A Personalized Recommendation Method Based on Online Course User Data
A user data and recommendation method technology, applied in the fields of electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as cold start of users with too little information, solve the problem of cold start, improve learning motivation, and increase the number of courses Effect
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[0039] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0040] Based on the integration and processing of the original learning data, the present invention predicts the N courses with the highest error rate from the user's real error rate and the similarity between courses, performs weighted voting to calculate the recommendation weight of the extracurricular challenge topic under the corresponding label mapping, and obtains the recommendation list.
[0041] Taking an online programming learning website as an example to further illustrate, the main steps are as follows:
[0042] 1. Preprocessing of the original user data to obtain the user's error list: take out the original learning records from the database, and analyze the user's submission operation data for the course (cid, uid, active_type, active_text, time)
[0043] Each parameter represents: cid: course unique id, uid: learning user unique id, acti...
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