title: Erratum to: OnCampus: a mobile platform towards a smart campus.
abstract: [This corrects the article DOI: 10.1186/s40064-016-2608-4.].
authors: Chengdu College of University of Electronic Science and Technology of China, Chengdu, 611731 China.
authors: Xin
authors: X
authors: Dong
authors: School of Software, Dalian University of Technology, Dalian, 116620 China.
authors: Xiangjie
authors: X
authors: Kong
authors: Library, Anshan Normal University, Anshan, 114007 China.
authors: Fuli
authors: F
authors: Zhang
authors: School of Software, Dalian University of Technology, Dalian, 116620 China.
authors: Zhen
authors: Z
authors: Chen
authors: School of Software, Dalian University of Technology, Dalian, 116620 China.
authors: Jialiang
authors: J
authors: Kang