Wikidata June 2015

wikidata@lists.wikimedia.org

69 participants
44 discussions

[Wikidata-l] wikidata tag on Openstreetmap
by Jo 07 Jun '15

07 Jun '15

Hi, I'm a longtime OSM contributor. I like the idea of Wikidata and what I'm really interested in is a sort of bridge between both projects. Would somebody be interested in writing a game like application, which would invoke JOSM Remote Control (JOSM RC) at the coordinates in the wikidata item and wikidata=Q.... in the clipboard? That would make it easier to add such tags to the OSM objects. Polyglot

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ViziData
by Georg Wild 07 Jun '15

07 Jun '15

I'd like to once more draw your attention to ViziData [1]. The project has matured a bit since I first brought it up here a few months ago. Most notably there is now an underlying tile map providing some orientation better integration and interaction between map and timeline and the possibility to list items aggregated in a map cell. I created an overview page [2] for the Wikidata Visualization Challenge, which can aid as quick reference for usage of the application (although it is pretty cluttered). The version linked on that page is my submission to the challenge and already outdated though, the most up to date version should usually be found on the link in this mail [1]. There are only 2 new datasets, one is all locations that have a statement about their populations, however that needs some more work and fine tuning. The other is any item that has a coordinate location statement, filterable by the number of interwiki links. It shows a pretty good coverage of the world, bring some patience though because the 60mb json can take some time depending on the connection. Also, slower hardware might get a bit exhausted going through the ~2.1 Million items. I guess one can imagine various use cases for the application. For instance, here is the people who died in the Netherlands in 2015 in Vizidata [3]. Be aware however, that those haven't necessarily been Dutch and also it doesn't include Dutch people who died somewhere else. Comparing with Gerards list [4] there seem to be quite some people missing. That's mainly because items that don't have both a date of death and a place of death statement are dropped from the datasets. Maybe it would be an option to include country of citizenship as a fallback but it could lead to slightly incorrect representation of the data. I hope this tool can provide some interesting insights and help to illustrate where there is most room for improvements in our data base. Feel free to comment if you have questions or proposals, or maybe an idea for a dataset that you would like to see in ViziData. Georg [1] http://wwwpub.zih.tu-dresden.de/~s5219191/vizidata/ [2] http://wwwpub.zih.tu-dresden.de/~s5219191/vizichallenge/ [3] http://wwwpub.zih.tu-dresden.de/~s5219191/vizidata/#d=0&m=humans&l=en&f=1&e… [4] https://www.wikidata.org/wiki/User:Jura1/Recent_deaths_in_the_Netherlands

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Quality for Wikidata
by Gerard Meijssen 06 Jun '15

06 Jun '15

Hoi, When we are to assess the quality of Wikidata, there are a few criteria we need to assess. - accuracy - bias - timeliness - completeness Arguably Wikidata needs to improve a lot on all four points.Whatever approach we take all four criteria are essential. Making Wikidata more complete is done by adding data we do not have from sources that are reliable enough. Timeliness needs attention from people as well. Increased accuracy can be achieved by comparing our data with the data from others and researching the differences. Bias.. do not know what to suggest except for making our data more complete, timely and accurate. We do not need to wait for anything. We certainly should not insist on sources for each statement as this will not bring us anything re the four criteria. The reason for this post is that our priorities are flawed because of Wikipedia think. Wikidata may be used on Wikipedia and it makes sense when Wikidata data fulfils the four criteria mentioned above,, Please discuss this and consider the merits of the argument. Thanks, GerardM http://ultimategerardm.blogspot.nl/2015/06/wikipedia-its-tyranny-of-sources…

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Re: [Wikidata] Historic buildings/National trust
by Mike Cummins 06 Jun '15

06 Jun '15

Andy Mabbett wrote: > Mike Can you post some examples, please? What do you mean by "in the> text" - the Wikidata descriptions? Wikipedia content? If you look at the Baddesley Clinton entry on Wikipaedia, (http://en.wikipedia.org/wiki/Baddesley_Clinton) you will see that in the right hand box, Owner: National Trust. If you look at the Wikkidata entry (https://www.wikidata.org/wiki/Q4386885) that information is not present. Conversely, look at Packwood House (http://en.wikipedia.org/wiki/Packwood_House) and see that corresponding Wikidata page has a statement of 'Owned by the National Trust'. (https://www.wikidataorg/wiki/Q7123054). There are many, many examples. I have escalated my emails to both Historic England and the National Trust to get their data in a useable form. Apropos of which, the WayBackWhen site is particularly interesting :-) > All: thanks for making my good friend Mike welcome. Thanks all. My first paid computing job was to write a database system (1984) and I have been involved ever since. been a while since I played with really big data (most I have played with recently has been the Postcodes issue) but am looking forward to making even a slight improvement for Wiki. Mike

