© Metadata Technology ESCWA SDMX Workshop Session: Reference Metadata and Metadata Structure Definition.

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Presentation transcript:

© Metadata Technology ESCWA SDMX Workshop Session: Reference Metadata and Metadata Structure Definition

© Metadata Technology Session Objectives At the end of this session you will: –Know the SDMX model of a metadata structure definition –Understand the techniques to identify the structure of metadata –Identify the concepts in a simple metadata set –Be able to develop simple metadata structure definitions using SDMX tools

© Metadata Technology Reference Metadata We have seen how data values are limited to where they belong –Series key (usually qualified by time) Data attribute values are limited in where they belong –Observation value –Series key –Group key –Data set Metadata is everywhere, but –it must be metadata about “something” what is the “something” how is it identified –it comprises concepts and how are they structured The Metadata Structure Definition answers these questions Advance release calendar is only one possible example

© Metadata Technology definition of format and permitted values Metadata Structure Definition (MSD) Report Structure Metadata Attributes Format and Permitted Value List Metadata Report Concept Scheme concept defined in Concept takes semantic and context from Metadata Structure Definition can comprise the specification of one or more report can have hierarchy can comprise the specification of one or more report Target

© Metadata Technology Metadata Structure Definition Metadata Target Concept Metadata Attribute Identification elements of target object Metadata Report Target Object report for one or more Representation Coded Non- coded Code List Concept Scheme Category Scheme Organisation Scheme Representation Coded Non- coded Code List

© Metadata Technology Target Object one or more Metadata Target Identifiable Object Key Descriptor Data Set Identification elements of target object MSD: Target Object Report Period Constraint

© Metadata Technology SDMX and Quality Frameworks Examples –IMF SDDSIMF SDDS –EurostatEurostat –ILOILO –FAOFAO

© Metadata Technology IMF Special Data Dissemination Standard (SDDS)

© Metadata Technology Eurostat Euro-SDMX Metadata Structure (ESMS)

© Metadata Technology OECD.STAT Reference Metadata Example

© Metadata Technology MDG Reference Metadata Example

© Metadata Technology Exercise