@Article {dflps-vldbj2021,
    author = {S. {De Capitani di Vimercati} and S. Foresti and S.
Jajodia and G. Livraga and S. Paraboschi and P.
Samarati},
    title = {An Authorization Model for Query Execution in the Cloud},
    journal = {The VLDB Journal},
    month = {November},
    year = {2021}
}