计算机科学 ›› 2016, Vol. 43 ›› Issue (4): 192-196.doi: 10.11896/j.issn.1002-137X.2016.04.039
张瑞,金志刚,王颖
ZHANG Rui, JIN Zhi-gang and WANG Ying
摘要: 针对已有的标签推荐模型在实际微博场景运用中存在的多样性、相关性较差等不足,提出了一种基于混合粒度的标签推荐模型。将微博用户的可分析资源分解成由用户信息、标签和微博正文组成的混合粒度,在不同粒度上分别进行个人信息过滤及个性标签分析,从而计算用户标签的熵值与内联度和分类标注标签词汇,提取微博正文主题等,最终为用户推荐具有较强关联性的个性化标签。与一般LDA模型的对比实验证明,该模型可以有效解决新用户的冷启动、标签推荐的准确度等问题,同时保证了推荐的多样性。
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