Invention Grant
US08996495B2 Method and system for ranking search results based on category demand normalized using impressions 有权
基于使用展示归一化的类别需求对搜索结果进行排名的方法和系统

Method and system for ranking search results based on category demand normalized using impressions
Abstract:
Described herein are methods and systems for promoting item listings that satisfy a query based on the item listings being assigned to certain categories that have, based on historical click data, exhibited high demand characteristics for the query. Consistent with some embodiments, a certain number of leaf-level categories are identified based on demand data for those categories, and the item listings assigned to those categories are promoted through a normalized weighting factor derived in part based on the click probability score associated with the category, clicks per impression rate, and weighted clicks per impression by ranking rate.
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