Nested CTR-PTR Modeling for Sparse Purchase Prediction in Sponsored Search
Greg Kocher
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Marginal Expected Revenue for Jointly Ranking Auction and Fixed-Price Listings in E-Commerce Sponsored Search
This work extends the familiar fixed-price eCPM to auction dynamics, allowing unified ranking of fixed-price, auction, and ABIN listings under a single objective, and describes a practical production implementation that approximates this objective, addressing cold-start challenges by bootstrapping from existing engagem...
Greg Kocher, Sanjana Arun
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