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File recommending method and device

A file and file identification technology, applied in the network field, can solve the problems of low recommendation success rate, not taking into account the different preferences of current users and other users, and achieve the effect of improving recommendation efficiency and recommendation success rate.

Active Publication Date: 2014-10-01
SHENZHEN TENCENT COMP SYST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, this method does not take into account the fact that the preferences of the current user and other users are different. When the preferences of the current user and other users are different, the recommendation success rate is very low.

Method used

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  • File recommending method and device

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] figure 1 It is a flowchart of a file recommendation method provided by an embodiment of the present invention. The execution subject of this embodiment of the invention is a server, see figure 1 , the method includes:

[0029] 101. According to the user ID and file ID included in the historical playback records, use the user ID as the first dimension of the matrix, and use the file ID as the second dimension of the matrix to construct a t...

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Abstract

The invention discloses a file recommending method and device and belongs to the network technical field. The method comprises the steps of constructing a two-dimensional matrix according to user identifications and file identifications contained in a historical playing record of a user with the user identifications as the first dimension and the file identifications as the second dimension; filling the element position of the two-dimensional matrix with elements according to the corresponding relationship between the user identifications and the file identifications, and conducting matrix decomposition to obtain a specified matrix; conducting clustering on all the user identifications to obtain at least one user group based on a feature vector obtained through division according to the first dimension; conducting file recommendation based on the at least one user group. According to the file recommending method and device, the user groups are obtained according to the corresponding relationship between the user identifications and file identifications contained in the historical playing record of the user, user identifications with similar preference are clumped into the same user group, recommendation can be conducted based on a specific user group to which the current user identification belongs, and recommendation efficiency and success rate are be improved.

Description

technical field [0001] The present invention relates to the field of network technology, in particular to a file recommendation method and device. Background technique [0002] In daily online activities, users are faced with all kinds of information all the time, but it is difficult to filter out the information that they are really interested in. In order to facilitate the user's screening, the server may recommend information that may be of interest to the user based on the user's browsing records, hobbies, and the like. [0003] Taking video as an example, when the terminal is playing a video, it recommends to the current user the video that other users click the most when watching the currently playing video, that is, recommends videos to the current user by comparing the preferences of other users to the preferences of the current user. [0004] However, this method does not take into account the fact that the preferences of the current user and other users are differ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/258
CPCH04N21/25891H04N21/44222H04N21/4532H04N21/252H04N21/4826H04N21/42218
Inventor 尹程果
Owner SHENZHEN TENCENT COMP SYST CO LTD