Gets available classifications. Gets child categories for the specified parent category. Gets the categories applied to the specified content resource. Modifies the categories applied to the specified content resource. Describe a classification in terms of how it is represented in the meta model i.e. is it an aspect, which property holds the applied category. Gets available classifications. Gets child categories for the specified parent category. Gets the categories applied to the specified content resource. Modifies the categories applied to the specified content resource. Describe a classification in terms of how it is represented in the meta model i.e. is it an aspect, which property holds the applied category. Provides support for classifying content resources.