User talk:Bamyers99

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Welcome to Wikidata, Bamyers99!

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If you have any questions, please ask me on my talk page. If you want to try out editing, you can use the sandbox to try. Once again, welcome, and I hope you quickly feel comfortable here, and become an active editor for Wikidata.

Best regards! Liuxinyu970226 (talk) 02:00, 1 December 2014 (UTC)


Hello, I see that you added some P268 (P268) like here It's nice but there is problem of syntax with this identifier : we have to remove the "cb". The precedent edition gives this instead of . I have done the correction for this one. Best regards. --Shonagon (talk) 22:35, 31 August 2015 (UTC)

Correction done for the others. Regards --Shonagon (talk) 22:47, 31 August 2015 (UTC)
Thanks for the note. It appears that User:KrBot fixes them. I will remove the cb when I add new ones. --Bamyers99 (talk) 22:54, 31 August 2015 (UTC)

Invitation to Wikidata user study[edit]

Dear Bamyers99,
I am a researcher of the Web and Internet Science group of the University of Southampton.
Together with a group of other researchers from the same University, we are currently conducting a research aiming to discover how newcomers become full participants into the Wikidata community. We are interested in understanding how the usage of tools, the relationships with the community, and the knowledge and application of policy norms change from users' first approach to Wikidata to their full integration as fully active participants.
This study will take place as an interview, either by videotelephony, e.g. Skype, phone, or e-mail, according to the preference of the interviewees. The time required to answer all the questions will likely be about an hour. Further information can be found on the Research Project Page Becoming Wikidatians: evolution of participation in a collaborative structured knowledge base.
Any data collected will be treated in the strictest confidentiality, no personal information will be processed for the purpose of the research. The study, which has submission number 20117, has received ethical approval following the University of Southampton guidelines.
We aim at gathering about 20 participants, chosen among experienced Wikidata users who authored a large number of contributions.
Should you be interested in taking part or wish to receive further information, you can contact us by writing to the e-mail address
Thank you very much, your help will be much appreciated!
--Alessandro Piscopo (talk) 09:07, 26 May 2016 (UTC)

Data behind Wikidata Class Browser[edit]

I tried out the Wikidata Class Browser which is interesting especially for the hierarchy of the classes. But I am more interested in the number of direct and indirect instances of the most used classes. Can you share the full list of all 1,3 Mio classes? Then, I could filter myself the most used of them, or maybe aggregate some of these into reasonable groups. --Zuphilip (talk) 15:11, 25 November 2017 (UTC)

@Zuphilip: The raw data is available at wdsubclasstotals.tsv (file size 28 M).
Layout: qid, root (Y/N), direct child count, indirect child count, direct instance count, indirect instance count, is list of count
--Bamyers99 (talk) 18:05, 25 November 2017 (UTC)
Thank you very much! I extracted from these data a list as a wanted: --Zuphilip (talk) 22:26, 25 November 2017 (UTC)

Find A Grave cemetery ID[edit]

Are you adding the missing ones by hand, or using an automated tool? Have you thought about us importing every cemetery from Findagrave that we do not have already? --RAN (talk) 04:43, 12 February 2018 (UTC)

@Richard Arthur Norton (1958- ): I was just working on the Find a Grave memorial ID constraint violations and Find A Grave cemetery ID constraint violations. Although I plan on adding ones with a Find A Grave Cemetery link in enwiki (and other large wikis) that don't have P2025 from this quarry query. --Bamyers99 (talk) 15:04, 12 February 2018 (UTC)
I would love to construct a bot to add in every cemetery not represented in Wikidata, adding them one a time is tedious. How would I go about starting that project, do I suggest it somewhere? 10 years ago Findagrave had a lot of duplicates under various synonyms, now they are all sorted out. --RAN (talk) 15:15, 12 February 2018 (UTC)
@Richard Arthur Norton (1958- ): Here is a good place to start: Wikidata:Data donation. --Bamyers99 (talk) 19:44, 12 February 2018 (UTC)

CWGC data editing[edit]

Hi there. I left a message on your talk page on en-Wikipedia, but realised that here might be a better place to discuss. See here. Carcharoth (talk) 15:11, 5 March 2018 (UTC)

