Wikidata September 2013

wikidata@lists.wikimedia.org

57 participants
42 discussions

[Wikidata-l] BREAKING CHANGE: Wikidata API changing top upper-case IDs.
by Daniel Kinzler 12 Sep '13

12 Sep '13

Hi all. With today's deployment, the Wikibase API modules used on wikidata.org will change from using lower-case IDs (q12345) to upper-case IDs (Q12345). This is done for consistency with the way IDs are shown in the UI and used in URLs. The API will continue to accept entity IDs in lower-case as well as upper-case. Any bot or other client that has no property or item IDs hardcoded or configured in lower case should be fine. If however your code looks for some specific item or property in the output returned from the API, and it's using a lower-case ID to do so, it may now fail to match the respective ID. There is potential for similar problems with Lua code, depending on how the data structure is processed by Lua. We are working to minimize the impact there. Sorry for the short notice. Please test your code against test.wikidata.org and let us know if you find any issues. Thanks, Daniel PS: issue report on bugzilla: https://bugzilla.wikimedia.org/show_bug.cgi?id=53894

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[Wikidata-l] Wiktionary first phase : interwiki links?
by Darkdadaah 11 Sep '13

11 Sep '13

Hi all, About Wiktionary and Wikidata, Hartz proposed at https://www.wikidata.org/wiki/Wikidata_talk:Wiktionary#First_and_second_pha… to "be pragmatic and just import the interwiki links". I agree. I suggested in the same page that we could have items for Wiktionary where sitelinks would use the label of the item for the sitelink-titles. Is this feasible? I'm not highly knowledgeable about Wikidata, but I suppose this kind of modification shouldn't be too difficult. What do you think? Please come discuss this matter in the link above. Have a good day, Darkdadaah @ fr.wiktionary

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[Wikidata-l] URL datatype is available \o/
by Lydia Pintscher 10 Sep '13

10 Sep '13

Heya folks :) We just deployed new code and I am really happy to tell you that the URL datatype is finally available now. Wohoooo! I heard the first properties with the URL datatype have already been created. Maybe someone can link them here. I hope you will be able to make good use of it. Please let me know of any issues you find. Additionally we had to deploy a breaking change to the API. Most bots and other tools should already be fixed but there might be some left that need a small change. For more details about this please see this email by Daniel: http://lists.wikimedia.org/pipermail/wikidata-tech/2013-September/000296.ht… Cheers Lydia -- Lydia Pintscher - http://about.me/lydia.pintscher Community Communications for Technical Projects Wikimedia Deutschland e.V. Obentrautstr. 72 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-l] Properties in Wikidata for Numbers Datatypes
by Hady elsahar 09 Sep '13

09 Sep '13

Hello All , i'm working on adding some properties mappings between DBpedia and Wikidata properties [1] when i started to add mappings for DBpedia properties whose datatypes are numbers in the xsd format and some other DBpedia properties that their values are in numbers also but their datatypes in are standard units like : - xsd:Integer - xsd:Float - xsd:Boolean - http://dbpedia.org/datatype/kilogram - http://dbpedia.org/datatype/squareMetre - http://dbpedia.org/datatype/metre i noticed that Wikidata doesn't contain equivalent properties for such DBpedia properties. this includes all properties like : Height , area , weight , mass and population number my Question is, are those properties missing just because no one considered adding them or they don't exist intentionally because Wikidata doesn't have Datatypes for numbers yet ? so for example we are going to see claims in the future on this form ? "m":[ "value", 222, "Integer", 165 ], thanks Regards 1- https://github.com/hadyelsahar/extraction-framework/wiki/Mapping-WikData-to… ------------------------------------------------- Hady El-Sahar Research Assistant Center of Informatics Sciences | Nile University<http://nileuniversity.edu.eg/>

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[Wikidata-l] Automatic summaries?
by Magnus Manske 07 Sep '13

