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现代图书情报技术  2016, Vol. 32 Issue (7-8): 110-119     https://doi.org/10.11925/infotech.1003-3513.2016.07.14
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移动数字图书馆资源的情境感知个性化推荐方法研究*
洪亮(),钱晨,樊星
武汉大学信息管理学院 武汉 430072
Context-aware Recommendation System for Mobile Digital Libraries
Hong Liang(),Qian Chen,Fan Xing
School of Information Management, Wuhan University, Wuhan 430072, China
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摘要 

目的】结合移动数字图书馆的资源布局及推送特征, 为其设计一种基于情境感知的个性化资源推荐方式。【方法】基于相似用户有相似选择的考虑, 引入角色的概念模拟用户兴趣选择, 设计一种有效的WSSQ算法构建用户信任网络, 由此给出改进的情境感知推荐方法, 并在扩展的Epinion数据集上进行仿真实验。【结果】通过实验证明了本方法是可行的, 且在MAE、RMSE等指标下均优于其他推荐方法, 体现出良好的推荐精度。【局限】在用户样本足够大时会面临情境和角色稀疏的问题。【结论】本研究为移动数字图书馆资源推荐提供了一种思路, 有利于其推荐系统的改进和完善。

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洪亮
钱晨
樊星
关键词 移动数字图书馆情境感知推荐WSSQ算法    
Abstract

[Objective] This paper proposes a context-aware recommendation system for the mobile digital libraries, with the help of the latter’s collection features and users behaviors. [Methods] Based on the theory of similar users having similar choices, we first modeled the users’ interests by introducing the concept of roles. Second, we designed an effective Weighted Set Similarity Query (WSSQ) algorithm to build a role-based trust network for the users. Finally, we modified the existing context-aware recommendation system, which was then evaluated with an Extended Epinions dataset. [Results] The proposed new recommendation system was feasible, and had better performance than other methods. [Limitations] The contexts and roles were not rich enough to process large user samples. [Conclusions] This study could help us improve the mobile digital library’s resource recommendation system.

Key wordsMobile digital library    Context-aware recommendation    WSSQ algorithm
收稿日期: 2016-04-22      出版日期: 2016-09-29
基金资助:*本文系国家自然科学基金青年基金项目“移动社会网络中基于信任关系的情境感知推荐研究”(项目编号: 61303025)和湖北省高校省级教学改革研究项目“‘慕课’背景下信息素质教育课程的变革研究”(项目编号: 2015009)的研究成果之一
引用本文:   
洪亮,钱晨,樊星. 移动数字图书馆资源的情境感知个性化推荐方法研究*[J]. 现代图书情报技术, 2016, 32(7-8): 110-119.
Hong Liang,Qian Chen,Fan Xing. Context-aware Recommendation System for Mobile Digital Libraries. New Technology of Library and Information Service, 2016, 32(7-8): 110-119.
链接本文:  
https://manu44.magtech.com.cn/Jwk_infotech_wk3/CN/10.11925/infotech.1003-3513.2016.07.14      或      https://manu44.magtech.com.cn/Jwk_infotech_wk3/CN/Y2016/V32/I7-8/110
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