山东大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (3): 44-50.doi: 10.6040/j.issn.1672-3961.0.2015.295
李朔,石宇良
LI Shuo, SHI Yuliang
摘要: 为解决基于位置社交网络中地点推荐时遇到的数据稀疏、冷启动问题,提出一种改进的地点推荐方法,在协同过滤算法的基础上融合了聚类算法,考虑到用户偏好、朋友关系、位置语义等因素,在推荐时取两种算法的优点进行互补。研究的重点是相似度的计算,包括兴趣地点相似度、好友亲密度、词频-逆文档频率、余弦相似性。在Foursquare数据集上以准确率、召回率、单个主题的平均准确率作为度量依据,对提出的方法进行验证。试验证明,本方法有效提高了推荐效果。
中图分类号:
| [1] 朱立超,李治军,姜守旭.基于位置的社交网络研究综述[J].智能计算机与应用,2014,4(4):60-67. ZHU Lichao, LI Zhijun, JIANG Shouxu. An overview of location based social network[J].Intelligent Computer and Applications, 2014, 4(4):60-67. [2] 吴昊,刘东苏.社交网络中的好友推荐方法研究[J].现代图书情报技术,2015(1):59-65. WU Hao, LIU Dongsu. Friend recommendation in social network[J].New Technology of Library and Information Service, 2015(1):59-65. [3] ZHENG Y, ZHANG L, XIE X, et al.Mining interesting locations and travel sequences from GPS trajectories[C] //Proceedings of the 18th International Conference on World Wide Web. New York, USA:ACM, 2009:791-800. [4] BAO J, ZHENG Y, MOKBEL F M.Location-based and preference-aware recommendation using sparse geo-social networking data[C] // Proceedings of the 20th ACM SIGSPATIAL International Conference on Advances in GIS. New York, USA:ACM, 2012:199-208. [5] ZHENG V W, ZHENG Y, XIE X, et al. Collaborative location and activityrecommendations with gps history data[C] //Proceedings of the 19th International Conference on World Wide Web. New York, USA: ACM, 2010:1029-1038. [6] 翟红生,于海鹏.在线社交网络中的位置服务研究进展与趋势[J].计算机应用研究,2013, 11(30):3223-3227. ZHAI Hongsheng, YU Haipeng. Present situation and trend of research of location-based service on online social networks[J].Application Research of Computers, 2013, 11(30):3223-3227. [7] 朱立超.基于位置的社交网络中个性化路径推荐算法的研究[D].哈尔滨:哈尔滨工业大学,2014. ZHU Lichao. LBSN based personalized routes recommendation[D].Harbin: Harbin Institute of Technology, 2014. [8] YE M,YIN P, LEE W C, et al. Exploiting geographical influence for collaborative point-of-interest recommendation[C] // Proceedings of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval. Beijing, China:ACM, 2011:325-334. [9] YING J C, LU H C, KOU W N, et al. Urban point-of-interest recommendation by mining user check-in behaviors[C] // Proceedings of the ACM SIGKDD International Workshop on Urban Computing. Beijing, China:ACM, 2012:63-70. [10] 朱荣鑫.基于地理位置的社交网络潜在用户和位置推荐模型研究[D].南京:南京邮电大学,2013. ZHU Rongxin. Research on the model of latent user and location recommendation in location-based social networks[D].Nanjing: Nanjing University of Posts, 2013. [11] 任克江.基于地理信息的检索和用户数据挖掘[D].大连:大连理工大学,2013. REN Kejiang. Information retrieval and user data mining based on geographic information[D].Dalian:Dalian University of Technology, 2013. [12] CHO E, MYERS S A, LESKOVEC J. Friendship and mobility: user movement in location-basedsocial networks[C] // Proceedings of the 17th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining. California, USA: ACM, 2011:1082-1090. [13] 王立军.基于协同过滤推荐系统的数据稀疏性问题研究[D].长春:东北师范大学,2009. WANG Lijun. Research on data sparsity problem of collaborative filtering recommendation system[D]. Changchun: Northeast Normal University, 2009. [14] SUN Dongting, HE Tao, ZHANG Fuhai. Survey of cold-start problem in collaborative filtering recommender system[J].Computer and Modernization, 2012, 1(201):59-63. [15] FRENCE G, YE M, LEE W C. Location recommendation for out-of-town users inlocation-based social networks[C] //Proceedings of the 22nd ACM International Conference on Information & Knowledge Management. San Francisco, USA:ACM, 2013: 721-726. |
| [1] | 李晓辉,刘小飞,孙炜桐,赵毅,董媛,靳引利. 基于车辆与无人机协同的巡检任务分配与路径规划算法[J]. 山东大学学报 (工学版), 2025, 55(5): 101-109. |
| [2] | 陈素根,赵志忠. 融合局部截断距离及小簇合并的密度峰值聚类[J]. 山东大学学报 (工学版), 2025, 55(2): 58-70. |
| [3] | 王梅,宋凯文,刘勇,王志宝,万达. DMKK-means——一种深度多核K-means聚类算法[J]. 山东大学学报 (工学版), 2024, 54(6): 1-7. |
| [4] | 王丽娟,徐晓,丁世飞. 面向密度峰值聚类的高效相似度度量[J]. 山东大学学报 (工学版), 2024, 54(3): 12-21. |
| [5] | 张鑫,费可可. 基于log鲁棒核岭回归的子空间聚类算法[J]. 山东大学学报 (工学版), 2023, 53(6): 26-34. |
| [6] | 李兆彬,叶军,周浩岩,卢岚,谢立. 变异萤火虫优化的粗糙K-均值聚类算法[J]. 山东大学学报 (工学版), 2023, 53(4): 74-82. |
| [7] | 侯延琛,赵金东. 任意形状聚类的SPK-means算法[J]. 山东大学学报 (工学版), 2023, 53(2): 87-92. |
| [8] | 程业超,刘惊雷. 自适应图正则的单步子空间聚类[J]. 山东大学学报 (工学版), 2022, 52(2): 57-66. |
| [9] | 卢建云,张蔚,李林. 一种基于动态局部密度和聚类结构的聚类算法[J]. 山东大学学报 (工学版), 2022, 52(2): 118-127. |
| [10] | 孟银凤,杨佳宇,曹付元. 函数型数据的分裂转移式层次聚类算法[J]. 山东大学学报 (工学版), 2022, 52(1): 19-27. |
| [11] | 朱恒东, 马盈仓, 代雪珍. 自适应半监督邻域聚类算法[J]. 山东大学学报 (工学版), 2021, 51(4): 24-34. |
| [12] | 朱昌明,岳闻,王盼红,沈震宇,周日贵. 主动三支聚类下的全局和局部多视角多标签学习算法[J]. 山东大学学报 (工学版), 2021, 51(2): 34-46. |
| [13] | 解子奇,王立宏,李嫚. 块对角子空间聚类中成对约束的主动式学习[J]. 山东大学学报 (工学版), 2021, 51(2): 65-73. |
| [14] | 李蓓,赵松,谢志佳,牛萌. 电动汽车虚拟储能可用容量建模[J]. 山东大学学报 (工学版), 2020, 50(6): 101-111. |
| [15] | 张胜男,王雷,常春红,郝本利. 基于三维剪切波变换和BM4D的图像去噪方法[J]. 山东大学学报 (工学版), 2020, 50(2): 83-90. |
|