Jürgen Pfeffer 💎 @jurgenpfeffer.bsky.social
@JurgenPfeffer
Followers
3,684
Following
494
Media
513
Statuses
2,520
Prof of Computational Social Science. SOT/ @TU_Muenchen @HfPMuenchen . Adjunct Prof @CarnegieMellon . Social Network Analysis, Critical Data Studies, #CSS @ICWSM
Munich, Germany
Joined February 2014
Don't wanna be here?
Send us removal request.
Explore trending content on Musk Viewer
#TolakPolitikDinasti
• 2588423 Tweets
FB JOIN OPENING BTV HOUSE
• 744569 Tweets
BATALKAN BUKAN TUNDA
• 565123 Tweets
Polisi
• 505877 Tweets
Mulyono
• 319697 Tweets
#NHK_MUSICEXPO
• 306542 Tweets
FOTFOT NEW SINGLE
• 286645 Tweets
RIIZE
• 166983 Tweets
Gus Walz
• 141270 Tweets
WayV
• 141093 Tweets
BOTO PARA SA SB19
• 99605 Tweets
Kompas
• 88433 Tweets
#GOATなINZM
• 60949 Tweets
チャイルドシート
• 43796 Tweets
Barron
• 38362 Tweets
Phantom
• 35135 Tweets
Pretender
• 21144 Tweets
ちいかわ寿司
• 19588 Tweets
Siren
• 15848 Tweets
ラストマイル
• 14336 Tweets
チッケム
• 11039 Tweets
ウォンビン
• 10212 Tweets
ボムギュ
• 10181 Tweets
Publication alert for
#Twitter
researchers! The
#AcademicAPI
can deliver complete (or at least close to complete) sets of historic Tweets! Data endpoint V2 has higher coverage than endpoint V1.1. [1/5]
w/
@angelina_vmo
@luca
@oStritze
@dgarcia_eu
8
97
463
Ich habe alle fast 40.000 Tweets zu
#IchbinHanna
gesammelt. Wenn jemand damit Auswertungen machen mag, schickt mir ein Email.
10
96
434
+++ Job Alert +++ Please forward to potential candidates: I am hiring in Computational Social Science! Open for Ph.D. Students or Post-Docs (TV-L 13 100%). Start: March 1, 2022, for 3 years. Some teaching. 90% Research.
#CSS
2
175
249
Have you ever asked yourself: How many active accounts are on Twitter? How many might be bots? What are the global/local topics? Languages? Here are some answers! A complete 24 hours of Twitter data!
#CSS
#Twitter
@TwitterDev
3
84
237
Guten Morgen
@DB_Bahn
aus dem RE 72 in Bayern. Mir ist schon klar, dass es manchmal Problem gibt, aber wenn dann der Zug in eine komplett falsche Richtung abbiegt, wäre es nett, den 200 Mitreisenden kurz eine Durchsage zu schenken, ob wir umgeleitet oder entführt werden.
2
1
180
Unless your Tweet goes viral, your fame peak will be 72 seconds after you tweet.
#TwitterAnalytics
#InformationHalfLife
PS: Avg. of 20k Tweets, detail will follow.
4
30
143
The TUM
@TU_Muenchen
has an opening for 10 (!) faculty positions at the intersection of Social Sciences and Technology! Please RT and help to spread the word.
1
110
139
Spread the words!
@icwsm
2019 will take place in Munich in June 2019.
@TU_Muenchen
@HfPMuenchen
#CSS
#ICWSM
2
108
140
Citation update alert: Our paper about the Twitter Academic API has been accepted at ICWSM 2023.
7
13
124
CfP: Special Issue on “Critical Data and Algorithm Studies”.
Deadlines: March 26, 2019, abstract; September 16, 2019, manuscript.
#CSS
#criticaldatastudies
#criticalalgorithmstudies
@FrontiersIn
#openaccess
More information:
2
36
104
Accepted
@icwsm
!
Re-hydrating Tweets is deprecated -> collaborate with us on raw data!
w/
@feedkoko
@onurvarol
@janalasser
@_kenny_joseph
@Diyi_Yang
@avalanchesiqi
@fredmorstatter
@Dede198904
@DanielMRomero
@dgarcia_eu
@c_schwemmer
@JahnaO
@CorBrantner
0
20
96
New article
@epj_ds
+++ It is easy to tamper with Twitter’s 1% & 10% Sample API +++ Volume of any topic can be manipulated easily +++ Groups of users already over-represented in Sample API.
#CSS
#twitter
#socialmedia
with
@katja_mat
@fredmorstatter
1
45
89
It is official! Our (with
@4digitaldignity
@jisteinert
) project against online misogyny is funded!!! I am incredibly happy and proud!
