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題名 | A Scheme for Authorization Inheritance in a user Hierarchy= |
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作者 | 曾育民; Tseng, Yuh-min; |
期刊 | 南開學報 |
出版日期 | 19970600 |
卷期 | 2 1997.06[民86.06] |
頁次 | 頁223+225-236 |
分類號 | 312.1 |
語文 | eng |
關鍵詞 | 使用者階層; 存取權限; 關係; 使用者權限階層; 繼承權限; User hierarchy; Access privilege; Relationship; User privilege hierarchy; Inheritable privilege; |
中文摘要 | 在許多應用中,使用者階層是其中一重要的課題,在過去已有一些機制試著表示 它。在一個使用者階層中,位於上層之使用者可存取位其下方之使用者的所有資源;然而在 許多實際應用上卻不適合,亦即上層之使用者僅能存取位於其下方之使用者的部份資源。本 文提出一個稱為 " 使用者權限階層 " 的方法,其可表示出些種關係,另外亦提出一個有效 的機制能夠表示出上下層關係及之間的繼承權限。 |
英文摘要 | In many application, user hierarchy is an important issue. Some scheme s are proposed to present the user hierarchy in the last decades. Within the user hierarchy, a user is permitted to access all of the files and to change the access privilege of other users who are below him in the hierarchy. However, the relationship is not suitable in some situations, that is, a higher level user who can only inherit partial privileges of another user in a user hierarchy. In this paper, we propose a user privilege hierarchy to represent the relationship, Furthermore, we also propose an effective scheme that can derive the relationshi ps and the inheritable privileges among users in the user privilege hierarchy. |
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