Jürgen Pfeffer
@jurgenpfeffer.bsky.social
Prof of Computational Social Science. SOT/TU Munich. Critical Data Studies, AI & Democracy, #CSS @ICWSM
New academic year, new team photo! Hello from the Computational Social Science group @tum.de @hfp.tum.de @School of Social Sciences and Technology.
October 31, 2025 at 4:28 AM
New academic year, new team photo! Hello from the Computational Social Science group @tum.de @hfp.tum.de @School of Social Sciences and Technology.
Welcome to another week of international meeting coordination drama! Europe has concluded "Summer Time", while the US will stay another week in Day Light Saving time.
October 26, 2025 at 7:13 AM
Welcome to another week of international meeting coordination drama! Europe has concluded "Summer Time", while the US will stay another week in Day Light Saving time.
We are happy and proud to present the new Masters program "Data & Society" at Technical University of Munich - Apply now! Create added value for society by applying technical skills with a view to social needs and sustainable processes.
Details: www.gov.sot.tum.de/gov/studies/...
Details: www.gov.sot.tum.de/gov/studies/...
May 18, 2025 at 10:23 AM
We are happy and proud to present the new Masters program "Data & Society" at Technical University of Munich - Apply now! Create added value for society by applying technical skills with a view to social needs and sustainable processes.
Details: www.gov.sot.tum.de/gov/studies/...
Details: www.gov.sot.tum.de/gov/studies/...
And here a photo from the data collection setup. :)
April 21, 2025 at 5:16 PM
And here a photo from the data collection setup. :)
Posts per capita show TikTok bans and very active countries.
April 21, 2025 at 5:09 PM
Posts per capita show TikTok bans and very active countries.
Some results:
- We estimate 117M videos on our collection day
- ~1,500 videos per second, ~86,000 per minute
- Two-peak per hour distribution deviates from Twitter/X
- Almost 20% of videos contain children
- We estimate 117M videos on our collection day
- ~1,500 videos per second, ~86,000 per minute
- Two-peak per hour distribution deviates from Twitter/X
- Almost 20% of videos contain children
April 21, 2025 at 5:09 PM
Some results:
- We estimate 117M videos on our collection day
- ~1,500 videos per second, ~86,000 per minute
- Two-peak per hour distribution deviates from Twitter/X
- Almost 20% of videos contain children
- We estimate 117M videos on our collection day
- ~1,500 videos per second, ~86,000 per minute
- Two-peak per hour distribution deviates from Twitter/X
- Almost 20% of videos contain children
Have you ever asked yourself about the overall extent of TikTok? Here some numbers from "Just Another Hour on TikTok" - Great compliment to @bendavidsteel.bsky.social for this data collection effort!
w/ @miriamschirmer.bsky.social & Derek Ruths
arxiv.org/abs/2504.13279
w/ @miriamschirmer.bsky.social & Derek Ruths
arxiv.org/abs/2504.13279
April 21, 2025 at 5:09 PM
Have you ever asked yourself about the overall extent of TikTok? Here some numbers from "Just Another Hour on TikTok" - Great compliment to @bendavidsteel.bsky.social for this data collection effort!
w/ @miriamschirmer.bsky.social & Derek Ruths
arxiv.org/abs/2504.13279
w/ @miriamschirmer.bsky.social & Derek Ruths
arxiv.org/abs/2504.13279
If you know what this is… well, then you are old. ;)
April 18, 2025 at 5:39 PM
If you know what this is… well, then you are old. ;)
Ein Hoch dem orf.at Mut mit dem Konjunktiv II auch an grammatikalische Orte zu gehen, die die meisten Menschen meiden würden.
PS: Dennoch würde ich gerne auch mal eine "tadad" lesen. :) @juortner.bsky.social
PS: Dennoch würde ich gerne auch mal eine "tadad" lesen. :) @juortner.bsky.social
April 3, 2025 at 8:51 AM
Ein Hoch dem orf.at Mut mit dem Konjunktiv II auch an grammatikalische Orte zu gehen, die die meisten Menschen meiden würden.
PS: Dennoch würde ich gerne auch mal eine "tadad" lesen. :) @juortner.bsky.social
PS: Dennoch würde ich gerne auch mal eine "tadad" lesen. :) @juortner.bsky.social
Congratulations to Raji for his next Social Networks paper! :)
A typology of group lifecycle stages with a methodology for their identification.
www.sciencedirect.com/science/arti...
A typology of group lifecycle stages with a methodology for their identification.
www.sciencedirect.com/science/arti...
March 23, 2025 at 12:49 PM
Congratulations to Raji for his next Social Networks paper! :)
A typology of group lifecycle stages with a methodology for their identification.
www.sciencedirect.com/science/arti...
A typology of group lifecycle stages with a methodology for their identification.
www.sciencedirect.com/science/arti...
