metadata registries state that they follow ISO/IEC 11179 guidelines although there have been no formal third party tests developed to test for metadata registry compliance. Aristotle Metadata Registry Wikipedia page Australian Institute of Health and Welfare - Metadata Online Registry (METeOR) Minnesota Department of Education Metadata Registry (K-12 Data) Minnesota Department of Revenue Property Taxation (Real Estate Transactions) Ohio State University - open Metadata Repository (openMDR) US Department of Justice - Global Justice XML Data Model GJXDM US Environmental Protection Agency - Environmental Data Registry US Health Information Knowledgebase (USHIK) US National Cancer Institute - Cancer Data Standards Repository (caDSR) <-- Broken Link US National Information Exchange Model NIEM Metadata registry vendor tools that claim ISO/IEC 11179 compliance Nurocor MDR Software AG's OneData Metadata Registry SALUS MDR Project - EU Aristotle Metadata Registry (open source registry) Data Element Hub No independent agencies certify ISO/IEC 11179 compliance. See also Data dictionary Data reference model Global Justice XML Data Model National Information Exchange Model Representation term Semantic Web Universal Data Element Framework METeOR NCI caDSR Metadata standards ISO/IEC JTC 1/SC 32 ISO/IEC JTC 1/SC 32/WG 2 References Citations Sources ISO/IEC Joint Technical Committee on Metadata Standards Web Site 11179 Document List ISO/IEC 11179-1:2004 Metadata registries (MDR) - Part 1: Framework ISO/IEC 11179-2:2005 Metadata registries (MDR) - Part 2: Classification ISO/IEC 11179-3:2013 Metadata registries (MDR) - Part 3: Registry metamodel and basic attributes ISO/IEC 11179-4:2004 Metadata registries (MDR) - Part 4: Formulation of data definitions ISO/IEC 11179-5:2015 Metadata registries (MDR) - Part 5: Naming and identification principles ISO/IEC 11179-6:2005 Metadata registries (MDR) - Part 6: Registration Extended Business XML Naming Conventions Metadata standards Metadata registry Data modeling languages 11179