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Subject Matter Experts Subject Matter Experts (Also Referred to as Departmental GIS Lead) are responsible for particular data resources . If a proposed resource is similar to , or has a potential impact on , an existing resource, the SME for the existing resource needs to review the submittal . The SME will make or oversee the changes to the data resource when updates are required . The SME should provide guidance to the GIS Director as to whether or not the proposed resource conflicts with , enhances, or will result in changes to an existing resource or resources . The SME is further responsible for updates to a modified data resource ' s metadata file . Supervisor The Supervisor for each SME is responsible for ensuring that the SME is qualified and has enough time as well as resources ( i .e . , training , computer system , or other resources) to perform the duties required . Data Maintenance Procedure for Existing Data Three types of spatial data layers will be utilized by Indian River County: 1 . Layers used and maintained by only one department 2 . Layers maintained by one department , but used by many 3 . Layers updated by the GIS Director The following guidelines do not apply to layers that are used and maintained by only one department . Any GIS user may request changes or updates to an existing data resource . The request is made to their SME using the Data Maintenance Request form (see Example A below) . The SME will review the request and approve it, if deemed appropriate , and forward the request to the GIS Director. The GIS Director will review the request to ensure that the layer is in compliance , and if it is, the request will be sent back to the SME . Because specific departments continually maintain some layers , it is not feasible to require that each change be approved through the full chain of command . In such cases it is recommended that blanket annual approval of these updates should be granted . The GIS Director should create an application that will audit, test, and validate these data layers to check for consistency and validity . Semi-annual testing of these data layers should be implemented . The SME is responsible for completing all of the corrections and/or updates , including updates to the metadata file . Corrections should be made to copies of the data resource files as required . The GIS Director may assist the SME in this effort by providing technical support, staff resources , CAD to GIS conversion , and other tasks as required : however, it is ultimately the SME ' s responsibility to ensure that the new data is correct . Once a request is approved and new files are finalized , the SME will return the completed v request form to the GIS Director along with the updated data . Data files may be on separate media ( CD , floppy, etc .) , or a corresponding network location ( s ) may be indicated on the request form . The intended final disposition of the original data resource files should also be indicated on the form . The GIS Director will be responsible for validating new data . This responsibility includes : • Verifying that topology and attribute structure of the new data matches that of the old • Verifying that attribute record data are intact 6- 12 GIS Needs Assessment and Implementation Plan Chapter 6 - Data Standards and Transfer