In this chapter, the following terms have the meanings indicated. Terms Defined. “Center” means the Maryland Longitudinal Data System Center. “Data partner” means a State agency, an industry certifier, or other entity that originally collects student and workforce data and provides that data to the Center under Education Article, §24-707, Annotated Code of Maryland. Data Request. “Data request” means a request for an aggregate data set created by linking two or more data tables. “Data request” does not include a request that requires: Analysis or the application of advanced statistical methods; or Creation of constructed variables.