@article {IOPORT.50088202,
    author       = {Hamouda, Sally and Wanas, Nayer M.},
    title        = {PUT-tag: personalized user-centric tag recommendation for social bookmarking systems},
    year         = {2011},
    journal      = {Social Netw. Analys. Mining},
    volume       = {1},
    number       = {4},
    pages        = {377-385},
    doi          = {10.1007/s13278-011-0028-6},
    identifier   = {50088202},
}