期刊论文

中文

情报理论与实践

1000-7490

2024

47

06

147-153

10.16353/j.cnki.1000-7490.2024.06.016

23ATQ007:国家社会科学基金

本校为第一机构

[目的/意义]为提高群组推荐准确率和可解释性,针对现有的群组推荐方法较少关注群组内核心用户对群体兴趣的影响,综合考虑群组整体兴趣和群组内核心用户对其他用户的影响,提出融合群体兴趣和核心用户影响的群组推荐方法.[方法/过程]首先,借鉴h指数思想计算群组内每个用户的影响力,识别群组内核心用户;其次,利用LDA主题模型进行群体兴趣建模和核心用户兴趣建模;最后,综合考虑群组中用户自身兴趣和其受核心用户影响而产生的兴趣进行资源推荐服务.[结果/结论]利用微博数据进行实证,验证了此方法的有效性.

[Purpose/significance]Committed to improving the accuracy and explainability of group recommendation,this paper focuses on the influence of core users within a group on the group interest,which is less concerned in the existing group rec-ommendation methods,and proposes a group recommendation method that integrates the group interest and the influence of core us-ers by comprehensively considering the overall groupinterest and the influence of core users on other users within the group.[Meth-od/process]Firstly,the h-index is borrowed to calculate the influence of each user so as to identify the...