TY - Journal of Computer Applications A1 - Xiaohuan SHAN, Zhiguo ZHANG, Baoyan SONG, Chenglin REN T1 - Activity recommendation method based on directed label graph and user feedback in event-based social network Y1 - 2020-02-10 JF - Journal of Computer Applications JO - Journal of Computer Applications SP - 448 EP - 453 VL - 40 IS - 2 UR - http://www.joca.cn N1 - 10.11772/j.issn.1001-9081.2019081565 ER -