A Hybrid Method for POI Recommendation: Combining Check-In Count, Geographical Information and Reviews. - Xiefeng Xu; Pengpeng Zhao 001; Guanfeng Liu 001; Caidong Gu; Jiajie Xu 001; Jian Wu 002; Zhiming Cui (APWeb (2), 2016)

Exploiting Hierarchical Structures for POI Recommendation. - Pengpeng Zhao 001; Xiefeng Xu; Yanchi Liu; Ziting Zhou; Kai Zheng 001; Victor S. Sheng; Hui Xiong 001 (ICDM, 2017)

Photo2Trip: Exploiting Visual Contents in Geo-tagged Photos for Personalized Tour Recommendation. - Pengpeng Zhao 001; Xiefeng Xu; Yanchi Liu; Victor S. Sheng; Kai Zheng 001; Hui Xiong 001 (ACM Multimedia, 2017)