Indexing user-defined minutiae
    3.
    发明授权

    公开(公告)号:US10339125B2

    公开(公告)日:2019-07-02

    申请号:US14449622

    申请日:2014-08-01

    Applicant: Facebook, Inc.

    Abstract: In one embodiment, a computing device receives text input from a user. The computing device determines an action by the user indicated in the text, and at least a part of a phrase in the text that indicates one or more topics associated with the action. The computing device determines whether the at least part of a phrase matches one or more phrases stored in an indexed database. When the at least part of a phrase does not match one or more phrases of the indexed database, then the computing device determines a complete phrase input by the user, and determines one or more topics to be associated with the complete phrase. The computing device stores the complete phrase as an instance of the complete phrase. The computing device determines whether at least a threshold number of instances of the complete phrase has been stored.

    Prompt ranking
    10.
    发明授权

    公开(公告)号:US10419381B2

    公开(公告)日:2019-09-17

    申请号:US15251493

    申请日:2016-08-30

    Applicant: Facebook, Inc.

    Abstract: In one embodiment, a method includes accessing a number of candidate notifications stored on the social-networking system. Each of the candidate notifications includes a prompt to perform an action on the social-networking system. The method also includes generating a user feature vector quantifying features of the user; and assessing, using a machine-learning model, one or more feature vectors in order to calculate an interaction score for each of the candidate notifications. The one or more feature vectors includes the user feature vector. The method also includes ranking each of the candidate notifications based at least in part on the respective calculated interaction score; and providing, based at least in part on the ranking, one or more of the candidate notifications to a client device of the user. Each of the provided candidate notifications satisfies a pre-determined threshold value.

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