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The cTAKES 3.0 Component Use Guide will help you to understand in great detail each of the cTAKES components that have been installed. In some cases you can learn how to improve the components. However, before you go on to process text in production you will need to consider dictionaries and models. It is not likely that the UMLS dictionaries will match to your underlying data completely. Also, it is even less likely that the text models (trained on specific data) will be the appropriate model for your data.

Dictionaries

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UMLS Dictionaries

cTAKES includes the complete a simple, very limited dictionary to make functions work since annotation is dependent upon having a dictionary. cTAKES DOES NOT include UMLS (SNOMED-CT and RxNorm) dictionaries.

In order to make it easy to obtain common dictionaries cTAKES maintains a SourceForge project

  • The OrangeBook
  • An rxnorm_index database (a Lucene index) containing drug names from RxNorm
  • A UMLS database (using two hsqldb tables) containing anatomical sites, procedures, signs/symptoms, and disorders/diseases from SNOMED-CT (umls_ms_2011ab)

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