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    METHOD AND ARRANGEMENT FOR PROCESSING DATA
    2.
    发明公开
    METHOD AND ARRANGEMENT FOR PROCESSING DATA 审中-公开
    数据处理的方法和设备

    公开(公告)号：EP2622544A4

    公开(公告)日：2016-03-09

    申请号：EP10857952

    申请日：2010-09-29

    Applicant: ERICSSON TELEFON AB L M

    Inventor： BJÖRK JONAS ,  SUNDLÖF CARL-FREDRIK ,  MORITZ SIMON

    IPC: G06N99/00 ,  G06F12/02 ,  G06F15/18 ,  G06F17/30 ,  G06K9/62

    CPC classification number: G06N99/005 ,  G06F15/18 ,  G06F17/30306 ,  G06K9/6256

    Abstract: A method and arrangement for processing data when training a data model involving multiple iterations of data records in a dataset (400c, 606) stored in a database (400, 600). Memory space (400d, 608) is allocated in the database for maintaining the data model during the training operation. The data records in the dataset are read (4:3) directly from the database for each iteration, and the data model is trained (4:4) inside the database by repeatedly applying the read data records in the training operation and updating (4:5) the data model. It is also checked (4:6) whether the updated data model has converged according to a predefined convergence condition. The data model is eventually saved (4:7) once the data model has converged.

    DOUBLE WEIGHTED CORRELATION SCHEME
    5.
    发明专利
    DOUBLE WEIGHTED CORRELATION SCHEME 未知

    公开(公告)号：CA2738421A1

    公开(公告)日：2010-04-01

    申请号：CA2738421

    申请日：2008-09-29

    Applicant: ERICSSON TELEFON AB L M

    Inventor： LIDSTRÖM MATTIAS ,  BJÖRK JONAS ,  SÖDERBERG JOAKIM ,  HOLMBERG MARTIN

    IPC: G06F17/30

    Abstract: A method is provided for determining a correlation between a reference user and another user on the basis of two sets of ratings, where each rating is associated with a respective user. In response to a trigger,user ratings associated with the reference user and user ratings associated with the other user are collected, and all co- rated items of these two sets are correlated in the basis of an adjusted cosine correlation function which is weighted by a first and a second weighting function. The correlation is then stored and may be repeated for a plurality of users. The stored correlations may be used e.g. for ranking purposes.

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