Xu2015Social'
@article{Xu2015Social,
title={Social networking meets recommender systems: survey},
author={Xu, Guandong and Wu, Zhiang and Zhang, Yanchun and Cao, Jie},
journal={International Journal of Social Network Mining},
volume={2},
number={1},
pages={64--100},
year={2015},
publisher={Inderscience Publishers (IEL)}
}
'''