Repository details

CERN Open Data

Name of repository
CERN Open Data
Repository URL
http://opendata.cern.ch/
Subject(s)
Description
The CERN Open Data portal is the access point to a growing range of data produced through the research performed at CERN. It disseminates the preserved output from various research activities, including accompanying software and documentation which is needed to understand and analyze the data being shared.
Contact(s)
  • administrative: opendata-support@cern.ch
Content type(s)
Keyword(s)
Repository size
66.042 datasets
Repository type(s)
  • disciplinary
  • institutional
Mission statement for designated community
http://opendata.cern.ch/docs/about
Research data repository language(s)
  • English
Data and/or service provider
  • dataProvider

Dates

Started
2014

Institutions (3)

Institution name
CERN Scientific Information Service
Additional name(s)
  • CERN-GS-SIS
Country
European Union
Type(s) of responsibility
  • general
  • technical
Type of institution
non-profit
Institution name
European Organization for Nuclear Research
Additional name(s)
  • Conseil Europeen pour la Recherche Nucleaire
  • CERN
Institution identifier(s)
Country
European Union
Type(s) of responsibility
  • funding
  • general
  • technical
Type of institution
non-profit
Institution name
European Organization for Nuclear Research, Information Technology Department, Collaboration & Information Services
Additional name(s)
  • CERN-IT-CIS
Country
European Union
Type(s) of responsibility
  • general
  • technical
Type of institution
non-profit

Policies (1)

Policy name
CERN OpenData Terms of Use

Database access

Type of access to research data repository
open

Database licenses (1)

Database license
other

Data access (1)

Type of access to data
open

Data licenses (3)

Data license
CC0
Data license
other
Data license
Copyrights

Data upload (1)

Type of data upload
closed
Persistent identifier system(s)
  • DOI
Name of the repository software
  • InvenioRDM
Versioning
yes
Data citation guideline
https://force11.org/info/joint-declaration-of-data-citation-principles-final/
Enhanced publication
no

Application programming interfaces (2)

Type
REST
Url
https://opendata.cern.ch/api/records/
Documentation
https://inveniordm.docs.cern.ch/reference/rest_api_index/
Type
OAI-PMH
Url
https://opendata.cern.ch/oai2d?verb=Identify
Documentation
https://inveniordm.docs.cern.ch/reference/oai_pmh/

Metadata standards (1)

Metadata standard
MARC (Machine-Readable Cataloging)

Remarks

Remarks
Opendata CERN is covered by Thomson Reuters Data Citation Index. Opendata CERN uses invenio repository software. Databases: CMS - Compact Muon Solenoid; ALICE - A large ion collider experiment; ATLAS - A Toroidal LHC ApparatuS; LHCb - Large Hadron Collider beauty. The portal is a collaborative effort of the CERN groups IT-CIS and GS-SIS in collaboration with many researchers in the HEP community.
Entry date
2014-11-18
Last update
2026-09-09
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Cite this re3data.org record:

re3data.org: CERN Open Data; editing status 2026-09-09; re3data.org - Registry of Research Data Repositories. https://doi.org/10.17616/R3534W last accessed: 2026-09-28