[CODATA-international] DDI XKOS released for public use

Jared Lyle lyle at umich.edu
Thu Jun 20 21:24:58 EDT 2019

The DDI Alliance (http://www.ddialliance.org/) is pleased to announce the
public release of XKOS version 1.2, a free and open specification that
facilitates sharing and management of statistical classifications.

XKOS is a simple and elegant model to represent complex classifications via
their structural and textual properties, as well as the relations between
classifications. By leveraging the widely-used Simple Knowledge
Organization System (SKOS), XKOS extensions allow linkages to a wealth of
existing thesauri and taxonomies to better support statistical
classifications and concept management systems. XKOS also refines SKOS
semantic properties to allow the use of more specific relations between
statistical concepts, classifications, or any other case where SKOS is

XKOS is currently used at a number of national statistical agencies and has
been available as a draft since 2013. Since undergoing a final review in
2017, all issues have been addressed and corrected in preparation for the
publication of version 1.2.

Links to the specification and instructions for comment are found at:


Jared Lyle
Director, DDI Alliance
ICPSR, University of Michigan
+1 734-763-6075
lyle at umich.edu
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