[Air-L] Facebook Data Ncapture Query

[Jakob Jünger]

Dear Ben,

if Ncapture uses the API, you find more information in the API reference
of Facebook, see the section about limitations:
https://developers.facebook.com/docs/graph-api/reference/page/feed/

As Justin said, there are no details, but he did a great job in
investigating possible sampling criteria. This issue comes up regularly
in the Facebook User group of Facepager. If you want to learn more about
the API, you can try it out (FD: I'm a developer there).

Best
Jakob

Am 05.04.2020 um 13:01 schrieb Justin Ho:
> Hi Ben,
>
> I actually came across a similar doubt when trying to collect page posts. There was a limitation imposed on Facebook's Graph API back in 2017 and it seems you can only get posts up to a limit of 600 posts per year and there is little documentation on how the returned posts are selected. I am not sure if Ncapture uses Graph API as well, but if it does, it would be subject to the same limitation. I documented what I found about the bias caused by the new limitation here:
> https://journals.sagepub.com/doi/full/10.1177/2053951720905874
>
> I hope this helps.
>
> Best regards,
> Justin
>
> On Sun, 5 Apr 2020 at 11:09, Ben Light <B.Light at salford.ac.uk<mailto:B.Light at salford.ac.uk>> wrote:
> Hi folks,
>
> I’m very sorry if I’ve missed a discussion on this before, I’ve checked the archives of the list and have googled the heck out of this issue but I can’t seem to get an answer (the last time I can see Ncapture mentioned on the list was back in 2018).  I wonder if anyone here can help. I’m hoping someone can, and I am made to look dumb ☺
>
> Acknowledging all things GDPR and the shut out of various tools to access FB data, Ncapture, which works with NVIVO appears to work, to some degree. Obviously with limitations in the kinds of data it collects.  But for my purposes I gives me the basics – particularly the text of posts and the associated comments on public FB pages.
>
> What I cannot work out, or find out, is the limitations of the data collected – e.g. on a particular page which posts are collected, which associated comments – all or a selection?  It appears just looking through the data to be random, especially when I look at repeat searches.  Does anyone have anything they can add to this that might help me?   I’m using Grytics for FB groups – which is accurate, but obviously we are dealing with a different kind of thing.
>
> I’m wondering if, unless you are the owner of a page, you really have no way of collecting FB page data in a way that is helpful?
>
> Cheers in advance for any help people can provide.
>
> Best, Ben.
>
> Professor Ben Light
> Associate Dean: Research and Innovation / Professor of Digital Society
> School of Health and Society / Connected Lives, Diverse Realities Research Group
> University of Salford, Salford / UK / www.benlight.me<http://www.benlight.me>
>
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-- 
Jakob Jünger
University of Greifswald
Institute of Political Science and Communication Studies

Ernst-Lohmeyer-Platz 3
17487 Greifswald
Germany

Room: 3.16 (3. floor)
Email: jakob.juenger at uni-greifswald.de
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