Search results
Results From The WOW.Com Content Network
The ISO/IEC 11179 metadata registry standard uses classification schemes as a way to classify administered items, such as data elements, in a metadata registry. Some quality criteria for classification schemes are: Whether different kinds are grouped together. In other words, whether it is a grouping system or a pure classification system.
Data classification can be viewed as a multitude of labels that are used to define the type of data, especially on confidentiality and integrity issues. [1] Data classification is typically a manual process; however, there are tools that can help gather information about the data. [2] Data sensitivity levels are often proposed to be considered. [2]
The Colon Classification developed by S. R. Ranganathan is an example of general faceted classification designed to be applied to all library materials. In the Colon Classification system, a book is assigned a set of values from each independent facet. [8] This facet formula uses punctuation marks and symbols placed between the facets to ...
Pragmatic classification (and functional [40] and teleological classification) is the classification of items which emphasis the goals, purposes, consequences, [41] interests, values and politics of classification. It is, for example, classifying animals into wild animals, pests, domesticated animals and pets.
The first step in doing a data classification is to cluster the data set used for category training, to create the wanted number of categories. An algorithm, called the classifier, is then used on the categories, creating a descriptive model for each. These models can then be used to categorize new items in the created classification system. [2]
An algorithm that implements classification, especially in a concrete implementation, is known as a classifier. The term "classifier" sometimes also refers to the mathematical function, implemented by a classification algorithm, that maps input data to a category. Terminology across fields is quite varied.
Formally, a "database" refers to a set of related data accessed through the use of a "database management system" (DBMS), which is an integrated set of computer software that allows users to interact with one or more databases and provides access to all of the data contained in the database (although restrictions may exist that limit access to particular data).
Classification hierarchy. The ECLASS standard is a hierarchical system, similar to the UNSPSC classification system, for grouping products and services. It consists of four levels of hierarchy (classes): Segment (Level 1), Main Group (Level 2), Group (Level 3) and Subgroup (Level 4).