In the 21st century, metadata typically refers to digital forms, but traditional card catalogs contain metadata, with cards holding information about books in a library (author, title, subject, etc.).Metadata can come in different layers: This physical herbarium record of Cenchrus ciliaris consists of the specimens as well as metadata about them, while the barcode points to a digital record with metadata about the physical record.Metadata for a Sphagnum papillosum pot that is part of a common garden experiment at Universität Greifswald
Metadata (or metainformation) is "data that provides information about other data",[1] but not the content of the data itself, such as the text of a message or the image itself.[2] There are many distinct types of metadata, including:
Descriptive metadata – the descriptive information about a resource. It is used for discovery and identification. It includes elements such as title, abstract, author, and keywords.
Structural metadata – metadata about containers of data and indicates how compound objects are put together, for example, how pages are ordered to form chapters. It describes the types, versions, relationships, and other characteristics of digital materials.[3]
Administrative metadata[4] – the information to help manage a resource, like resource type, permissions, and when and how it was created.[5]
Reference metadata – the information about the contents and quality of statistical data.
Statistical metadata[6] – also called process data, may describe processes that collect, process, or produce statistical data.[7]
Legal metadata – provides information about the creator, copyright holder, and public licensing, if provided.
Metadata is not strictly bound to one of these categories, as it can describe a piece of data in many other ways.
^"Merriam Webster". Archived from the original on 27 February 2015. Retrieved 17 October 2019.
^Gonzalez-Perez C (2018). "Metainformation". In Gonzalez-Perez C (ed.). Information modelling for archaeology and anthropology: software engineering principles for cultural heritage (1st ed.). Springer Cham. pp. 181–189. ISBN 978-3-319-72652-6.
^"An Architecture for Information in Digital Libraries". Archived from the original on 27 March 2017. Retrieved 10 May 2017.
^Zeng, Marcia (2004). "Metadata Types and Functions". NISO. Archived from the original on 7 October 2016. Retrieved 5 October 2016.
^National Information Standards Organization (NISO) (2001). Understanding Metadata(PDF). NISO Press. p. 1. ISBN 978-1-880124-62-8. Archived from the original (PDF) on 7 November 2014. Retrieved 20 June 2008.
^Directorate, OECD Statistics. "OECD Glossary of Statistical Terms – Reference metadata Definition". stats.oecd.org. Archived from the original on 11 July 2021. Retrieved 24 May 2018.
^Dippo, Cathryn; Sundgren, Bo. "The Role of Metadata in Statistics" (PDF). Bureau of Labor Statistics. Archived (PDF) from the original on 14 July 2021. Retrieved 3 February 2021.
Metadata (or metainformation) is "data that provides information about other data", but not the content of the data itself, such as the text of a message...
Metadata is the name of a US corporation and a registered trademark in the United States. Though the term "metadata" has a common generic use in information...
Core Metadata Element Set (DCMES), is a set of fifteen main metadata items for describing digital or physical resources. It was the first metadata standard...
representing metadata. The DOI for a document remains fixed over the lifetime of the document, whereas its location and other metadata may change. Referring...
The SAML metadata standard belongs to the family of XML-based standards known as the Security Assertion Markup Language (SAML) published by OASIS in 2005...
Geospatial metadata (also geographic metadata) is a type of metadata applicable to geographic data and information. Such objects may be stored in a geographic...
elements are tags used in HTML and XHTML documents to provide structured metadata about a Web page. They are part of a web page's head section. Multiple...
A metadata standard is a requirement which is intended to establish a common understanding of the meaning or semantics of the data, to ensure correct and...
The Extensible Metadata Platform (XMP) is an ISO standard, originally created by Adobe Systems Inc., for the creation, processing and interchange of standardized...
The XML Metadata Interchange (XMI) is an Object Management Group (OMG) standard for exchanging metadata information via Extensible Markup Language (XML)...
In metadata, metadata discovery (also metadata harvesting) is the process of using automated tools to discover the semantics of a data element in data...
A metadata engine collects, stores and analyzes information about data and metadata (data about data) in use within a knowledge domain. It virtualizes...
implementation, a journaling file system may only keep track of stored metadata, resulting in improved performance at the expense of increased possibility...
and later extended for the ATSC digital television system for carrying metadata about each channel in the broadcast MPEG transport stream of a television...
often referred to as a code or id code. For instance the ISO/IEC 11179 metadata registry standard defines a code as system of valid symbols that substitute...
A metadata repository is a database created to store metadata. Metadata is information about the structures that contain the actual data. Metadata is often...
A hashtag is a metadata tag that is prefaced by the hash symbol, #. On social media, hashtags are used on microblogging and photo-sharing services such...
The Metadata Encoding and Transmission Standard (METS) is a metadata standard for encoding descriptive, administrative, and structural metadata regarding...
not backward compatible with SDR. It includes HDR static metadata but not dynamic metadata. It doesn't offer the ability to optimize content to the consumer...
program for reading, writing, and manipulating image, audio, video, and PDF metadata. It is platform independent, available as both a Perl library (Image::ExifTool)...
Business metadata is data that adds business context to other data. It provides information authored by business people and/or used by business people...
Appraiser collects telemetry information. DMRC (Device Metadata Retrieval Client) interfaces to metadata about devices from Windows 7 onwards. I/O technologies...
SDMX, which stands for Statistical Data and Metadata eXchange, is an international initiative that aims at standardising and modernising ("industrialising")...
Given that metadata is a set of descriptive, structural and administrative data about a group of computer data (for example such as a database schema)...
being bound only to metadata regarding the resource. Consequently, the handles are not rendered invalid by changes to the metadata. The system was developed...
finding the metadata to the torrent. This effectively acts as a replacement to a .torrent file, which itself contains the torrent metadata, by instead...
Many file systems put only some of the metadata for a file in the directory table, and the rest of the metadata for that file in a completely separate...
Global Information
