基于切片的OLAP动态推理控制研究

计算机科学 ›› 2013, Vol. 40 ›› Issue (Z6): 149-152.

基于切片的OLAP动态推理控制研究

周彩霞,陈启买

华南师范大学计算机学院广州510631;华南师范大学计算机学院广州510631

出版日期:2018-11-16 发布日期:2018-11-16
基金资助:
本文受广东省科技计划基金项目(2009B010800036),广东省教育科研基金项目(BKYBJG20060235)资助

Slice-based Method for Dynamic Inference Control in OLAP

ZHOU Cai-xia and CHEN Qi-mai

Online:2018-11-16 Published:2018-11-16

摘要/Abstract

摘要： 针对OLAP系统存在的数据仓库敏感信息泄漏的问题,及已有的推理研究都是以数据立方体为粒度,细粒度的切片推理仍然存在的问题,提出了以切片为推理单元的推理控制方法。该方法将推理粒度细化到切片,使每次查询生成对应的切片格,根据格的依赖关系判定是否存在推理通道,实现动态地防止单切片的推理,提高了敏感信息的保护力度。

关键词: 数据仓库,在线分析处理系统,数据立方体,切片,推理控制

Abstract: Aiming at the problem of sensitive information leakage in data warehouse and OLAP system,and the existing inference control methods are based on date cube ignoring the fine-grained slice reasoning．This paper presents an inference control method based on slice．This method refines inference granularity to slice and deals with each query corresponding to slice grid,which can prevent a single slice of reasoning and increases efforts to the protection of sensitive information according to the judgment of the slice grid dependencies’ inference channel.

Key words: Data warehouse,OLAP system,Data cube,Slice,Inference control

周彩霞,陈启买. 基于切片的OLAP动态推理控制研究[J]. 计算机科学, 2013, 40(Z6): 149-152. https://doi.org/

ZHOU Cai-xia and CHEN Qi-mai. Slice-based Method for Dynamic Inference Control in OLAP[J]. Computer Science, 2013, 40(Z6): 149-152. https://doi.org/

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