Abstract
Many multi-level relational data models have been proposed in the literature but the conventional models of authorization that have been designed for database systems supporting the hierarchical, network and relational models of data do not provide adequate mechanisms to support controlled access of spatial objects and topological relationship based on spatial information. We propose MLS/SDM, which is a spatial data model for multi-level secure environments in this paper. We also extend the multi-level secure relational model to capture the operations and constraints required of a spatial database and add new ideas to build the new multi-level secure spatial data model.
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© 2004 Springer-Verlag Berlin Heidelberg
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Oh, YH., Bae, HY. (2004). MLS/SDM: Multi-level Secure Spatial Data Model. In: Laganá, A., Gavrilova, M.L., Kumar, V., Mun, Y., Tan, C.J.K., Gervasi, O. (eds) Computational Science and Its Applications – ICCSA 2004. ICCSA 2004. Lecture Notes in Computer Science, vol 3043. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-24707-4_28
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DOI: https://doi.org/10.1007/978-3-540-24707-4_28
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