//协同过滤算法对目标用户产生推荐：



//收集可以代表用户兴趣的信息；根据收集到的信息计算出用户之间的相似性，并以此为根据为目标用户或项目寻得最近邻居；根据得到的最近邻居对目标用户产生推荐-//Collaborative filtering algorithm recommended by the target user:// collect on behalf of the user interest information　calculate the similarity between users based on the information collected and used as a basis for the target user or project to find a nearest neighbor　According to the nearest neighbor to the target users recommended