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VA Technical Reference Model v 23.9

MetaMap Unstructured Information Management Architecture (UIMA) Annotator
MetaMap Unstructured Information Management Architecture (UIMA) Annotator Technology

General InformationGeneral Information help

Technologies must be operated and maintained in accordance with Federal and Department security and privacy policies and guidelines. More information on the proper use of the TRM can be found on the TRM Proper Use Tab/Section.

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Description: MetaMap Unstructured Information Management Architecture (UIMA) Annotator maps terms occurring in the Unified Medical Language System (UMLS) Metathesaurus concepts. As part of this mapping process, MetaMap tokenizes text into sections, sentences, phrases, terms, and words. MetaMap maps the noun phrases of the text to the best matching UMLS concept or set of concepts that best cover each phrase. The MetaMap Java Application Programming Interface (API) provides Java programs with programmatic access to MetaMap mapping engine. Additionally, this annotator encodes MetaMap named entities in a format utilizable by UIMA components. The annotator is based on the MetaMap UIMA Wrapper.

This technology does not use a database to store data.
Technology/Standard Usage Requirements: Users must ensure their use of this technology/standard is consistent with VA policies and standards, including, but not limited to, VA Handbooks 6102 and 6500; VA Directives 6004, 6513, and 6517; and National Institute of Standards and Technology (NIST) standards, including Federal Information Processing Standards (FIPS). Users must ensure sensitive data is properly protected in compliance with all VA regulations. Prior to use of this technology, users should check with their supervisor, Information Security Officer (ISO), Facility Chief Information Officer (CIO), or local Office of Information and Technology (OI&T) representative to ensure that all actions are consistent with current VA policies and procedures prior to implementation.
Section 508 Information: This technology has not been assessed by the Section 508 Office. The Implementer of this technology has the responsibility to ensure the version deployed is 508-compliant. Section 508 compliance may be reviewed by the Section 508 Office and appropriate remedial action required if necessary. For additional information or assistance regarding Section 508, please contact the Section 508 Office at
Decision: View Decisions

Decision Source: TRM Mgmt Group
Decision Process: One-VA TRM v22.11
Decision Date: 11/26/2022
Introduced By: TRM Request
Vendor Name: National Library of Medicine
- The information contained on this page is accurate as of the Decision Date (11/26/2022).