07 Sep '13

I am not sure if this has been discussed on-site, if so, apologies. Many items on Wikidata do not have a short description. That's not really an issue if you look at a single item, but for item lists (e.g. search results) or "predictive search" drop-down boxes, descriptions can be quite helpful. I believe that, for items that have basic claims/statements, short descriptions can be generated automatically, for supported languages. If we have "person", "Belgian", "painter", and birth/death year, a sentence like "Belgian painter (1900-2000)" can be constructed. Some awards (Nobel prize, Victoria cross, etc.) could be added. That would require a lot of language-specific hacking (e.g. "Nationality: Belgium" => "Belgian"). So, if this would be a useful feature, should this be done * in PHP, pre-computed on every change to the item * in PHP, on-the-fly * in JavaScript, on-the-fly JavaScript would probably be the most flexible solution, but might be too slow (round-trip for multiple items, property names, etc.). Your thoughts please! Magnus

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[Wikidata-l] weekly summary #74
by Lydia Pintscher 06 Sep '13

06 Sep '13

Heya folks :) Have a look at what happened around Wikidata this week: https://meta.wikimedia.org/wiki/Wikidata/Status_updates/2013_09_06 Cheers Lydia PS: You can help write the next one here: https://www.wikidata.org/wiki/Wikidata:Status_updates/Next -- Lydia Pintscher - http://about.me/lydia.pintscher Community Communications for Technical Projects Wikimedia Deutschland e.V. Obentrautstr. 72 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-l] test.wikidata.org offers URL datatype now
by Denny Vrandečić 06 Sep '13

06 Sep '13

Hello all, in preparation of next week's deployment to Wikidata.org, test.wikidata.orgnow has the new datatype URL deployed. If you have the time, we would appreciate if you tested it and let us know about errors and problems. The URL datatype should be a big step in allowing to introduce better sourcing and reliability of the content of Wikidata. Cheers, Denny -- Project director Wikidata Wikimedia Deutschland e.V. | Obentrautstr. 72 | 10963 Berlin Tel. +49-30-219 158 26-0 | http://wikimedia.de Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e.V. Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg unter der Nummer 23855 B. Als gemeinnützig anerkannt durch das Finanzamt für Körperschaften I Berlin, Steuernummer 27/681/51985.

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[Wikidata-l] 'Person' or 'human', upper ontologies and migrating 4 million claims
by emw 06 Sep '13

