I like where you are going a lot... GND is given as an example and for any source including the GND we know things can be wrong as well. They regularly are and there is a process in place for indicating where GND and WP-DE differ. This works well because in time the GND does look and remedy or comments.  So when a source differs, we need a report. Such a report is GOLD. Because it enables us to verify what is right and what differs. The people who care so much about sources will have a field day with this BECAUSE it is actually worthwhile to spend time on such differences.

When GND has data and Wikidata does not, we should import from sources. I prefer data over no data any day. Particularly when we strive to have comparisons between multiple sources.. Nonsense will weed itself out in this way.

What we need is a process of reconciliation of what is there in the first place, where sources differ and how we deal with eventual changes in the sources (they do include the various Wikipedias, Wikisources, Wikibooks, Wikinews, Wikitravels..)

On 20 February 2015 at 11:40, Lydia Pintscher <lydia.pintscher@wikimedia.de> wrote:
Hey folks :)

The students team working on data quality is making good progress. For
some reason their emails don't go through to this list so I am sending
it for them below.


Hey :)

We are a team of students from Hasso-Plattner-Institute in Potsdam,
Germany. For our bachelor project we're working together with the team
of Wikidata to ensure their data quality.
On our wiki page (https://www.mediawiki.org/wiki/WikidataQuality) we
introduce our projects in more detail.
One of them deals with constraints, for which we need your input since
we want to work on constraints as statements on properties and the
final form of those still needs to be specified.
So far, we hope you like our projects and we appreciate your input!

the Wikidata Quality Team

Lydia Pintscher - http://about.me/lydia.pintscher
Product Manager for Wikidata

Wikimedia Deutschland e.V.
Tempelhofer Ufer 23-24
10963 Berlin

Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e. V.

Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg
unter der Nummer 23855 Nz. Als gemeinnützig anerkannt durch das
Finanzamt für Körperschaften I Berlin, Steuernummer 27/681/51985.

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