As for the maintenance and updating of thesauri it should be noted that:

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It needs to be aware of the emergence of new terms in other languages in order to adapt and include them in the thesaurus.

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The content and the terms used to describe concepts within that content will continue to grow and evolve.

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There is no need to keep an eye out for new variant terms.

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The content and the terms used to describe concepts within that content always remain static, with little variation.

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