Hi Gerard,
I was not trying to judge here. I was just saying that it wasn't much data in the end. For me Freebase was basically cherry-picked.
Meanwhile, the data we extract is more pertinent to the goal of having Wikidata cover the info boxes. We still have ~ 500 million statements left. But none of it is used yet. Hopefully we can change that.
Meanwhile, Google crawls all the references and extracts facts from there. We don't have that available, but there is Linked Open Data.
-- Sebastian
On September 27, 2019 5:26:43 PM GMT+02:00, Gerard Meijssen gerard.meijssen@gmail.com wrote:
Hoi, I totally reject the assertion was so bad. I have always had the opinion that the main issue was an atrocious user interface. Add to this the people that have Wikipedia notions about quality. They have and had a detrimental effect on both the quantity and quality of Wikidata.
When you add the functionality that is being build by the datawranglers at DBpedia, it becomes easy/easier to compare the data from Wikipedias with Wikidata (and why not Freebase) add what has consensus and curate the differences. This will enable a true datasense of quality and allows us to provide a much improved service. Thanks, GerardM
On Fri, 27 Sep 2019 at 15:54, Marco Fossati fossati@spaziodati.eu wrote:
Hey Sebastian,
On 9/20/19 10:22 AM, Sebastian Hellmann wrote:
Not much of Freebase did end up in Wikidata.
Dropping here some pointers to shed light on the migration of
Freebase
to Wikidata, since I was partially involved in the process:
- WikiProject [1];
- the paper behind [2];
- datasets to be migrated [3].
I can confirm that the migration has stalled: as of today, *528 thousands* Freebase statements were curated by the community, out of
*10
million* ones. By 'curated', I mean approved or rejected. These numbers come from two queries against the primary sources tool database.
The stall is due to several causes: in my opinion, the most important one was the bad quality of sources [4,5] coming from the Knowledge
Vault
project [6].
Cheers,
Marco
[1] https://www.wikidata.org/wiki/Wikidata:WikiProject_Freebase [2]
http://static.googleusercontent.com/media/research.google.com/en//pubs/archi...
[3]
https://www.wikidata.org/wiki/Wikidata:Primary_sources_tool/Version_1#Data
[4]
https://www.wikidata.org/wiki/Wikidata_talk:Primary_sources_tool/Archive/201...
[5]
https://www.wikidata.org/wiki/Wikidata:Requests_for_comment/Semi-automatic_A...
[6] https://www.cs.ubc.ca/~murphyk/Papers/kv-kdd14.pdf
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