Ranking structured objects and actions on a social networking system

作者: David Michael Proudfoot , Vladimir Federov , Wei Xu , Xin Liu

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摘要: A social networking system includes a mechanism for integrating user actions on objects outside of the in graph. External operators include widgets that, when executed by devices, record interactions that correspond to defined structure and objects. Information about is gathered from external systems as users interact with systems. Content items are ranked according information well preferences viewing users.