access matrix

access matrix

[′ak‚ses ‚mā·triks]
(computer science)
A method of representing discretionary authorization information, with rows representing subjects or users of the system, columns corresponding to objects or resources of the system, and cells (intersections of rows and columns) composed of allowable operations that a subject may apply to an object.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Encrypt(M, (A, [rho]), GP, {PK})[right arrow]CT The encryption algorithm takes in a message M, an [eta]xl access matrix A with [eta] mapping its rows attributes, the global parameter, and the public keys of the relevant authorities.
The access of domains to objects was determined by the access matrix. Its rows were labeled by domain names and its columns by object names [3].
It includes an available matrix L, an access matrix X, objective function vectors F (X) and constraints.
The UP & Working project is led by Access Matrix Ltd, a subsidiary of the award winning Sadeh Lok Housing Group.
The latest developments are part of an intensive collaborative schedule on a number of strategic phases of the 21CN programme, involving the concurrent installation of a test access matrix, in tandem with the first phase of migration in South Wales this year, and the beginning of customer upgrades nationally from early next year.
During the initial phase, the QT-200 will support the Evolutionary Test Access Matrix (EVOTAM) by delivering automated remote test tools for DSL and copper plant.
In short, community colleges should adopt an "access matrix," which would regulate both the degree of access and the cost of attendance based on such student factors as age, prior schooling, career aspirations and the capacity of a state to provide quality services.
The L9310 and the L9311 integrate three functions - a subscriber line interface circuit, a solid state ringing access switch and a test access matrix - into a single package, while the L9312 and L9313 offer only the two first functions.
Establish an "access matrix." Enforce its terms by eliminating single-key access and by escorting technicians.
It also has two subsidiary firms - research and training business Access Matrix and employment agency Up & Working Ltd.
Access Matrix, part of the Sadeh Lok Housing Group, organised the event, which focused on diversity in the workplace.
The project is headed by Access Matrix, part of Edgerton-based Sadeh Lok housing group.