Social information enhancement-based event social network recommendation algorithm
A technology of social network and recommendation algorithm, applied in the field of data mining, it can solve problems such as affecting the accuracy of events, ignoring event organizers, and having no basis for recommendation.
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[0113] 1. Data preprocessing
[0114] Use a web crawler to crawl the data of the Meetup website, and obtain the number of Twitter followers of the user from the user's social account account provided by Meetup. In order to prevent the influence of noise on the experimental results, users with less than 5 participants, events with less than 5 participants, and groups with less than 20 events were eliminated, and finally the experimental data set was obtained. In order to evaluate the recommendation effect of the algorithm, the events that some users have participated in are randomly marked as not participating, and they are used together with other cold start events as the events to be recommended, and finally the recommendation algorithm is used for recommendation. The proportion of marked events in the obtained recommendation list is called the accuracy rate.
[0115] 2. For each user, calculate the content recommendation score, organizer recommendation score, time recommend...
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