微博转发者的个性化排序

被引:3
作者
匡冲 [1 ,2 ,3 ]
刘知远 [1 ,2 ,3 ]
孙茂松 [1 ,2 ,3 ]
机构
[1] 智能技术与系统国家重点实验室
[2] 清华信息科学与技术国家实验室(筹)
[3] 清华大学计算机系
关键词
微博; 转发; 个性化排序;
D O I
暂无
中图分类号
TP393.092 [];
学科分类号
摘要
转发行为是微博平台上信息传播的主要形式。目前已有的工作大多数聚焦在转发行为的分析和预测。针对给定的一条微博时如何找到其转发者这个问题并没有得到很好的解决。结合贝叶斯个性化排序优化标准(BPR-OPT)和分解机(FM),提出了一种通用的方法用于对微博转发者进行预测,并进一步对影响用户成为转发者的特征因素进行了细致分析,然后根据这些特征,在大规模真实数据集上对微博转发者进行了预测。实验证明该方法能够明显提高预测效果,同时也验证了基于pair-wise和特征相关的方法能更有效解决微博转发者预测问题。
引用
收藏
页码:31 / 36+58 +58
页数:7
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