#restartsocialmedia
Thanks
@BIDT_Muenchen
for substantially supporting this important endeavor!
3
8
78
Proceedings of the Fourteenth International AAAI Conference on Web and Social Media
@icwsm
2020 online. One thousand pages of high-end web and social media research! :)
0
33
74
Häufigste Profil-Wörter der 10.993 Accounts, welche zu
#IchbinHanna
getwittert haben: 1. PhD, 2. she/her...
@AmreiBahr
@DrKEichhorn
@DegnerAnja
@martin_hebart
@pia_lamberty
@jenniferhenkeHB
@SebastianKubon
@jsuedekum
@sahiralsaid
@Fischblog
@t_winnerling
@Kinofrau1
...
3
18
68
Dear virtual
#Sunbelt2020
and
#icwsm
2020 participants. Dear people who could not afford to participate in these or other online conferences. I think it is important to be transparent at this point about the actual costs of
#online
conferences. 1/6
4
13
68
Damn, we had a good hiring season! Welcome
@janadiesner
@floegli
Doris Holzberger
@SabinaLeonelli
@bergpirat1
Jörg Niewöhner, Boris Paal
@SciOrestis
@anne_rademacher
at the School of Social Sciences and Technology
@TU_Muenchen
🎉🍾
2
4
68
In a new experimental social media study, we show that little to no reaction (likes) leads to negative emotions, stress, and low levels of self-esteem.
PS: We created a Facebook clone that can be used for experiments.
@angelina_vmo
#offlineSpillover
0
16
68
You are a
#CSS
researcher at risk (e.g. threat of arrest/violence)? Send me an email. Let's try to get you & your family to Germany!
PS: I have been successfully hosting a researcher at risk for 2 years - he'll now move on to a regular job in Germany! :)
0
31
67
And here is our new team photo: Computational Social Science at the School of Social Sciences and Technology
@TU_Muenchen
@HfPMuenchen
@angelina_vmo
@MiriamSchirmer
@munichrocker
@WienkeStrathern
@LauraMahrenbach
@rajighawi
0
1
65
Twitter changed 1% Sample data! 1st info: Dramatically less meta-data (NO sender info, just id). Sampling now w/ 1ms window (old: 10ms). Not good for Science!
#CSS
#Twitter
Thanks:
@fredmorstatter
@mehrnoom
Background: Our 2018 paper on Twitter sampling:
7
34
63
Paper alert! We study violent speech in Incel posts and show how GPT can be used for annotating data in complex and time-consuming labeling tasks.
w/
@DanielMatter96
@MiriamSchirmer
@grinbergnir
0
14
63
Happy to announce
@icwsm
2019 Keynote Speakers
@TU_Muenchen
June 11-14.
#CSS
Lada Adamic
@ladamic
Deen Freelon
@dfreelon
Kristina Lerman
@KristinaLerman
Markus Strohmaier
@mstrohm
2
14
62
With the help of students from
@HfPMuenchen
@TU_Muenchen
we have transcribed 600 pages of 234 Holocaust survivors talking about their time in the concentration camps of
#Kaufering
#DigitalHumanities
1
17
60
In the latest version of the paper, you can find the details about how the data was collected! Help to spread the information and let's make the last days of Twitter's APIs worthwhile! :o)
#AcademicAPI
0
26
58
Wow!
@fredmorstatter
, I guess we had a good idea. :)
PS: It is worth noting that this paper was rejected from two CS conferences before being accepted
@icwsm
2
3
56
Proud and humbled to present a very special event. Elly Gotz, a survivor of the Ghetto
#Kaunas
and the Concentration Camp
#Kaufering
is visiting from Canada and will present on his Experience in the Holocaust.
@TU_Muenchen
#Zeitzeugen
Event registration:
0
15
50
The
@icwsm
Conference 2023 will be in Cyprus! General Chair: Jahna Otterbacher -
@JahnaO
. PC Chairs: Miriam Redi
@mad_astronaut
& Kiran Garimella
@gvrkiran
& Bob West
@cervisiarius
.
0
4
47
Congratulations to Dr. Angelina
@angelina_vmo
for finishing and successfully defending your Ph.D.!
Thanks to the rest of the committee
@_kenny_joseph
@GeorgGroh
🎉🥳🍾
2
2
44
#Sunbelt2015
poster "History of Network Visualization" for download:
http://t.co/e471rn3ovJ
#SNA
@SocNetAnalysts
http://t.co/hQB8Z8yD8D
0
34
42
If you don‘t know what to read next or need a gift,
@sgonzalezbailon
and
@msalganik
can help! :)
1
7
42
Starting today
@TU_Muenchen
@HfPMuenchen
: Programming for Social Scientists; 40 students enrolled, ~50% women.
