Simplified schema of linked datasets.

Abstract

PK = Primary Key, used to uniquely identify the records in a table. FK = Foreign Key, used to link records in different tables. NME = Nonprofit Management Education. IPEDS = The Integrated Postsecondary Education Data System. ACS = American Community Survey. FIPS = Federal Information Processing Standards (County Codes). EID = IDs for uniquely identifying publications. UNITID = IDs for uniquely identifying higher education institutions. INST. HAS ART. = Institution has articles.</p