Data di Pubblicazione:
2017
Citazione:
An Authorization Model for Multi-Provider Queries / S. De Capitani di Vimercati, S. Foresti, S. Jajodia, G. Livraga, S. Paraboschi, P. Samarati. - In: PROCEEDINGS OF THE VLDB ENDOWMENT. - ISSN 2150-8097. - 11:3(2017 Nov), pp. 256-268. ((Intervento presentato al 44. convegno International Conference on Very Large Data Bases tenutosi a Rio De Janeiro, Brasil nel 2018.
Abstract:
We present a novel approach for the specification and enforcement
of authorizations that enables controlled data
sharing for collaborative queries in the cloud. Data authorities
can establish authorizations regulating access to their
data distinguishing three visibility levels (no visibility, encrypted
visibility, and plaintext visibility). Authorizations
are enforced in the query execution by possibly restricting
operation assignments to other parties and by adjusting visibility
of data on-the-fly. Our approach enables users and
data authorities to fully enjoy the benefits and economic
savings of the competitive open cloud market, while maintaining
control over data.
Tipologia IRIS:
01 - Articolo su periodico
Elenco autori:
S. De Capitani di Vimercati, S. Foresti, S. Jajodia, G. Livraga, S. Paraboschi, P. Samarati
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