@misc{tsai2019j13,
  title = {{Relational social recommendation: Application to the academic domain}},
  author = {Amal, S. and Tsai, C. H. and Brusilovsky, P. and Kuflik, T. and Minkov, E.},
  year = {2019},
  howpublished = {Expert Systems with Applications},
  doi = {10.1016/j.eswa.2019.01.061},
  url = {https://chunhuatsai.github.io/publications/#j13}
}