ResearchBenchmarksFirst stage retrieval on Commercial Search EngineFirst stage retrieval on Commercial Search EngineFollow18.4Relative GainANCE14.03215.16616.317.434Jul 1, 2020Evaluation resultsMethodMethodLinksRelative GainANCECorpus Size=250 Millio...Corpus Size=250 Million, Dimension=768, Search Method=KNN2020.0718.4ANCECorpus Size=8 Billion,...Corpus Size=8 Billion, Dimension=64, Search Method=ANN2020.0715.5ANCECorpus Size=8 Billion,...Corpus Size=8 Billion, Dimension=64, Search Method=KNN2020.0714.2