Hybrid recommendation system and method based on multi-objective optimization
A multi-objective optimization and hybrid recommendation technology, applied in the field of multi-objective optimization, can solve problems such as single recommendation type and single interest circle of users, and achieve the effect of improving the solution effect.
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[0042] The present invention provides the following technical solutions: a hybrid recommendation system based on multi-objective optimization and a method thereof, comprising the following steps:
[0043] S1: Hybrid recommendation model construction;
[0044] S2: Optimization target selection;
[0045] S3: Multi-objective optimization model construction;
[0046] S4: Use the weight to sort the results;
[0047] The step S1 specifically includes the following steps:
[0048] S1.1: Collect the data set to be analyzed, and construct the user item scoring matrix through the data set;
[0049] S1.2: respectively adopt the content-based recommendation algorithm and the collaborative filtering-based recommendation algorithm for recommendation, and generate an initial candidate list;
[0050] S1.3: weighted summation of the form items obtained by each recommendation algorithm to generate a corresponding candidate set of hybrid recommendation algorithms;
[0051] The objectives op...
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