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2020-09-22 09:57:45
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文档简介：
MethodstoImproveCTRPrediction——WhereareWe?ObjectiveFunctionsMetriclearningSelectionbiasLong-termrewardsCombinedwithInfrastructureOnlinelearningServingwithmodelparallelServingwithGPUsFeaturesandDataMultiplemodalitiesFeatureinteractionsAvoidover-fittingUserbehaviorsVisualFeaturesTextfeaturesIdandrealnumberfeatures𝐶𝑇𝑅=𝑃𝑐𝑙𝑖𝑐𝑘𝑖𝑚𝑝𝑟𝑒𝑠𝑠𝑖𝑜𝑛)=𝑓(𝑞𝑢𝑒𝑟𝑦,𝑢𝑠𝑒𝑟,𝑖𝑡𝑒𝑚,𝑐𝑜𝑛𝑡𝑒𝑥𝑡)
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