@article{723547,
      author = {Bertino, Elisa, and Matei, Sorin A.},
      url = {http://library.usi.edu/record/723547},
      title = {Roles, trust, and reputation in social media knowledge  markets theory and methods / [electronic resource] :},
      doi = {https://doi.org/10.1007/978-3-319-05467-4},
      recid = {723547},
      pages = {1 online resource (xiv, 198 pages) :},
}