Delivery (CCD) Retrieval on Commercial Recommendation System Period P2Cold Content Delivery (CCD) Retrieval on Commercial Recommendation System Period P2Follow12.08Recall@1000HSTU7.35848.58429.8111.0358Feb 18, 2026Evaluation resultsMethodMethodLinksRecall@1000HSTU2026.0212.08MFLI2026.0211.86MTMH2026.028.18HLLM2026.027.97MoL2026.027.6VQIndex2026.027.6NeuCF2026.027.54