@Article {dfls-tsc2017,
    author = {S. {De Capitani di Vimercati} and S. Foresti and G.
Livraga and V. Piuri and P. Samarati},
    title = {Supporting User Requirements and Preferences in Cloud Plan Selection},
    journal = {IEEE Transactions on Services Computing (TSC)},
    volume = {14},
    number = {1},
    pages = {274-285},
    month = {January/Feburary},
    year = {2021}
}