Data mining allows for a multi-dimensional analysis facilitating sets of relevant attributes of subjects (e.g. employees, user accounts, or entitlements) and objects (e.g. amount, frequency, or criticality of data accessed).
The usage control model (UCON) is a new access control paradigm proposed by Park and Sandhu that encompasses and extends several existing models (e.g. MAC, DAC, Bell-Lapadula, RBAC, etc).. Its main novelty is based on continuity of the access monitoring and mutability of attributes of subjects and objects.
Part of the issue rests on the requirement that first principles, which assert primary, indemonstrable attributes of their subjects, be necessary truths.
Multiple regression analysis was carried out using 8-OHdG concentration as a dependent variable and urinary biomarkers of exposure and Se intake, intakes of vitamins and biological attributes of the subjects as independent variables.
Models of deep brain stimulation and spinal cord stimulation have advanced over recent decades from simple, stereotyped models to sophisticated patient-specific models that can incorporate many important details of the stimulation system and the attributes of individual subjects.
Clinical attributes of the subjects, according to the presence or absence of PAD, are shown in Table 1.
Using the descriptive statistics method, the attributes of research subjects, smoking status, and data on menstrual cycles were analyzed.
Regular subsequent rounds of data collection are carried out to register all new individuals, households and residential units, and to update key variables and attributes of existing subjects.
A system to enable users to perform ad-hoc queries on collected data, select specimens based on ad-hoc set of clinical attributes of the subjects and their values as well as specimen features will be developed.
Regular subsequent rounds of data collection at prescribed intervals (every 4 months) make it possible to register all new individuals, households, residential units and to update key attributes of existing subjects.
The more recent Attribute-Based Access Control (ABAC,[11]) generalizes previous models and expresses access control policies in terms of key-value properties called attributes of the subject (e.g., the subject id, username or roles), the object (e.g., the object id, location or content) and the environment (e.g., the time, physical location or usage context).
