Multidimensional individualized recommendation method in heterogeneous network
A recommendation method and heterogeneous network technology, applied in the fields of data mining and machine learning, can solve the problems of users and items that do not consider item content and user attributes, do not consider the rich semantic information of users and items, and have limited recommendation accuracy.
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[0058] This embodiment refers to the movie recommendation network, such as figure 1 As shown, the movie recommendation network is a heterogeneous information network with right and direction, and there are 5 different entity types in this network: users (including user 1, user 2), movies (including movie 1, movie 2, movie 3. Movie 4), director (including director 1 and director 2), starring role (including actor 1 and actor 2) and movie category (including movie style 1 and movie style 2). For each movie entity, there will be its starring, director and movie category entities connected to it. Users give ratings from 1 to 5 for the movies they have watched. According to the user's attribute information, users are divided into different user groups according to their viewing interests. The divisions can overlap, and the same user group likes movies of the same style or likes the same star director. In this embodiment, movies, interest groups, directors, actors, etc. that the u...
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