06 Sep '13

Hi Wikidatans, The conclusion of the 'Primary sorting property' RFC is that property P107 -- main type (GND) -- will be deleted [1, 2, 3]. The most popular option for replacing P107 is to use properties P31 and P279 ('instance of' and 'subclass of'), which are based on rdf:type and rdfs:subclassOf [4, 5]. Unlike P107, which restricts the world into seven high-level classes, 'instance of' and 'subclass of' give users a flexible way to define an item's type. They also enable hierarchical classification, and are in line with Semantic Web conventions. While general agreement exists on that much, there's active discussion in the new 'Migrating away from GND main type' RFC [6] about precisely how we want to capture P107 information with 'instance of' and 'subclass of'. P107 is Wikidata's most popular property by a significant margin -- it's currently used in 4,237,061 claims -- so it's important that we get this right. Many people on this list are knowledgeable about ontology and classification but not part of the on-wiki commentariat that tends to populate Wikidata RFCs. To those people: please give your input in this migration RFC at https://www.wikidata.org/wiki/Wikidata:Requests_for_comment/Migrating_away_…. It has some really interesting questions, like: A) How should we classify items like 'Ronald Reagan', 'Rabindranath Tagore' and 'Coco Chanel'? That is, how should we classify items that have a GND main type of "person"? A main critique of P107 is that it includes in 'person' things like gods, literary characters, spirits, and individual and collective pseudonyms. It's clear we want greater precision than P107's "person", but it's unclear whether it'd be best to map those claims to instance of 'person', 'human', 'human person', or something else. Discussion on this is in https://www.wikidata.org/wiki/Wikidata:Requests_for_comment/Migrating_away_… . B) How should we classify the GND main types themselves, or the classes they get mapped to? This is essentially a question about upper ontologies [7] for Wikidata. There are widely-used third-party upper ontologies like SUMO, UMBEL and BFO [8, 9, 10]. It's worth discussing which of these -- if any -- is best to adopt for Wikidata's high-level classification. Although it probably warrants a separate RFC, some initial discussion of that is in https://www.wikidata.org/wiki/Wikidata:Requests_for_comment/Migrating_away_… . C) How can we visualize the type hierarchies we're creating with P31 and P279? See https://www.wikidata.org/wiki/Wikidata:Requests_for_comment/Migrating_away_… . The previous 'Primary sorting property' RFC was easier than this new RFC will be -- deciding something is a bad idea is easier than actually replacing it with something better. So, please join the discussion at https://www.wikidata.org/wiki/Wikidata:Requests_for_comment/Migrating_away_… ! Thanks, Eric https://www.wikidata.org/wiki/User:Emw 1) https://www.wikidata.org/wiki/Wikidata:Requests_for_comment/Primary_sorting… 2) http://lists.wikimedia.org/pipermail/wikidata-l/2013-June/002451.html 3) https://www.wikidata.org/wiki/Property:P107 4) http://www.w3.org/TR/rdf-schema/#ch_type 5) http://www.w3.org/TR/rdf-schema/#ch_subclassof 6) https://www.wikidata.org/wiki/Wikidata:Requests_for_comment/Migrating_away_… 7) https://en.wikipedia.org/wiki/Upper_ontology 8) https://en.wikipedia.org/wiki/Suggested_Upper_Merged_Ontology 9) https://en.wikipedia.org/wiki/UMBEL 10) https://en.wikipedia.org/wiki/Basic_Formal_Ontology

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[Wikidata-l] Fwd: [Wikimediauk-l] Wikidata training workshop
by Andrew Gray 04 Sep '13

04 Sep '13

I am sure most of this list does not need it, but if anyone knows someone in the UK who might be interested, there'll be a session in London at the end of the month. Andrew. ---------- Forwarded message ---------- From: Katie Chan <katie.chan(a)wikimedia.org.uk> Date: 3 September 2013 11:18 Subject: [Wikimediauk-l] Wikidata training workshop To: Wikimediauk-l <wikimediauk-l(a)lists.wikimedia.org> Hi all, There will be a Wikidata training workshop on Saturday 28 September at Development House. The event will be led by Addshore, who is part of the Wikidata development team. As a volunteer, he is an administrator on the project. Places are limited, if you would like to attend, please sign up on <https://uk.wikimedia.org/wiki/Wikidata_training>. Katie -- Katie Chan Volunteer Support Organiser Wikimedia UK +44 (0) 20 7065 0990 +44 (0) 7885 980 534 Wikimedia UK is a Charitable Company registered in England and Wales. Registered Company No. 6741827. Registered Charity No.1144513. Registered Office: 4th Floor, Development House, 56-64 Leonard Street, London EC2A 4LT. United Kingdom. Wikimedia UK is the UK chapter of a global Wikimedia movement. The Wikimedia projects are run by the Wikimedia Foundation (who operate Wikipedia, amongst other projects). Wikimedia UK is an independent non-profit charity with no legal control over Wikipedia nor responsibility for its contents. _______________________________________________ Wikimedia UK mailing list wikimediauk-l(a)wikimedia.org http://mail.wikimedia.org/mailman/listinfo/wikimediauk-l WMUK: http://uk.wikimedia.org -- - Andrew Gray andrew.gray(a)dunelm.org.uk

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[Wikidata-l] Coursera course on information and metadata
by Lydia Pintscher 04 Sep '13

04 Sep '13

Heya folks :) Today a course on Coursera started that might be interesting to some of you: https://www.coursera.org/course/metadata Cheers Lydia -- Lydia Pintscher - http://about.me/lydia.pintscher Community Communications for Technical Projects Wikimedia Deutschland e.V. Obentrautstr. 72 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 September 2013