Just to add a little further complexity.
Lots of articles and deleted articles are about people. Names are often not
unique, and just because one person with a particular name has had an
article on them deleted it does not mean that there won't be a notable
person of the same name.
For example I was once asked to restore a particular deleted article so
that someone could look at the deleted version before creating an article
on a professor who they assured me was very notable and they had plenty of
sources for. I had a look at the deleted article, and told them I doubted
there was anything there worth restoring, and to go ahead with the article
on the professor. I also added that I didn't know if the deleted article
was about the same person or a different person of the same name, but if
they found that their professor had been a pro skateboarder in his teens, I
suggested they give that its own section, and not make that his main claim
to notability or have it dominate the lede. In another instance I resolved
an edit war over whether an article should be about either of two people
of the same name by deleting the article, restoring all the versions that
were about person A and moving them to a new clearer name, then restoring
the other revisions and moving them to a page with a name that made it
clear they were about person B, then I turned the original
battleground article into a disambiguation page that listed both people.
That would be a rare situation compared to redirects, but I hope it gives
you an idea of the complexity of Wikipedia article names over time.
When there are multiple topics with the same name the default should be
that the primary one gets the name with the secondary topics getting longer
names and a mention in a disambiguation page. There are people who get very
concerned as to which if any article should be primary, and while sometimes
that is as obvious as Dallas, Scotland v Dallas, Texas, other times that
can be contentious and even be changed over time. I can remember heated
arguments about Perth Scotland v Perth Australia and I dread to think how
the Mercury, Atlas and Apollo decisions were made.
TLDR Names of articles don't just go through a process of deletion
WSC
On Fri, 5 Nov 2021 at 18:30, Adam Wight <adam.wight(a)wikimedia.de> wrote:
Going back to your original question,
which articles are no longer on Wikipedia
This is easy enough to query in bulk:
https://en.wikipedia.org/w/api.php?action=query&prop=revisions&rvpr…
<https://en.wikipedia.org/w/api.php?action=query&prop=revisions&rvprop=ids&titles=Zayn%20Malik%7CNonexistentPage%7CDraft:Kajl%C3%A2ngvoj>
The first page exists, but the other two never existed and were deleted,
respectively. Both missing articles have a "missing" key in the response
data, which you can rely on for determining if the articles exist.
It sounds like this is what you needed, and maybe the inconsistencies were
due to non-Latin character encoding issues? Let me know if I
misunderstood, and you also need to know whether the page used to exist but
was deleted.
Regards,
Adam W.
On Fri, Nov 5, 2021 at 7:12 PM D Z <doriszhou1224(a)gmail.com> wrote:
I am still unclear on how to know definitely for
sure that an article was
deleted. It seems like the only way is to tell through the comments. For
example, this call:
https://en.wikipedia.org/w/api.php?action=query&list=logevents&leac…
shows the comment "[[Wikipedia:Articles for
deletion/Louis Tomlinson]]"
which I have noticed to exist for other articles that were successfully
deleted, but the article "Zayn Malik" exists. The most recent event has
the comment
"[[WP:CSD#G6|G6]]: Deleted to make way for move" which would imply the
other deletions weren't successful but the article still exists.
Thanks,
Doris
On Thu, Nov 4, 2021 at 3:20 AM Adam Wight <adam.wight(a)wikimedia.de>
wrote:
On 11/4/21 8:09 AM, D Z wrote:
> Hi Adam,
> Thanks for your reply. The qitem api returns missing for this article
but
https://www.wikidata.org/w/api.php?action=wbgetentities&format=json&…
> The Wikipedia page link
> <https://es.wikipedia.org/wiki/Playas_de_L%27Atalaya_y_Focar%C3%B3n>
is
> > here.
> It seems that the issue is the apostrophe after "L", in the
wikidata
> query it is "´" and the wikipedia link above uses "'".
