Role-Based Access Control on Graph Databases

被引：2

作者：

Chabin, Jacques ^{[1
]}

Ciferri, Cristina D. A. ^{[2
]}

Halfeld-Ferrari, Mirian ^{[1
]}

Hara, Carmem S. ^{[3
]}

Penteado, Raqueline R. M. ^{[4
]}

机构：

[1] Univ Orleans, LIFO EA, INSA CVL, Orleans, France

[2] Univ Sao Paulo, Sao Carlos, Brazil

[3] Univ Fed Parana, Curitiba, Parana, Brazil

[4] Univ Estadual Maringa, Maringa, Parana, Brazil

来源：

SOFSEM 2021: THEORY AND PRACTICE OF COMPUTER SCIENCE | 2021年 / 12607卷

关键词：

D O I：

10.1007/978-3-030-67731-2_38

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

We propose a novel access control system for graph-based models, which supports schema constraints and constraint rules to protect the data, as well as user context rules. We consider systems with huge volumes of data, where the efficient processing of aggregation operations is of paramount importance. To comply with this goal, we introduce an architecture with modules for rewriting, planning and executing queries in parallel, respecting the access constraints. Performance tests show the efficiency of our distributed query processing mechanism. Compared to a centralized approach, it reduces execution time from 25% to 68% for conjunctive queries and from 12% to 59% for queries involving aggregation.

引用

页码：519 / 534

页数：16

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