Hoi,When you leave out qualifiers, you will find that Ronald Reagan was never president of the United States and only an actor. Yes, omitting the statements with qualifiers is wrong but as a consequence the total of the information is wrong as well.I do not see the point of this functionality. It is wrong any way I look at it. Without qualifiers information is wrong. Without statements information is wrong and without the items involved the information is incomplete and wrong.As I see it you cannot win. Including this type of RDF export produces something that I fail to see serves any purpose or it is the purpose that you can.Thanks,GerardMOn 11 June 2014 12:03, Markus Krötzsch <markus@semantic-mediawiki.org> wrote:
On 10/06/14 22:50, Gerard Meijssen wrote:Our normal exports include all the qualifiers and references.
Hoi,
It is stated that there are no qualifiers included. In one of the
articles you write that it is to be understood that the vailidity of the
information is dependent on the existing qualifiers.
What is the value of these RDF exports with the qualifiers missing?
Our simplified exports include only those statements that don't have qualifiers. You are right that it would lead to wrong information to leave away quantifiers.
Cheers,
Markus
<mailto:markus.kroetzsch@tu-dresden.de>> wrote:http://tools.wmflabs.org/__wikidata-exports/rdf/
Hi all,
We are now offering regular RDF dumps for the content of Wikidata:
http://tools.wmflabs.org/__wikidata-exports/rdf/exports/
<http://tools.wmflabs.org/wikidata-exports/rdf/>
RDF is the Resource Description Framework of the W3C that can be
used to exchange data on the Web. The Wikidata RDF exports consist
of several files that contain different parts and views of the data,
and which can be used independently. Details on the available
exports and the RDF encoding used in each can be found in the paper
"Introducing Wikidata to the Linked Data Web" [1].
The available RDF exports can be found in the directory
<http://tools.wmflabs.org/wikidata-exports/rdf/exports/>. Newhttp://korrekt.org/page/__Introducing_Wikidata_to_the___Linked_Data_Web
exports are generated regularly from current data dumps of Wikidata
and will appear in this directory shortly afterwards.
All dump files have been generated using Wikidata Toolkit [2]. There
are some important differences in comparison to earlier dumps:
* Data is split into several dump files for convenience. Pick
whatever you are most interested in.
* All dumps are generated using the OpenRDF library for Java (better
quality than ad hoc serialization; much slower too ;-)
* All dumps are in N3 format, the simplest RDF serialization format
that there is
* In addition to the faithful dumps, some simplified dumps are also
available (one statement = one triple; no qualifiers and references).
* Links to external data sets are added to the data for Wikidata
properties that point to datasets with RDF exports. That's the
"Linked" in "Linked Open Data".
Suggestions for improvements and contributions on github are welcome.
Cheers,
Markus
[1]
<http://korrekt.org/page/Introducing_Wikidata_to_the_Linked_Data_Web>
[2] https://www.mediawiki.org/__wiki/Wikidata_Toolkit+49 351 463 38486 <tel:%2B49%20351%20463%2038486>
<https://www.mediawiki.org/wiki/Wikidata_Toolkit>
--
Markus Kroetzsch
Faculty of Computer Science
Technische Universität Dresden
http://korrekt.org/
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