Zum Thema LLM-Bias versuch ich gerade ein paar historische Themen mit ChatGPT zu besprechen. #digitalhistory @fwenninger.bsky.social @mirjamzadoff.bsky.social
March 20, 2025 at 12:31 PM
Zum Thema LLM-Bias versuch ich gerade ein paar historische Themen mit ChatGPT zu besprechen. #digitalhistory @fwenninger.bsky.social @mirjamzadoff.bsky.social
Puha, was die Post wohl mit den anderen Paketen macht? ;)
@juortner.bsky.social
@juortner.bsky.social
February 23, 2025 at 8:05 PM
Puha, was die Post wohl mit den anderen Paketen macht? ;)
@juortner.bsky.social
@juortner.bsky.social
That’s interesting: a random hater can push his message on X to ~30k views and has a little commercial (Werbung) Label. I‘m wondering who pays for these campaigns…
February 16, 2025 at 7:47 AM
That’s interesting: a random hater can push his message on X to ~30k views and has a little commercial (Werbung) Label. I‘m wondering who pays for these campaigns…
This is the playbook. Find single cases of possible errors or fraud in the system as argument for destroying the entire system. Automation will then be used to take away people‘s rights. Read about it in „Automating Inequality“ by Virginia Eubanks.
February 13, 2025 at 8:03 PM
This is the playbook. Find single cases of possible errors or fraud in the system as argument for destroying the entire system. Automation will then be used to take away people‘s rights. Read about it in „Automating Inequality“ by Virginia Eubanks.
I guess using generative AI for education is the future. ;)
February 9, 2025 at 7:17 PM
I guess using generative AI for education is the future. ;)
In case you are not in Norrköping today, the talk will be on Zoom as well: liu-se.zoom.us/j/65535789369 #CSS #AI #Democracy
January 23, 2025 at 1:00 PM
In case you are not in Norrköping today, the talk will be on Zoom as well: liu-se.zoom.us/j/65535789369 #CSS #AI #Democracy
Echt jetzt, Microsoft...?
January 21, 2025 at 4:27 PM
Echt jetzt, Microsoft...?
Proportion of yes/no answers after excluding answers that were refused by the system because of likely content restrictions. The solid lines refer to the Trolley Problem (pull the lever), and the dashed lines refer to the Footbridge Dilemma (push the person off the bridge):
January 19, 2025 at 1:02 PM
Proportion of yes/no answers after excluding answers that were refused by the system because of likely content restrictions. The solid lines refer to the Trolley Problem (pull the lever), and the dashed lines refer to the Footbridge Dilemma (push the person off the bridge):
For those of you interested in algorithmic manipulation, this is the Twitter notification today for me (and I assume for many German accounts).
No, I am not following this or similar persons.
No, I am not following this or similar persons.
January 14, 2025 at 1:26 PM
For those of you interested in algorithmic manipulation, this is the Twitter notification today for me (and I assume for many German accounts).
No, I am not following this or similar persons.
No, I am not following this or similar persons.
Und hier zum Public Release (nicht EU) von OpenAI's SORA unser Kommentar vom Mai 2024 aus dem Tagesspiegel Background:
background.tagesspiegel.de/digitalisier...
background.tagesspiegel.de/digitalisier...
December 9, 2024 at 9:45 PM
Und hier zum Public Release (nicht EU) von OpenAI's SORA unser Kommentar vom Mai 2024 aus dem Tagesspiegel Background:
background.tagesspiegel.de/digitalisier...
background.tagesspiegel.de/digitalisier...
Congrats to @norakirkizh.bsky.social for successfully defending her Ph.D. "Computational Methods to Study Political Discontent" and adding herself to our Scientific Genealogical Tree! Grandfather^8 #Gauss would be proud! Thanks to @yannistheocharis.bsky.social for being on the committee.
November 27, 2024 at 8:26 PM
Congrats to @norakirkizh.bsky.social for successfully defending her Ph.D. "Computational Methods to Study Political Discontent" and adding herself to our Scientific Genealogical Tree! Grandfather^8 #Gauss would be proud! Thanks to @yannistheocharis.bsky.social for being on the committee.
This ChatGPT answer could be really helpful for me sometimes in real-word conversations with humans.
November 23, 2024 at 10:13 AM
This ChatGPT answer could be really helpful for me sometimes in real-word conversations with humans.
Wer sich fragt, ob geschlechtsneutrale Sprache in ChatGPT relevant ist. Hier je 10 x Antworten von ChatGPT 4o auf Fragen, wer das Buch "Alles und nichts sagen: Vom Zustand der Debatte in der Digitalmoderne" (Kiepenheuer & Witsch Verlag) geschrieben hat... PS: Die richtige Antwort ist "Eva Menasse".
November 10, 2024 at 8:40 AM
Wer sich fragt, ob geschlechtsneutrale Sprache in ChatGPT relevant ist. Hier je 10 x Antworten von ChatGPT 4o auf Fragen, wer das Buch "Alles und nichts sagen: Vom Zustand der Debatte in der Digitalmoderne" (Kiepenheuer & Witsch Verlag) geschrieben hat... PS: Die richtige Antwort ist "Eva Menasse".
Congratulations to @miriamschirmer.bsky.social for successfully defending her Ph.D. „Natural Language Processing for Violence Studies: Investigating Trauma and Online Aggression“ - thanks to the committee Fred Morstatter and Sarah Diefenbach.
October 23, 2024 at 5:39 PM
Congratulations to @miriamschirmer.bsky.social for successfully defending her Ph.D. „Natural Language Processing for Violence Studies: Investigating Trauma and Online Aggression“ - thanks to the committee Fred Morstatter and Sarah Diefenbach.
