Apache clinical Text Analysis and Knowledge Extraction System (cTAKES) is an open-source natural language processing system for information extraction from electronic medical record clinical free-text. It processes clinical notes, identifying types of clinical named entities from various dictionaries including the Unified Medical Language System (UMLS) - medications, diseases/disorders, signs/symptoms, anatomical sites and procedures.
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ART-DECOR is an open-source tool suite that supports the creation and maintenance of HL7 Templates, Value Sets as well as Data Sets and features cloud-based federated Building Block Repositories (BBR) for Templates and Value Sets. The tool offers a Data Set and a Scenario editor, two Template editors, a Value Set editor and includes browsers for various international terminologies such as LOINC.