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Offline or API-based DeCS data use


DeCS thesaurus descriptors can be consulted on this portal and on consultation platforms where DeCS is integrated, such as the FI-Admin system used for indexing LILACS documents.

DeCS data has been offered offline since 2016 and, starting in 2023, also through API services. In both cases, a simple licensing process is required to use the data. Usage licenses can be institutional or individual. Thus, DeCS data is made available to licensees in two ways:

  1. DeCS English
  2. DeCS French
  3. DeCS Portuguese
  4. DeCS Spanish

  1. Hierarchical search
  2. Word search
  3. Word search with boolean operators

In the first half of 2025, licensing requests included those from 9 different countries, as shown in the chart below.

The form currently available to DeCS license applicants offers usage options and a field for free input. The purposes are distributed, as shown in the image below, in percentages of the granted licenses.


Category: Curiosities

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