Cover Story Management
Fr\'ed\'eric Cuppens (LUSSI, Lab-STICC), Alban Gabillon (GePaSUD)

TL;DR
This paper introduces a new formal technique for managing cover stories in multilevel databases, providing a generic model applicable across various database types and addressing update challenges.
Contribution
It proposes a novel formal representation for cover story management in multilevel databases, moving beyond the traditional polyinstantiation approach.
Findings
Developed a formal model for cover story management
Ensured the model's applicability to different database types
Addressed update problem in multilevel databases with cover stories
Abstract
In a multilevel database, cover stories are usually managed using the ambiguous technique of polyinstantiation. In this paper, we define a new technique to manage cover stories and propose a formal representation of a multilevel database containing cover stories. Our model aims to be a generic model, that is, it can be interpreted for any kind of database (e.g. relational, object- oriented etc). We then consider the problem of updating a multilevel database containing cover stories managed with our technique.
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Taxonomy
TopicsAccess Control and Trust · Peer-to-Peer Network Technologies · Artificial Intelligence in Games