#CSS
1
10
40
#JobAlert
:
@gesis_org
is currently hiring a lot of graduate students and post-graduates in the area of computational social science
#css
0
28
39
This seems big! "Scraping publicly accessible data is legal, according to a U.S. appeals court ruling."
#CSS
#webscraping
1
12
40
Collecting data. :) what? You‘ll see soon. :)
4
2
40
@seanjtaylor
Haskell. Never again has it felt so satisfying to finish 5 lines of code programs after 10 hours that are completely useless for anything else than calculating Fibonacci numbers.
1
2
39
We are very happy to announce that Meeyoung Cha will be joining
@cerenbudak
and
@danielequercia
as Editor in Chief
@icwsm
A big thanks to
@lexing
for serving for three years in this role.
1
3
39
Congratulations
@norakirkizh
for publishing your last Ph.D. thesis paper! Good luck and lots of energy for the last couple of weeks of your (part time) graduate student life!
w/ Roberto Ulloa and
@SebStier
2
8
39
The
#ICWSM2019
Proceedings papers are available. Get the open access papers from the AAAI Digital Library at
@icwsm
See you in Munich!
1
26
33
NOT SO BAD AFTER ALL! :o)
We figured out how to do the extended call to get about the same data as with the old API. Phew, real-time science is nerve-racking.
Again, thanks to
@fredmorstatter
@mehrnoom
More info:
Twitter changed 1% Sample data! 1st info: Dramatically less meta-data (NO sender info, just id). Sampling now w/ 1ms window (old: 10ms). Not good for Science!
#CSS
#Twitter
Thanks:
@fredmorstatter
@mehrnoom
Background: Our 2018 paper on Twitter sampling:
7
34
63
2
8
33
Based on 10+ years of collaboration with Betina Hollstein, new article in the journal "Network Science": Collecting egocentric network data with visual tools: A comparative study.
@SocNetAnalysts
#SNA
1
8
34
New pre-print! We show evidence that online misogyny can have a deterrence effect on female political candidate. w/
@_LuiseKoch
@rajighawi
@jisteinert
Thanks to
@BIDT_Muenchen
for funding this project.
2
9
33
.
@LauraMahrenbach
got handed over her official habilitation certificate by
@ugasser
@TU_Muenchen
2
2
33
INSNA
@SocNetAnalysts
Virtual Sunbelt Conference test run is running very well! :) See you on Monday!
1
1
33
Live from the European Parliament: „Tackling Online Misogyny Against Political Active Women“ with
@SawsanChebli
@jisteinert
@helenadalli
@brodnig
@Evelyn_Regner
@delarabur
@MuiggTheresa
@EvinIncir
@MEP_PHF
3
6
29
The
@icwsm
2019 program is online:
Thanks to
@cerenbudak
@rhodiuslin
@fredmorstatter
for their great work! See you in Munich!
#icwsm2019
#CSS
1
12
32
Just watching Jimmy
#Kimmel
Live on
@YouTube
and see
@MiaMBloom
- wow! :) Congrats! Yes, being on
@CNN
has gotten normal for you... but late night! :)
#starstruck
0
6
29
Happy to announce that
@cerenbudak
is the new Chair of the
@icwsm
Steering Committee! 🎉🥳
Looking forward to further developing our community!
0
3
32
A well connected network: Author x Panel network of the German Political Science Association
@dvpw
/ IR scholar meeting 2020: 140 of 468 authors appear on more than one panel and connect 92 of 94 panels.
@ib_nachwuchs
3
11
31
German academic word of the day: "Zuwendungsbescheid" -The subject line word in the acceptance letter of a funded project! :o)
PS: The project: "Online Firestorms and Resentment Propagation on Social Media: Dynamics, Predictability, and Mitigation"
#CSS
#hatespeech
#firestorms
0
0
31
Paper Alert! How is climate change visually communicated? A study based on 2+ million images appearing alongside Tweets containing
#climatechange
w/
@angelina_vmo
@CorBrantner
@rodzam
0
14
31
I was elected 2 Scientific Advisory Board of GESIS, Europe's biggest infrastructure 4
#SocialSciences
. Looking forw. 2 help strengthen
#CSS
2
2
31
Congrats to
@jsradford
and
@_kenny_joseph
for having their article "Theory In, Theory Out: The uses of social theory in machine learning for social science" published at
#frontiers
"Critical Data and Algorithm Studies" special issue!