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[Wikidata-l] next 2 rounds of arbitrary access coming up
by Lydia Pintscher 06 Jun '15

06 Jun '15

Hey folks :) The rollout of arbitrary access on Dutch Wikipedia and French Wikisource seems to be going well so we're going to continue the rollout. The next projects will be: * 18. May: Farsi Wikipedia, English Wikivoyage, Hebrew Wikipedia * 1. June: Italian Wikipedia, all remaining Wikisource Cheers Lydia -- Lydia Pintscher - http://about.me/lydia.pintscher Product Manager for Wikidata Wikimedia Deutschland e.V. Tempelhofer Ufer 23-24 10963 Berlin www.wikimedia.de 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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Historic buildings/National trust (Mike Cummins)
by Mike Cummins 04 Jun '15

04 Jun '15

Magnus Manske wrote:> I can offer you ~10K Grade I listed buildings and their coordinates from> We also have ~23K Grade II* buildings: From https://www.historicengland.org.uk/listing/the-list/data-downloads/ I get: I 9,159II 337,560II* 21,405 but there is little information: The unique ID, grade, date listed, date altered (if any) and a najme that can be "20 AND 20A" with no road.These have Easting/Northing which I have converted to lat/long. I am chasing this up to try and get better names and addresses. Markus Krötzsch wrote:> I am afraid that the data you are looking for may not be complete. I noticed several items that have 'National Trust (with link) in the text but not as an attribute in Wikidata. I suppose there are no simple tools to identify and correct these? I am chasing the National Trust for their data. I'll keep the list posted if I get some :-) Thank you all for your time. Mike

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maintaining the dearly departed
by Gerard Meijssen 04 Jun '15

04 Jun '15

Hoi, I am giving notice that I will no longer maintain the people who are known to have died on Wikidata. There are a few reasons: - I do not have the same amount of time I used to have - My time is better spend on other things. Linking people through associations is more relevant - I am sick and tired of the procrastination on bringing in information from DBpedia I have been indicating the need for importing data from DBpedia for a long time and, there are always reasons why people think it is fine to wait even longer until their pet project is ready. It implies that they assume that everything will remain the same in the mean time. I refuse to accept that attitude and that is why I will stop adding more dates of death as a regular practice. This does not mean that the data is not there, it does not mean that Wikidata cannot have it. It means that we import from sources that are known to be as trustworthy as Wikipedia. After all DBpedia data is based on Wikipedia. I will have more fun doing other things. Thanks, GerardM

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English Wikipedia uses Wikidata for person data
by Gerard Meijssen 04 Jun '15

04 Jun '15

Hoi, An argument rages about the significance of the English WIkipedia using Wikidata for person data, things like date of death. DBpedia does a better job than Wikidata does and it does it because they not only use dumps to update their information but they also use information from RSS. Therefore they do a better job than volunteers like myself at Wikidata do. In my blogpost [1] I argue for cooperation. My point is very much that increasingly I find I do no longer have the time to maintain the data for people who died in 2014 or 2015. I have done that the last two years.. I desperately want to do other things with Wikidata, things that are more relevant. PLEASE consider cooperating with the DBpedia people. They are part of our ecosystem, they want to share and they want to make their data available with our license. Thanks, GerardM [1] http://ultimategerardm.blogspot.nl/2015/06/english-wikipedia-and-those-who-…

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Apologies
by Mike Cummins 04 Jun '15

04 Jun '15

I apologise in advance for asking this in what seems a Technical List, but @pigsonthewing tells me I can. I want to extract all National Trust names, co-ordinates and the first part of the description from wiki. Having spent a day working through the API, I still cannot see how to do this aside from scraping. I am sure I am missing something very simple, so if anyone would kindly email me, I would be grateful Mike

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English Wikipedia deprecating Persondata in favor of Wikidata
by Lydia Pintscher 03 Jun '15

03 Jun '15

Hey folks :) We hit another huge milestone \o/ English Wikipedia has decided that they'll remove their persondata in favor of Wikidata. https://en.wikipedia.org/w/index.php?title=Wikipedia:Village_pump_(proposal… Cheers Lydia -- Lydia Pintscher - http://about.me/lydia.pintscher Product Manager for Wikidata Wikimedia Deutschland e.V. Tempelhofer Ufer 23-24 10963 Berlin www.wikimedia.de 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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Wikidata June 2015