LexEVS 6.1

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Panel title At a Glance Details Version Number and Release Date: v6.1 TBD Primary audience: System administrators (Server); Developers (API) Installation Level: Intermediate - technical assistance may be required, download may require supporting infrastructure or software System Requirements: Refer to Prerequisite Software and Supported Platforms.

Application Overview

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LexEVS includes the following components:

• Terminology Server - An enterprise level terminology server
• Java API - A Java interface based on the LexGrid Object Model
• CTS2 1.0 compliant REST interface
• REST/HTTP caCORE Interface - Offers basic HTTP based query mechanism from which results are returned in either XML or HTML formats
• SOAP/Web Services Interface - Provides a programming language neutral Service-Oriented Architecture (SOA)
• Distributed API - A Java interface based on the LexGrid data model and relies on a LexEVS Proxy and *Distributed LexEVS Adapter to provide remote clients access to the native LexEVS API
• LexEVS Grid Services - An interface which uses the caGRID infrastructure to provide access to the native LexEVS API via the caGRID Services
• Developers GUIs - Server administration, query testing, and value set development can be performed by a developer

The name LexEVS highlights the merging of LexGrid, LexBIG, and EVS technologies and designates an entire suite of tools. In this suite, LexGrid is the underlying model for standard storage of controlled vocabularies and ontologies. The LexBIG API is the set of services that EVS adapters use to store and retrieve terminology metadata. LexEVS APIs are a combination of convenience methods and the LexBIG API (combining LexBIG and the EVS adapters into one set of services). For detailed information, refer to the LexEVS architecture overview.

After you have a chance to get familiar with the LexEVS suite, consider looking through the LexEVS 6.1 Functionality Overview. This lays out everything that can be done from a developer's or ontologist's point of view.

Installation and Downloads

The installation overview provides an introduction to the different environments that can be installed. Refer to the [LexEVS:LexEVS 6.x Installation Guide] for more information.

The LexEVS 6.1 Installation Options identify the download files for each LexEVS environment that can be installed (Local Runtime, Distributed, and Grid Services).

The LexEVS Widget Library lists many widgets that have been developed for use by particular customers. These widgets have been found to be potentially useful to a wider audience. Each widget has a description for you to use in deciding if you'd like to dig deeper and find out the usefulness of the widget in your application.

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Forum and Support

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What's New (Includes CTS2 Compliant API)

LexEVS 6.1 is the latest release.

CTS2 Compliance

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CTS2 References on this Wiki

LexEVS 6.x CTS2

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Additional Functionality

Also included in this package:

• Bulk download
• Global Search of terminology service
• Loader written to load HL7 MIF content into LexEVS.
• Loader written to load native MedDRA content to LexEVS.
• OWL2 loader written to load NCIT OWL2 content into LexEVS.
• Resolved ValueSet loader written to allow for the persisting of resolvedValueSet content.
• Bug fixes

Documentation and Training

• LexEVS 6.x Installation Guide - outlines the supported configurations and technical installation instructions for LexEVS Vocabulary Services for caBIG®
• LexEVS 6.x Administration Guide -  outlines the environment configuration from the perspective of an existing installation
• LexEVS 6.x Programmer's Guide - explains the LexEVS API (services, extensions, utilities, and GUI); also many related APIs
• LexEVS 6.x Design and Architecture Guide - explains the LexGrid model and the LexBIG services
• LexEVS 6.x Value Set and Pick List Definition Guide  - explains the LexEVS 6.x Value Set and Pick List Definition documentation
• LexEVS 6.x Loader Guide -- intended for a LexEVS developer and provides information about the loaders provided, mapping, and how to create your own loaders using the loader framework
• LexEVS 6.x OWL Export Guide - explains the steps necessary to export content in OWL/RDF format
• LexEVS 6.1 Javadocs - There are several parts to the LexEVS Javadocs to consult depending on what you are looking for. To download any of the Javadocs, go to the Javadocs section on the downloads page. You will find one download including all the Javadocs.
• The Grid Data Service for LexEVS sits behind a caGrid interface. Most users do not reach this service via the Java API and in fact only a single method in the caGrid API is of interest. It can be found in the Grid Data Service Implementation.

Presentations, Demos, and Other Materials

Presentations

CTS2 Tutorial

Refer also to LexEVS Presentations.

Examples

Query Service with Program Examples, included in the LexEVS base installation. Both Lexical Set Operations and Graph Operations are included for common vocabulary functions using a sample vocabulary and CodedNodeSet. This is described in the LexEVS 6.x Installation Guide.

Example Programs and Verification Test Suite, included in the LexEVS base installation. The Example Programs provide a limited interactive demonstration of LexEVS capabilities. Both are explained in the LexEVS 6.x Installation Guide.

Code examples, LexEVS Example Code zip file. These are code examples for subjects of frequently asked questions such as creating a coded node graph using the LexBIG convenience methods.

Contributions

The contribution process is described in LexEVS Community Code Contribution. LexEVS source code is in the NCIP channel of Github

Related Applications

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