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A user has a data base that uses a combination of enumerated values (for example, 0: Male, 1: Female, 9: Unknown) and codes drawn from outside code systems such as Hospital International Classification of Diseases Adapted (HICDA) or Medical Dictionary for Regulatory Activities (MedDRA). The user needs to translate these codes into the codes that are adopted by the Vocabulary and Common Data Elements workspace. The user needs to first determine whether there are existing value sets that already represent the same or a broader conceptual space represented in the user's data base. If one exists, the user then needs to determine whether a mapping exists to the corresponding HICDA or MedDRA codes. If a value set does not already exist, the user needs access to a set of tools that will (a) allow the user to upload the code list along with any corresponding descriptive information, (b) determine which code system(s) are appropriate targets, (c) perform the actual mapping, which is described in a separate use case. Note that the user may need to record local mappings (enumerated values that are of no interest to the larger community) locally while recording mappings between external code systems in a fashion that is accessible by the whole community. Once the mappings are recorded, the user needs access the Semantic Infrastructure 2 framework to locate a service that will allow the user to automate the transformations in the target workflow environment, localizing the service if needed to meet performance or confidentiality requirements and connecting the service to the appropriate mapping(s). The user may also need to embed links to this code in the user's ocal local software.

2 - Create nested value sets

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The NCI Enterprise Vocabulary Services have developed a rich community and have documented (EVS) will provide terminology content and technical support for the Semantic Infrastructure 2.0, and has an extensive user community with use cases and requirements . These use cases and requirements are here\.that will help shape development of the new infrastructure. Further details are available on the EVS Development Path and EVS - Overview of Use and Collaborations pages.