Jeff Catlin, CEO at Lexalytics, the analytical engine used by Reuters, said that in financial services the company uses a training based classification model.

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ABC1 classification is based on the registrar-general's scheme, but pays more attention to differences in income.

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Nevertheless, there are corporate guidelines for what kinds of information can be published on the Web, based on an information classification scheme Du Pont devised in 1928.

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Most diagnoses in the UK are based on the International Classification of Diseases (ICD), published by the World Health Organization, which is up for revision in 2015.

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Burgundians believe a wine's character is derived principally from the plot of land the vine is planted on, which is graded by a classification system based on the vineyard, village and subdistrict.

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These vehicles' front passenger airbags may not deploy in the event of a crash because of a possible problem with their occupant classification system, which gauges the size of a passenger and based on that whether an air bag should be deployed.

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