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Primary Sources tool suggests (and adds) statements violating constraints
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Some statements suggested through the primary sources tool violate property constraints.

Currently, it seems that users of the Primary Sources have no way of knowing that through the tool itself.

Some seem to have no awareness at all that they may need to check statements before adding them.

Event Timeline

Esc3300 created this task.Sep 17 2016, 10:29 AM
Restricted Application added a project: Wikidata. · View Herald TranscriptSep 17 2016, 10:29 AM
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Esc3300 awarded a token.
Hjfocs added a subscriber: Hjfocs.May 23 2018, 12:53 PM

I agree, but I think this should be handled at the data level, not at the tool one.
In Wikidata, constraint violation checks are already performed at the data level. See screenshot below, taken from

A solution could be to urge future data providers to run the same checks before uploading their datasets to the primary sources tool.