Publishing Linked Data - Linked Data: A Geographic Perspective - page 129

This particular license (CC-BY-SA) meets the Open Linked Data principles and,
expressed in Turtle format, is as follows:

1 @prefix rdf: < http://www.w3.org/1999/02/22-rdf-syntax-ns# >.
2 @prefix dc: < http://purl.org/dc/elements/1.1/ > .
3 @prefix dcq: < http://purl.org/dc/terms/ > .
4 @prefix cc: < http://creativecommons.org/ns# > .
5
6 < http://creativecommons.org/licenses/by-sa/3.0/ >
7 rdf:type cc:License ;
8
9 cc:requires
10 cc:Notice,
11 cc:ShareAlike,
12 cc:Attribution ;
13 cc:legalcode < http://creativecommons.org/licenses/by-
14 sa/3.0/legalcode”/>;
15 dc:creator < http://creativecommons.org”/ > ;
16 cc:permits
17 cc:Distribution,
18 cc:Reproduction,
19 cc:DerivativeWorks ;
20 dc:identifier “by-sa”
21 cc:licenseClass < http://creativecommons.org/license/” > ;
22 dc:title “Attribution-ShareAlike 3.0 Unported”;
23 dcq:hasVersion “3.0”.

The use of the CC-BY-SA license for data, however, is sometimes discouraged as
it was not specifically designed for data but for any type of content. Some more suit-
able open licenses, designed for data, include

• http://www.opendatacommons.org/licenses/pddl/1.0/ (public domain for data/

databases)

• http://www.opendatacommons.org/licenses/odbl/1.0/ (attribution for data/

databases)

• http://www.opendatacommons.org/licenses/by/1.0/ (attribution and Share-Alike

for data/databases)

• http://creativecommons.org/publicdomain/zero/1.0/ (Creative Commons

Public Domain Waiver; see Section 7.8.3)

• http://reference.data.gov.uk/id/open-government-licence (an open license used

by the U.K. government)

However, if for commercial reasons you need to place licensing restrictions on
your data, the process for adding a license remains the same: create a license in RDF
and link your dataset to it using the dcterms:license prop er t y.