CHAPTER 10 ■ Specification and Enforcement of Access Policies in Emerging Scenarios - Cloud Computing Security [Book]

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Specification and Enforcement of Access Policies in Emerging Scenarios

Sabrina De Capitani di Vimercati

Università degli Studi di Milano

Crema (CR), Italy

Sara Foresti

Università degli Studi di Milano

Crema (CR), Italy

Pierangela Samarati

Università degli Studi di Milano

Crema (CR), Italy

CONTENTS

10.1 Introduction

10.2 View-based access control

10.3 Access patterns

10.4 Sovereign joins

10.5 Pairwise authorizations

10.6 Preferences in query optimization

10.7 Collaborative query execution with multiple providers

10.7.1 Scenario and Data Model

10.7.2 Security Model

10.7.2.1 Permission

10.7.2.2 Relation Profile

10.7.2.3 Schema and View Graph

10.7.3 Authorized Views

10.7.4 Safe Query Plan

Acknowledgments

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