@Carcharoth: I am working from two different lists to add CWGC ids to Wikidata. 1) I downloaded the CWGC website casualty list and matched on name and date of death with Wikidata name and date of death. That task is complete. 2) I am now matching on external links from enwiki to CWGC. I have about a 1000 more links to check. Thanks for fixing to CWGC property mixups. The mixups would have eventually shown up in the CWGC burial ground ID constraint report or the CWGC person ID constraint report. --Bamyers99 (talk) 15:50, 5 March 2018 (UTC)
Thanks for explaining. I will now know to ask around on Wikidata before taking on big mix-n-match tasks that are better done by those with the tools for it. :-) About the CWGC external links, some care is needed as the links will in many cases not match directly with a Wikidata entry. If you have time to look at en:w:User talk:Carcharoth/Pages using CWGC links and think about how to handle the uses where the match is not one-to-one, maybe we could ensure a consistent approach is taken? In many cases the cemeteries are not mentioned in articles on the cemeteries, but instead in articles on the general location. There are also list articles and various other categories of articles. On my attempt at mix-n-match, from the 1626 and 1708 (total: 3334) articles in those lists, there are around 693 that are direct matches, 934 that have a CWGC external link but no Wikidata value (these will mostly be articles on relatives of the casualties), and 1015 Wikidata values that don't have a CWGC link in the corresponding article (or at least no article in en-Wikipedia). This is not exact, as the article titles don't always match the Wikidata page name. One thing to be wary of is that the CWGC sometimes get the death date wrong, so there will be a few (rare) cases where the matches won't be found. Carcharoth (talk) 16:30, 5 March 2018 (UTC)
I am running into limitations with my ability to extract the data. Can you advise on how to get the names of the Wikipedia articles for the Wikidata pages listed here? There are too many cases of disambiguation for me to be able to match easily with the list of Wikipedia articles I have. Carcharoth (talk) 17:50, 5 March 2018 (UTC)
@Carcharoth: Is this query what you are looking for? Just press the blue button with the right facing triangle in it to run the query. --Bamyers99 (talk) 18:17, 5 March 2018 (UTC)
It might be. But the link doesn't work for me. I'll try and recreate the query from scratch. Carcharoth (talk) 18:23, 5 March 2018 (UTC)
# CWGC person ID with enwiki link
SELECT DISTINCT ?s ?sLabel ?article WHERE {
  ?s wdt:P1908 ?cwgcid .
    ?article schema:about ?s .
    ?article schema:inLanguage "en" .
    ?article schema:isPartOf <> .
  SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
 ORDER BY ?sLabel

Try it!

--Bamyers99 (talk) 18:36, 5 March 2018 (UTC)

That works! Many thanks for that. May I ask if: (a) you have finished your latest batch of data addition; and (b) what further plans you have to work with this data? I have some ideas (particularly related to identifying the relatives of the deceased who have articles, and to including gravestone inscriptions and memorials/burial locations where appropriate), but don't want to overlap or duplicate efforts too much. Would one aim be to end up with a list generated from the data at some point? I also have plans to update WP articles which lack a CWGC reference (but you may be able to do that quicker than I can). I do also (based on the UK Parliamentary War Memorials) have a list (in my userspace) of bereaved MPs and bereaved peers from both World Wars that I intend to return to at some point, with notes on which ones are lacking a citation to the relevant CWGC page. Carcharoth (talk) 14:59, 6 March 2018 (UTC)
@Carcharoth: I am done adding CWGC ids to Wikidata. I have no plans to do any more CWGC related tasks. --Bamyers99 (talk) 17:55, 6 March 2018 (UTC)
Understood. Many thanks for the edits, which will be incredibly useful for working out where work is needed. I may come back with more queries (about the queries like the one you set up above), or I may ask at the help area here. Carcharoth (talk) 18:07, 6 March 2018 (UTC)


Hi Bamyers99,

the links towards Gresset's CTHS page doesn't seem to work. What's wrong, according to you?

Regards. Nomen ad hoc (talk) 18:42, 15 June 2018 (UTC).

@Nomen ad hoc: Wrong link, it is JUGLAR Joseph Clément for Clément Juglar (Q921074). --Bamyers99 (talk) 18:49, 15 June 2018 (UTC)
Yep, but curiously, [1] redirects towards Gresset's page... Nomen ad hoc (talk) 18:51, 15 June 2018 (UTC).
@Nomen ad hoc: I am not fluent in French, so I don't what the difference is between the two types of pages. I am just working on constraint violation reports: Wikidata:Database_reports/Constraint_violations/P2383#"Unique value" violations. --Bamyers99 (talk) 19:00, 15 June 2018 (UTC)
Ok, no matter. Good continuation. Nomen ad hoc (talk) 19:02, 15 June 2018 (UTC).

Adding of StadiumDB identifier (P5288) to wikidata-entities for stadiums[edit]

Hello Bamyers. Thanks for adding several values of StadiumDB identifier (P5288). See also World Stadium Database identifier (P5289). Best regards Migrant (talk) 19:26, 5 October 2018 (UTC)