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Abstract: . The benefits of providing access control with groups of users rather than individuals as the unit of granularity are well known. These benefits are enhanced if the groups are organized in a subgroup partial order. A class of such partial orders called ntrees is defined by using a forest of rooted trees or inverted rooted trees as basic partial orders and combining these by refinement. Refinement explodes an existing group into a partially ordered ntree of new groups while maintaining the ... (Update)
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.... condition lr(A)lr(B) 4 CONCLUSION The reflected tree is actually a special case of the ntree hierarchy recently defined by this author [3]. Some properties of reflected trees developed here are related to our results for ntrees. However there are significant properties...
...of the classes below a. The progression is multidimensional. For instance we may require sophisticated support for hierarchical groups [27] and some little amount of controls from the other classes. As a user one would like a rating which measures the features provided in each...
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BibTeX entry: (Update)
R.S. Sandhu. The NTree: A two dimension partial order for protection groups. ACM Tran. on Computer Systems, Vol. 6, No. 2, May 1988, pp. 197-222. http://citeseer.ist.psu.edu/sandhu89ntree.html More
@article{ sandhu88ntree,
author = "Ravinderpal S. Sandhu",
title = "The {NTree}: {A} Two Dimension Partial Order for Protection Groups",
journal = "ACM Transactions on Computer Systems",
volume = "6",
number = "2",
pages = "197--222",
year = "1988",
url = "citeseer.ist.psu.edu/sandhu89ntree.html" }
Citations (may not include all citations):488 Algorithmic graph theory and perfect graphs (context) - Golumbic - 1980
196 A Lattice Model of Secure Information Flow (context) - Denning - 1976
173 The UNIX Time-Sharing System - Ritchie, Thompson - 1974
85 Formal Models for Computer Security (context) - Landwehr - 1981
43 Partially ordered sets (context) - Dushnik, Miller - 1941
39 Protection and the Control of Information Sharing in MULTICS (context) - Saltzer - 1974
23 Interval orders and interval graphs: a study of partially or.. (context) - Fishburn - 1985
15 Transitive orientation of graphs and identification of permu.. (context) - Pnueli, Lempel et al.
13 Data Security (context) - Denning, Denning - 1979
10 the dimension of partially ordered sets (context) - Hirugachi - 1951
10 the dimension of partially ordered sets (context) - Komm - 1948
4 the dimension of orders (context) - Hirugachi - 1955
The graph only includes citing articles where the year of publication is known.
Documents on the same site (http://www.list.gmu.edu/journal.htm): More
Access Control: Principles and Practice - Sandhu, Samarati (1994) (Correct)
The Demand Operation in the Schematic Protection Model - Sandhu (1989) (Correct)
Expressive Power of the Schematic Protection Model - Sandhu (1992) (Correct)
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