#CSS
1
14
30
"Girls do Science": 12-14-year-old girls watching Harry Potter and the Goblet of Fire (IV), coding positive and negative relations, and analyzing the network
@TU_Muenchen
@HfPMuenchen
Thanks to
@cprog7
#M
ädchenMachenTechnik
0
10
30
We just submitted a paper 5 weeks before the conference deadline! Weird feeling! ;) Clue: A non-CS person = 1st author.
#css
#interdisciplinary
#deadlinejunkie
1
0
30
Happy & humbled. Our proposal 4 hosting a threatened Syrian researcher for 2 years
@TU_Muenchen
is funded!
#goodnews
0
5
28
We understand, these scientific associations need to cover sunken costs in the short term. However, they need to figure things out quickly or we’ll organize future online conferences without them. And these will be free of charge, and I am happy to help to organize them. 6/6
1
1
28
Ten reasons to move to Germany as a researcher
1
11
27
W E D I D I T ! Y E S , A L L O F I T ! 🎉 🥳 🍾
2
1
28
I just submitted a paper 24+ hours before the deadline - feels weird.
3
0
28
Hypothesis: Faculty who update their websites are on the job market. ;)
1
0
26
I am happy to present the Fan Bot
@GOV_TUM
of our new Department of Governance
@TU_Muenchen
- no fancy methods, just re-tweets of faculty, graduate students, and post-docs!
1
2
26
0
13
27
Best Paper Award @ ASONAM 2020: "Scale-free networks need not be fragile" by Rouzbeh Hasheminezhad,
@mosabou
and Ulrik Brandes. CONGRATULATIONS!
#CSS
#networkscience
1
5
23
First article published in Frontiers Special Issue on Critical Data and Algorithm Studies! "Social Data: Biases, Methodological Pitfalls, and Ethical Boundaries" by
@o_saja
@ChaToX
@fernandodia
@diazf_acm
1
6
26
Dear colleagues, I am happy to store a backup for you! :)
Academic researchers have been set a deadline of the end of the month to delete data they obtained under historic contracts to study Twitter, unless the pay a new $42,000-a-month contract
“The big data equivalent of book burning”, said one academic
🧵
@stokel
reports
6
61
70
0
4
26
Are behavioral patterns observed in Massively Multiplayer Online Games (MMOGs) comparable to those observed in offline work teams? Yes! But it is a little bit more complicated.
0
2
26
Looking forward to an exciting day at the EU Parliament!
0
0
23
The city of
@muenchen
now has an advisory council for digitalization. Thanks to
@schwarzblond
@mentrup
for their leadership in this effort.
2
0
25
Very happy to announce that
@hemanklamba
successfully passed his
#thesis
defense
@isrcmu
@SCSatCMU
! This brilliant young scholar is about to enter the job market! Thanks to the committee
@cerenbudak
@zicokolter
Christos Faloutsos.
#CSS
0
1
24
If you have a list of Tweet IDs and want to collect the Tweets (hydrate), don't worry about rate limits,
#tweepy
can handle this for you.
#twitterdata
#api
0
0
23
0
3
24
All these
#LLMs
take away my culturally formed personality - I just wrote "not bad" in an email (which is very high praise coming from an Austrian) and Grammarly wants me to write "pretty good" instead! ;)
1
0
24
Danke Stadträtin
@barbaralikus_de
für den tollen Vormittag im Münchner Rathaus mit Studierenden der
@HfPMuenchen
@TU_Muenchen
mit
@Zacharias_Isa
#MeisterBalkon
0
2
23
PS: Yes, yes, we all know that nothing can replace an in-person conversation. But the academic elite does not need to be worried - there will be plenty of in-person events in the future. But these events must turn to hybrid models for inclusion and sustainability reasons. 7/6
1
1
23
In case you are around... see you in about 1 hour at University of Trento.
0
2
19
New article w/
@kwelle
@ka_kinder
@fredmorstatter
: How to archive information from Twitter
#reproducibility
#css
0
11
22
Using network analysis to visualize protein dynamics. New article in "Frontiers in Molecular Biosciences".
#sna
#computationalbiology
0
14
21
What a great new group photo! :)
@cprog7
@eff_elena
@TWlyY29
@WienkeStrathern
@norakirkizh
@LauraMahrenbach
@rajighawi
@m_brauweiler
@munichrocker
@HfPMuenchen
@TU_Muenchen
0
6
21
Are we trying to migrate our network to a platform that is a copy of this one? I guess it is time to discuss the regulatory need for separating the network from the platform. I should be the owner of my social network and should be able to migrate it with 1 click.
1
1
21
Yes, this
#Sunbelt2015
poster will be available for download soon! :)
http://t.co/FFIY240gYm
4
10
21
