• Facets (new session)
• Description
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  • Inverse Functional Properties: Disabled (fastest) Apply to subjects only Apply to objects only Apply to both subjects and objects
  • "Same As": Disabled (fastest) Apply to subjects only Apply to objects only Apply to both subjects and objects (recommended) Apply to subjects, objects and predicates (not recommended on big datasets) Apply to predicates only (special use cases only)

About: Data Documentation Initiative     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:SystemOfMeasurement113577171, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatMetadataStandardsyago:WikicatXML-basedStandardsyago:Abstraction100002137yago:Measure100033615Bandyago:Standard107260623yago:SystemOfMeasurement113577171 New Facet based on Instances of this Class

The Data Documentation Initiative (also known as DDI) is an international standard for describing surveys, questionnaires, statistical data files, and social sciences study-level information. This information is described as metadata by the standard. Version 2 (also called "Codebook") of the DDI standard has been implemented in the Dataverse data repository and the data archives of the Inter-university Consortium for Political and Social Research. The latest version 3.3 (also called "Lifecycle") of the DDI standard was released in 2020.