Open Database License

E886859

copyleft license database license open content license

The Open Database License (ODbL) is a copyleft license designed specifically for databases, requiring that any public use, modification, or redistribution of the data remains similarly open and share-alike.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (5)

Label	Occurrences
Open Database License canonical	4
ODbL	2
Open Data Commons licenses	1
Open Database License (ODbL)	1
Open Database License (ODbL) for OpenStreetMap data	1

How this entity was disambiguated

This entity first appeared as the object of triple T10827885 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Open Database License
Context triple: [OpenStreetMap, license, Open Database License]

A. Open Software License 3.0
Open Software License 3.0 is a copyleft open-source software license that permits free use, modification, and distribution of software while imposing conditions to protect authors’ rights and ensure source code availability.
B. World Bank Open Data license
The World Bank Open Data license is a permissive data license that allows free access, use, and redistribution of World Bank datasets, typically with requirements for attribution and proper citation.
C. Open Software License 2.1
Open Software License 2.1 is an earlier version of the Open Software License, a copyleft-style open source software license designed to govern the use, modification, and distribution of software.
D. Nupedia Open Content License
The Nupedia Open Content License was a copyleft-style license created for the Nupedia encyclopedia project, allowing free use, modification, and redistribution of its articles under specific conditions.
E. OpenLDAP Public License
The OpenLDAP Public License is a free, open-source software license used primarily for the OpenLDAP directory services project, with terms similar to other permissive licenses but tailored to that software.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Open Database License
Target entity description: The Open Database License (ODbL) is a copyleft license designed specifically for databases, requiring that any public use, modification, or redistribution of the data remains similarly open and share-alike.

A. Open Software License 3.0
Open Software License 3.0 is a copyleft open-source software license that permits free use, modification, and distribution of software while imposing conditions to protect authors’ rights and ensure source code availability.
B. World Bank Open Data license
The World Bank Open Data license is a permissive data license that allows free access, use, and redistribution of World Bank datasets, typically with requirements for attribution and proper citation.
C. Open Software License 2.1
Open Software License 2.1 is an earlier version of the Open Software License, a copyleft-style open source software license designed to govern the use, modification, and distribution of software.
D. Nupedia Open Content License
The Nupedia Open Content License was a copyleft-style license created for the Nupedia encyclopedia project, allowing free use, modification, and redistribution of its articles under specific conditions.
E. OpenLDAP Public License
The OpenLDAP Public License is a free, open-source software license used primarily for the OpenLDAP directory services project, with terms similar to other permissive licenses but tailored to that software.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	copyleft license ⓘ database license ⓘ open content license ⓘ
abbreviation	ODbL ⓘ linked to: Open Database License
appliesTo	modification of databases ⓘ public use of databases ⓘ redistribution of databases ⓘ
author	Open Knowledge Foundation ⓘ
category	Legal tool for open data ⓘ Open data license ⓘ
governs	contractual use of the database ⓘ copyright in the database contents ⓘ database rights ⓘ
hasClause	Attribution ⓘ Notice ⓘ Share-Alike ⓘ
hasComponent	Contractual License ⓘ Database Contents License ⓘ Database Right License ⓘ
hasCopyleft	true ⓘ
hasGoal	ensuring derivative databases remain open ⓘ promoting open access to databases ⓘ
hasVersion	1.0 ⓘ
intendedFor	database contents ⓘ databases ⓘ
isCompatibleWith	Open Data Commons Attribution License (ODC-By) in some contexts ⓘ
isFreeLicense	true ⓘ
isOpenLicense	true ⓘ
jurisdiction	worldwide ⓘ
latestVersion	1.0 ⓘ
licenseModel	share-alike ⓘ
maintainedBy	Open Knowledge Foundation ⓘ
partOf	Open Data Commons licenses ⓘ linked to: Open Database License
permits	copying the database ⓘ distributing the database ⓘ modifying the database ⓘ using the database commercially ⓘ
publisher	Open Knowledge Foundation ⓘ
releasedBy	Open Knowledge Foundation ⓘ
releaseYear	2009 ⓘ
replaced	Creative Commons Attribution-ShareAlike 2.0 for OpenStreetMap data ⓘ linked to: Creative Commons license
replacedLicenseFor	OpenStreetMap data ⓘ
requires	crediting the source of the database ⓘ keeping the same license for derivative databases ⓘ
requiresAttribution	true ⓘ
requiresShareAlike	true ⓘ
usedBy	OpenStreetMap ⓘ
website	https://opendatacommons.org/licenses/odbl/ ⓘ

How these facts were elicited