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  • Loading– Loading extensions to LexEVS accessed through a Service Management API that supply the following:
    • Terminology Loads from various formats:
    • Loading OWL, OBO, RRF and native LexGrid XML as well as less universal formats
      • Examples Available in the admin directory: LoadOWL, LoadOBO, LoadNCIThesOWL
    • Manifest Loads that load Coding Scheme metadata changes to an terminology in the service
      • Example: LoadManifest or as -mf option to most coding scheme loads.
    • Supplemental Coding Scheme Loads that load supplements to existing coding schemes.
      • Example: Load option for a coding scheme. Currently only available as an option in the lbGUI application.
    • Revision Loads that load changes to any given coding scheme element using a LexEVS XML schema compliant document, pushing these changes through a revision engine.
      • Example: LoadLgXML using the revision XML entry point to LexGrid XML.
    • History Loads that load histories of coding scheme changes, currently specific to NCI Thesaurus and Metathesaurus.
      *( Mappings between coding schemes loaded from MRMAP and MRSAT RRF files, or from LexGrid XML.
    • Value Set and Pick List Loads:
      • Examples: LoadLgXML using ValueSetDefinition or PickListDefinition as entry points in a LexGrid XML document.
      • Examples: SourceAssertedValueSetDefinitionLoad
    • Graphing Database loads for high speed resolution of terminology hierarchies and relationships
      • LoadGraphDataBase
    • Map Loads for mapping between terminologies.
      • Example: LoadMrMap or LoadLgXML
  • Exporting– Exporting any terminology in a LexEVS terminology service to one of three formats:
    • Export to OWL
    • Example: ExportOWL
    • Export to OBO
    • Example: ExportOBO
    • Export to LexGrid XML
    • Example: ExportLgXML
  • Indexing– normally takes place during a terminology load, but re-indexing using the Service Management API is possible:
    • Examples: RemoveIndex, RebuildIndex, BuildAssertedValueSetIndex
  • Coding Scheme Metadata Management:Loading Manifests to adjust most elements of coding scheme metadata.
    • Examples: See loading manifest for metadata changes above or examples ActivateScheme, TagScheme in the admin directory.
  • Plug-in access:All plug-ins developed for LexEVS are accessed through Service Management.
    • Examples: LexEVSService.getExtension(<plug-in class name>);
  • Loader Preferences for entity(concept) loads– Customization of how entities are loaded allows users to make choices as to how a terminology appears in LexEVS.
    • Available during load time only and as option -lp to most loaders
  • Post Load Processing– Specialty processing options for post load, such as providing the approximate number of concepts examples in the source for the lbGUI application.
    • Example for post processor implementation is in org.LexGrid.LexBIG.gui.load.PostProcessorLauncher using the LoaderPostProcessor class.

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LexEVS 6.1 features a CTS2 Compatible REST API. The REST server and an accompanying URI resolution service are installed to support this service. 


LexEVS 6.1 diagram

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