standards > model/format > DOI:10.25504/FAIRsharing.o67X7e
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ready Metadata Object Description Schema

Abbreviation: MODS

General Information
Metadata Object Description Schema (MODS) is a schema for a bibliographic element set that may be used for a variety of purposes, and particularly for library applications. As an XML schema it is intended to be able to carry selected data from existing MARC 21 records as well as to enable the creation of original resource description records. MODS is intended to complement other metadata formats. For some applications, particularly those that have used MARC records, there will be advantages over other metadata schemes. Some advantages are: the element set is richer than Dublin Core; the element set is more compatible with library data than ONIX; the schema is more end user oriented than the full MARCXML schema; the element set is simpler than the full MARC format. Please note that round-tripping between MARC 21 and MODS is not guaranteed.


Countries that developed this resource United States

Created in 2002

Taxonomic range

User-defined Tags

How to cite this record MODS; Metadata Object Description Schema; DOI:; Last edited: March 16, 2021, 10:11 a.m.; Last accessed: Oct 24 2021 9:48 a.m.

This record is maintained by tmee

Record added: Feb. 10, 2020, 1:07 p.m.
Record updated: March 16, 2021, 10:11 a.m. by The FAIRsharing Team.

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Additional Information


No XSD schemas defined

Access / Retrieve Data

Conditions of Use

Applies to: Data use

Data Release


No publications available

Related Standards

Reporting Guidelines

No guidelines defined

Identifier Schemas

No identifier schema standards defined


No metrics standards defined

Related Databases (5)
Biodiversity Heritage Library
The Biodiversity Heritage Library (BHL) is the world’s largest open access digital library for biodiversity literature and archives. Operating as an international library consortium, BHL provides free access to millions of pages, representing over 500 years of scientific research, alongside services like data exports, APIs, and taxonomic intelligence tools to facilitate discovery and reuse of data and collections.

Digital Repository of Ireland
The Digital Repository of Ireland (DRI) is a national trusted digital repository (TDR) for Ireland’s social and cultural data. We preserve, curate, and provide sustained access to a wealth of Ireland’s humanities and social sciences data through a single online portal. The repository houses unique and important collections from a variety of organisations including higher education institutions, cultural institutions, government agencies, and specialist archives. DRI has staff members from a wide variety of backgrounds, including software engineers, designers, digital archivists and librarians, data curators, policy and requirements specialists, educators, project managers, social scientists and humanities scholars. DRI is certified by the CoreTrustSeal, the current TDR standard widely recommended for best practice in Open Science. In addition to providing trusted digital repository services, the DRI is also Ireland’s research centre for best practices in digital archiving, repository infrastructures, preservation policy, research data management and advocacy at the national and European levels. DRI contributes to policy making nationally (e.g. via the National Open Research Forum and the IRC), and internationally, including European Commission expert groups, the Digital Preservation Coalition, DARIAH, and the OECD.

LSHTM Research Online
LSHTM Research Online is a freely accessible open access repository of research conducted by staff from the London School of Hygiene & Tropical Medicine.

Hydra digital repository
The Hydra repository is a digital archive for the University of Hull. It has been developed to hold, manage, preserve and provide access to the growing body of digital material generated through the research, teaching and administrative activities of the University.

LSHTM Data Compass
LSHTM Data Compass is a curated digital repository of research outputs produced with involvement by staff and students at the London School of Hygiene & Tropical Medicine, MRC Unit The Gambia, and/or the MRC/UVRI & LSHTM Uganda Research Unit. It hosts digital resources that are useful to verify and reproduce research findings, including: qualitative data, quantitative data, software code, processing scripts, search strategies, research instruments, and other outputs

Implementing Policies

This record is not implemented by any policy.


Record Maintainer

  • This record is maintained by tmee