Maybe something
> in your query script is normalizing the fancy apostrophe to a simple
> one? I would check for proper UTF-8 handling.
> > Would you know if there is a way to input article revision ID or
pageid
> > instead of source title for the
logevents API? The strings seem to be
> > problematic at times.
> This was prescient :-). But I don't see any record of the article
being
deleted,
so perhaps the API is correct in this case?
https://pt.wikipedia.org/wiki/Special:Log?type=&user=&page=Rodrigo+…
<https://pt.wikipedia.org/wiki/Special:Log?type=&user=&page=Rodrigo+Flores+%C3%81lvarez&wpdate=&tagfilter=>
<
https://pt.wikipedia.org/wiki/Special:Log?type=&user=&page=Rodrigo+…
>
<
https://pt.wikipedia.org/wiki/Special:Log?type=&user=&page=Rodrigo+…
Unfortunately, the API help page doesn't mention filtering the log by
page ID. One approach you might consider is to download the entire log
history, then process it locally to filter by page ID.
Help page:
https://www.mediawiki.org/w/api.php?action=help&modules=query%2Blogeven…
Regards,
Adam W.
[[mw:User:Adamw]
For example, the article 'Rodrigo Flores
Álvarez' of
'pt' Wikipedia gives me trouble (I got this article from the
cxtranslation
> list). This page seems to be missing
> <https://pt.wikipedia.org/wiki/Rodrigo_Flores_%C3%81lvarez> and
perhaps
I
am not using the logevents API correctly, but it
returns empty.
{'batchcomplete': '', 'query': {'logevents': []}}
------------------------------
endpoint = str('pt') + '.wikipedia.org/w/api.php'
query_url = "https://{0}".format(endpoint)
params = {}
params['action'] = 'query'
params['list'] = 'logevents'
params['format'] = 'json'
params['leaction'] = 'delete/delete'
params['letitle'] = 'Rodrigo Flores Álvarez'
json_response = requests.get(url=query_url, params=params).json()
Thanks again and cheers,
Doris Zhou
On Wed, Oct 27, 2021 at 9:51 AM Adam Wight <adam.wight(a)wikimedia.de>
wrote:
> The "logevents" API should return the same data as Special:Log. For
> example,
>
>
>
https://en.wikipedia.org/w/api.php?action=query&list=logevents&leti…
>>
>> This can be filtered further to just delete events, and so on.
>>
>> But if you only want to know whether an article exists or not,
"missing"
>> should be accurate. Can you share some
example URLs for which the
page
> >> exists, but the API returns "missing"?
> >>
> >> Kind regards,
> >> Adam W.
> >>
> >> On 10/27/21 3:40 AM, D Z wrote:
> >>> Hello All,
> >>>
> >>> I am doing research investigating the role of machine translation
in
>>> Wikipedia articles. I am having trouble with how to know if an
article
>> has
>>> been deleted from Wikipedia. Specifically, I am getting a list of
>> articles
>>> from the cxtranslation list and I would like to know which articles
are
>> no
>>> longer on Wikipedia. I see that there is the deletion log form
>>> <https://en.wikipedia.org/wiki/Special:Log/delete> but is there an
API
>> or
>>> some way to access something like this form so I could check if a
mass
>>> amount of articles have been
deleted?
>>>
>>> I have used the Media Wiki API <https://en.wikipedia.org/w/api.php
to
> >> get
> >>> articles and the API returns missing for some articles, but this
does
> not
> >>> seem to be fully accurate for determining if an article has been
> deleted
> >>> because the API has returned 'missing' for articles that do
exist.
> >>>
> >>> To summarize, my main question is: given an article language
edition
> and
> >>> article title, or an article pageid, is there an API to check if
the
> >>> article has been deleted?
> >>>
> >>> Any help would be greatly appreciated!
> >>>
> >>> Thanks,
> >>>
> >>> Doris Zhou
> >>> _______________________________________________
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