Recent Developments in Metadata at the IMF Nalini Umashankar Statistical Information Management Division International Monetary Fund March, 2010
Investments in Metadata DSBB metadata collection SDMX implementation Economic Data Warehouse-IMF.Stat Metastore Schemalogic Metadata in Operational Databases
Structural Metadata SDMX SDMX-Balance of Payment (BOP) DSD SDMX Data exchange with FAO and OECD SDMX Government Finance Statistics DSD (in progress) SDMX Principal Global Indicators (PGI)
Structural Metadata IMF.Stat IMF.Stat Dimensions Country and Group Economic Concept Data Source Unit Status Time, Frequency
Structural Metadata Metastore Central repository for structural and referential metadata Metadata source for data warehouse (IMF.Stat ) Maps production metadata to the authoritative source Includes OECD’s forty-two (42) metadata type Support metadata attachment levels for data set, country, concept, individual observation
Structural Metadata Schemalogic Enterprise repository of structural metadata (and other business vocabularies) Feeds IMF.Stat, operational databases Vocabularies in production by end-April: Country/Region Economic Concepts
Referential Metadata DSBB Metadata in DQAF format (Data Quality Assessment Framework) 67 SDDS countries and 98 GDDS countries Automation of metadata collection via ICS More comprehensive metadata planned Efforts to repurpose DSBB metadata in publications
Referential Metadata Metastore Metastore source of referential metadata for IMF.Stat Classification of metadata into 42 types Metadata attached at granular levels: Dataset Country Concept Observation Combinations Breaksymbols in IMF.Stat with explanations
Metadata Issues Governance of structural metadata Alignment with SDMX standards Standards for Metadata Operational databases adopting standards Referential metadata from DSBB Operational metadata
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