Title :
Importance of semantics in MLS database models
Author :
Pranjic, Mario ; Fertalj, Kresimir ; Jukic, Nenad
Author_Institution :
Ruder Boskovic Inst., Zagreb, Croatia
Abstract :
What is important when choosing the multilevel security model? Is it merely the way that model implements integrity rules (i.e. entity integrity property, referential integrity property) or should the model´s semantics of what user on some specific level can see and/or believe be considered as well? In this paper, the basic concepts of multilevel security (MLS) database models are described and issues regarding the MLS semantics are considered. A comparison of well-known multilevel security models (LDV, Jajodia-Sandhu (1991), MLR, Smith-Winslett (1992) and Belief-Consistent Model) is given. The main problems, caused by the lack of semantics or incomplete semantic definitions, are discussed.
Keywords :
data models; database management systems; security of data; Jajodia-Sandhu model; LDV model; Smith-Winslett model; belief-consistent model; entity integrity property; integrity rules; multilevel security model; referential integrity property; semantics; Access control; Bellows; Data engineering; Data security; Integrated circuit modeling; Marine vehicles; Multilevel systems; Relational databases;
Conference_Titel :
Information Technology Interfaces, 2002. ITI 2002. Proceedings of the 24th International Conference on
Print_ISBN :
953-96769-5-9
DOI :
10.1109/ITI.2002.1024651
