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- W3211118950 abstract "The purpose of Inventory Pricing is to bid the right prices to online ad opportunities, which is crucial for a Demand-Side Platform (DSP) to win advertising auctions in Real-Time Bidding (RTB). In the planning stage, advertisers need the forecast of probabilistic models to make bidding decisions. However, most of the previous works made strong assumptions on the distribution form of the winning price, which reduced their accuracy and weakened their ability to make generalizations. Though some works recently tried to fit the distribution directly, their complex structure lacked efficiency on online inference, which is critical for advertising systems. In this paper, we devise a novel loss function, Neighborhood Likelihood Loss (NLL), collaborating with a proposed framework, Arbitrary Distribution Modeling (ADM), to predict the winning price distribution under censorship with no pre-assumption required. We conducted experiments on two real-world experimental datasets and one large-scale, non-simulated production dataset in our system. Experiments showed that ADM outperformed the baselines both on algorithm and business metrics. This method has been released for one year and led to good yield in our system. Without any pre-assumed specific distribution form, ADM showed significant advantages in effectiveness and efficiency, demonstrating its great capability in modeling sophisticated price landscapes." @default.
- W3211118950 created "2021-11-08" @default.
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- W3211118950 date "2022-08-14" @default.
- W3211118950 modified "2023-09-30" @default.
- W3211118950 title "Arbitrary Distribution Modeling with Censorship in Real-Time Bidding Advertising" @default.
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- W3211118950 doi "https://doi.org/10.1145/3534678.3539048" @default.
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