@ARTICLE{WU-QoS-TVT-14,
    AUTHOR = "Yang Liu and Zhipeng Yang and Ting Ning and Hongyi Wu",
    TITLE = "{Efficient Quality-of-Service (QoS) Support in Mo- bile Opportunistic Networks}",
    JOURNAL = "IEEE Transactions on Vehicular Technology",
    VOLUME = {63},
    NUMBER = {9},
    PAGES="4574-4584",
    YEAR = {2014},   }