Commons:Structured data/Features glossary

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This page is a work in progress page, not an article or policy, and may be incomplete and/or unreliable.
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This glossary defines commonly used terms for the structured data of files. Some of these terms may be new to Commons.

Caption is a short language-specific plain-text description of the contents of a file, analogous to label in Wikidata.

Depicts is a special type of statement, using the Wikidata property "depicts (P180)". It is the first suggested property to add to a file without any statements.

Description or probably details (planned feature) is a longer language-specific description of the contents of a file, probably containing some wikitext markup, analogous to description in Wikidata and "description" field in {{Information}} template.

MediaInfo is a type of entity, storing in a "slot" of file description pages. Each file contains one MediaInfo entity, which contains all structured data of the file. If no MediaInfo data is find in a file description page, a virtual MediaInfo entity will be automatically generated.

Prominence is a mechanism for annotating multiple values for a statement. It allows users to improve the results of queries by selecting which values should be included in a search. Prominent statements have a "preferred" rank in Wikibase software behind structured data, where other statements have a "normal" rank. "Deprecated" rank is currently not supported.

Statement is a structured way of recording information about a file. A statement consists of a claim, zero or more references (currently not available in structured data), and a rank; a claim in turn consists of a property and either a value or one of the special cases "no value" and "unknown value" (currently they are not supported), and zero or more qualifiers.

v t e Structured Data on Wikimedia Commons
Features	Depicts File captions Statements Glossary
Tools	Computer-aided tagging ISA Depictor AC/DC SDC tool QuickStatements SPARQL query service Image Annotator
About	About Structured Commons Why we work on this Users and user stories History of the project Past and current development Team Frequently Asked Questions (FAQ) Project glossary Press and presentations Contact
Get involved	How to get involved How to find structured data on Commons Help collecting interesting Commons files Help determine how Structured Data metadata should be modelled on Commons
GLAM	Structured Data on Commons for Galleries, Libraries, Archives, and Museums Value for GLAMs Commons or Wikidata How to upload Tools for GLAMs Workflow for GLAMs Examples Events and workshops
Discussion	General talk page Talk page about data modeling Property proposals
Modeling	Properties table Author Copyright Date Depiction Illustrations Image capture Location Maps Participant Quality Significant Event Source
In other projects	Phabricator (tasks, bug reports) mediawiki.org (project reports) meta.wikimedia.org (general background, newsletter, signup to focus group)
Related	Media search Structured data across Wikimedia (SDAW) International Image Interoperability Framework (IIIF)
Archived info about Structured Commons (before 2017) Information and discussion about the project grant from the Alfred P. Sloan Foundation (2016)

Commons:Structured data/Features glossary

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