Design And Implementation Of Pregnancy Knowledge Recommendation System Based On WeChat Platform

With the progress and development of society,China has gradually entered the era of Informationization.People can learn lots of different knowledge from the Internet.Although pregnant women can get knowledge through personal computers or mobile phones,it is difficult to find professional knowledge.Generally,many pregnant women consult doctors about the knowledge of pregnancy.This way is extremely inconvenient for both themselves and their families,so it is an urgent need to get mobile platform which could recommend accurate pregnancy news knowledge and courses so that pregnant women can learn knowledge quickly and easily at any time.After researching and searching for recommendation algorithm,this thesis developed an online knowledge platform based on WeChat platform which can provide corresponding courses according to the stages of pregnant women by using JFinal framework.In addition,users who subscribed will be recommended some useful pregnancy knowledge according to their preferences.The function module of the system can be divided into recommendation algorithm,personal module,information module,personal status setting module,and nurture school module.Recommendation algorithm consists of user-based collaborative filtering and content-based algorithm which draws on the idea of the Rocchio algorithm.in which users,profile will be corrected and the recommendation result will be better.In order to obtain abundant feature knowledge of pregnancy,the system takes use of text information where exists in the image.Furthermore,The recommendation also incorporates a user-based collaborative filtering algorithm which can effectively compensate for the shortcomings of the other party,so as to achieve a better effect.This thesis also implements the function of generating exclusive courses that are recommended by the system according to different conditions of pregnant women,The pregnant women could submit personal information,scan their status,learn various courses or set up the reminder and invite their family in the system.