Data mining support for case-based collaborative recommendation

被引:0
|
作者
Smyth, B [1 ]
Wilson, D [1 ]
O'Sullivan, D [1 ]
机构
[1] Univ Coll Dublin, Dept Comp Sci, Smart Media Inst, Dublin, Ireland
关键词
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
This paper describes ongoing research which aims to enhance collaborative recommendation techniques in the context of PTV, an applied recommender system for the TV listings domain. We have developed a case-based perspective on PTV's collaborative recommendation component, viewing the sparsity problem in collaborative filtering as one of updating and maintaining similarity knowledge for case-based systems. Our approach applies data mining techniques to extract relationships between program items that can be used to address the sparsity/maintenance problem, as well as employing recommendation ranking that combines user similarities and item similarities to deliver more effective recommendation orderings.
引用
收藏
页码:111 / 118
页数:8
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