Open Database License: Difference between revisions

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{{short description|IShare-alike promiselicense tofor obey the licensedatabases}}

{{Infobox software license

| name = Open Database License

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The '''Open Database License''' ('''ODbL''') is a [[copyleft]] [[license]] agreement intended to allow users to freely share, modify, and use a [[database]] while maintaining this same freedom for others.<ref name="ODbL1">{{cite web|url=http://www.opendatacommons.org/licenses/odbl/1.0/|title=Open Database License (ODbL) v1.0|publisher=[[Open Data Commons]]|access-date=2 July 2011}}</ref>

ODbL is published by [[Open Data Commons]], which is part of [[Open Knowledge Foundation]].<ref name="ODC-About">{{cite web|url=http://www.opendatacommons.org/about/|title=Open Data Commons - About|publisher=[[Open Data Commons]]|access-date=2 July 2011}}</ref>

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==Conditions==

* Attribute: You must attribute any public use of the database, or works produced from the database, in the manner specified in the ODbL. For any use or redistribution of the database, or works produced from it, you must make clear to others the license of the database and keep intact any notices on the original database.

* AttributeShare-Alike: YouIf mustyou attributepublicly use any publicadapted useversion of thethis database, or works produced from thean database in the manner specified in the ODbL. For any use or redistribution of theadapted database or works produced from it, you must makealso clearoffer tothat others the license of theadapted database and keep intact any notices onunder the original databaseODbL.

* Share-Alike: If you publicly use any adapted version of this database or works produced from an adapted database, you must also offer that adapted database under the ODbL.

* Keep open: If you redistribute the database, or an adapted version of it, then you may use technological measures that restrict the work (such as [[digital rights management]]) as long as you also redistribute a version without such measures.

==Notable uses==

The [[OpenStreetMap]] (OSM) project completed the move from a [[Creative Commons]] license to ODbL in September 2012<ref>{{cite web|title=OpenStreetMap data license is ODbL|date=12 September 2012 |url=http://blog.osmfoundation.org/2012/09/12/openstreetmap-data-license-is-odbl/|publisher=OpenStreetMap Foundation|access-date=17 September 2012}}</ref> in an attempt to have more legal security<ref>{{cite web|title=Legal FAQ|url=https://wiki.openstreetmap.org/wiki/Legal_FAQ/CC-BY-SA_Archive#What.27s_this_about_a_licence_change.3F|publisher=OpenStreetMap}}</ref> and a more specific license for databases rather than creative works.<ref>{{Cite journalthesis |last=Mayr |first=Markus |title=A Web-Based System for Comparative Analysis of OpenStreetMap Data by the Use of CouchDB |url=https://bizstandingrepositum.comtuwien.at/ |journal= |via=Academiahandle/20.edu500.12708/8850}}</ref>

Other projects using ODbL include [[OpenCorporates]],<ref>{{Cite web|url=https://opencorporates.com/legal/licence|title = Licence :: Info :: OpenCorporates}}</ref> [https://www.opendatablend.io/ [Open Data Blend]],<ref>{{Cite web|title=Open Database Licence (ODbL) {{!}} Open Data Blend|url=https://www.opendatablend.io/open-database-licence|access-date=2021-07-20|website=www.opendatablend.io}}</ref> [[Open Food Facts]],<ref>{{Cite web|url=https://world.openfoodfacts.org/data|title=Data|website=world.openfoodfacts.org}}</ref> and [[Paris OpenData]].,<ref>{{Cite web|url=https://opendata.paris.fr/page/lalicence/|title=Open Data Paris|website=opendata.paris.fr}}</ref> Overturesand [[Overture Maps Foundation|Overture Maps]].<ref>{{cite web |title=Download – Overture Maps Foundation |url=https://overturemaps.org/download/ |access-date=26 July 2023}}</ref>

The [[OpenStreetMap]] (OSM) project completed the move from a [[Creative Commons]] license to ODbL in September 2012<ref>{{cite web|title=OpenStreetMap data license is ODbL|url=http://blog.osmfoundation.org/2012/09/12/openstreetmap-data-license-is-odbl/|publisher=OpenStreetMap Foundation|access-date=17 September 2012}}</ref> in an attempt to have more legal security<ref>{{cite web|title=Legal FAQ|url=https://wiki.openstreetmap.org/wiki/Legal_FAQ/CC-BY-SA_Archive#What.27s_this_about_a_licence_change.3F|publisher=OpenStreetMap}}</ref> and a more specific license for databases rather than creative works.<ref>{{Cite journal |last=Mayr |first=Markus |title=A Web-Based System for Comparative Analysis of OpenStreetMap Data by the Use of CouchDB |url=https://bizstanding.com/ |journal= |via=Academia.edu}}</ref>

Other projects using ODbL include [[OpenCorporates]],<ref>{{Cite web|url=https://opencorporates.com/legal/licence|title = Licence :: Info :: OpenCorporates}}</ref> [https://www.opendatablend.io/ Open Data Blend],<ref>{{Cite web|title=Open Database Licence (ODbL) {{!}} Open Data Blend|url=https://www.opendatablend.io/open-database-licence|access-date=2021-07-20|website=www.opendatablend.io}}</ref> [[Open Food Facts]],<ref>{{Cite web|url=https://world.openfoodfacts.org/data|title=Data|website=world.openfoodfacts.org}}</ref> and [[Paris OpenData]].<ref>{{Cite web|url=https://opendata.paris.fr/page/lalicence/|title=Open Data Paris|website=opendata.paris.fr}}</ref> Overtures Maps<ref>{{cite web |title=Download – Overture Maps Foundation |url=https://overturemaps.org/download/ |access-date=26 July 2023}}</ref>

== See also ==

* [[Sui generis database right]]

* {{slink|Linux Foundation|Community Data License Agreement (CDLA)}}

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==External links==

* [https://opendatacommons.org/licenses/odbl/ Open Database License (ODbL)] Open Data Commons.

{{Open data navbox}}

[[Category:Licensing]]

[[Category:Databases]]

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[[Category:OpenStreetMap]]

[[Category:Copyleft]]

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