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Fine-Grained Access Control Within NoSQL Document-Oriented Datastores

机译：NoSQL面向文档的数据存储中的细粒度访问控制

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Abstract The recent years have seen the birth of several NoSQL datastores, which are getting more and more popularity for their ability to handle high volumes of heterogeneous and unstructured data in a very efficient way. In several cases, NoSQL databases proved to outclass in terms of performance, scalability, and ease of use relational database management systems, meeting the requirements of a variety of today ICT applications. However, recent surveys reveal that, despite their undoubted popularity, NoSQL datastores suffer from some weaknesses, among which the lack of effective support for data protection appears among the most serious ones. Proper data protection mechanisms are therefore required to fill this void. In this work, we start to address this issue by focusing on access control and discussing the definition of a fine-grained access control framework for document-oriented NoSQL datastores. More precisely, we first focus on issues and challenges related to the definition of such a framework, considering theoretical, implementation, and integration aspects. Then, we discuss the reasons for which state-of-the-art fine-grained access control solutions proposed for relational database management systems cannot be used within the NoSQL scenario. We then introduce possible strategies to address the identified issues, which are at the basis of the framework development. Finally, we shortly report the outcome of an experience where the proposed framework has been used to enhance the data protection features of a popular NoSQL database.
机译：摘要近年来，已经出现了多个NoSQL数据存储，这些数据存储以其以非常有效的方式处理大量异构和非结构化数据的能力而越来越受欢迎。在某些情况下，事实证明NoSQL数据库在性能，可伸缩性和易用性方面都优于关系数据库管理系统，可以满足当今各种ICT应用程序的要求。但是，最近的调查表明，尽管NoSQL数据存储无疑很受欢迎，但它们仍然存在一些弱点，其中最严重的问题就是缺乏对数据保护的有效支持。因此，需要适当的数据保护机制来填补这一空白。在这项工作中，我们将通过着重于访问控制并讨论面向文档的NoSQL数据存储的细粒度访问控制框架的定义来解决此问题。更准确地说，我们首先考虑理论，实施和集成方面，着重于与此类框架的定义相关的问题和挑战。然后，我们讨论了在NoSQL场景中不能使用为关系数据库管理系统提出的最新的细粒度访问控制解决方案的原因。然后，我们介绍可能的策略来解决已确定的问题，这是框架开发的基础。最后，我们不久将报告一种经验的结果，在该经验中，所建议的框架已用于增强流行的NoSQL数据库的数据保护功能。

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