Author | Lightnews

Alexandros Efstratiou

@alextheefstra.bsky.social

240 followers 170 following 7 posts

Postdoc at UW iSchool/Center for an Informed Public, previously Cybersecurity PhD @UCL. Computational social science // polarization and misinformation, online social networks, and meta-science. Opinions my own.

Posts Media Videos Starter Packs

Reposted by Alexandros Efstratiou

Savvas Zannettou @zsavvas90.bsky.social · Dec 9

⏰ Less than a week to apply to our PhD position on AI-driven Cybersecurity & Cybersafety!

Don't miss out—apply now and make the internet safer. 🚀👩‍💻

Job Link 👇

Savvas Zannettou @zsavvas90.bsky.social · Nov 18

🎓 We are looking for a PhD candidate! 🎓

Are you passionate about AI and fascinated by cybersecurity & cybersafety? Ready to explore how AI is reshaping the digital world—while having fun along the way?

Apply here by Dec. 15: careers.tudelft.nl/job/Delft-Ph...

PhD Position: AI-driven Cybersecurity and Cybersafety

careers.tudelft.nl

Alexandros Efstratiou @alextheefstra.bsky.social · Dec 4

Huge news for science communication/metascience research!

Altmetric @altmetric.com · Dec 3

BLUESKY MEGA-THREAD

Altmetric is thrilled and also LITERALLY RELIEVED to officially announce:

We are now tracking research attention as it happens on Bluesky!

We have been picking up posts on the site since late Oct.

Our team is on Bluesky all day answering questions.

Let's get into it!

Blueksy Mentions are now in Altmetric.

It's been 84 years meme

#AcademicSky #HigherEd #MedSky #HMSky #Altmetrics #Medlibs #Metascience

Reposted by Alexandros Efstratiou

Center for an Informed Public @cip.uw.edu · Dec 3

We're currently seeking applications for up to two @cip.uw.edu postdoctoral fellows who will be hired as postdoctoral scholars.

Learn more: www.cip.uw.edu/2024/12/03/c...

CIP seeks applications for up to 2 postdoctoral fellows

The University of Washington Center for an Informed Public (CIP) invites applications for up to two CIP Postdoctoral Fellows who will be hired as Postdoctoral Scholars.

www.cip.uw.edu

1 24 28

Alexandros Efstratiou @alextheefstra.bsky.social · Nov 29

For anyone who is interested but missed this, the recorded talk is now live at www.oii.ox.ac.uk/news-events/.... Please feel free to ping me if you have any thoughts or questions!

Alexandros Efstratiou @alextheefstra.bsky.social · Nov 25

For anyone interested in the full paper, it was published earlier this month at dl.acm.org/doi/abs/10.1... (open-access)

"Here's Your Evidence": False Consensus in Public Twitter Discussions of COVID-19 Science | Proceedings of the ACM on Human-Computer Interaction

The COVID-19 pandemic brought about an extraordinary rate of scientific papers on the topic that were discussed among the general public, although often in biased or misinformed ways. In this paper, w...

dl.acm.org

Alexandros Efstratiou @alextheefstra.bsky.social · Nov 25

This Friday (Nov 29th), I'll be speaking at the Oxford Internet Institute about our latest paper on how COVID-19 science was misrepresented on Twitter, leading to false consensus effects. The event is remote, and you can register at: www.oii.ox.ac.uk/news-events/...

OII | From tribes to tropes: Network polarisation and false consensus around COVID-19 science

In this talk, we cover recent work showing that COVID-19 science was vastly misrepresented on the Twitter platform, owing mostly to a large misinformation cluster that engaged in selective citation of...

www.oii.ox.ac.uk

1 2

Reposted by Alexandros Efstratiou

Martin Saveski @msaveski.bsky.social · Nov 13

[Please reshare]
I’m recruiting PhD students to work with me at UW!

I’m looking for students passionate about developing new *social media algorithms*, both broadly and within the scope of this NSF grant: tinyurl.com/395yfphd

More info: faculty.washington.edu/msaveski/

cc @uwischool.bsky.social

UW campus, Drumheller Fountain and Rainier Vista.

1 19 31

Reposted by Alexandros Efstratiou

Mallory Harris, PhD @malar0ne.bsky.social · Jul 10

In case you missed our panel today on how counter-consensus communities (mis)use science, check out the recording: www.youtube.com/watch?v=fIWz...

Ft. @alextheefstra.bsky.social @beeeeeers.bsky.social and Rod Abhari

SciSky EpiSky MedSky

Misrepresenting Science

Counter-consensus communities will frequently use selective and deceptive citation of the scientific literature as evidence for their views. How can we make ...

www.youtube.com

3 3

Alexandros Efstratiou @alextheefstra.bsky.social · Jan 23

Excited to announce that my paper has just been accepted at The Web Conference (WWW) 2024! I analyze how users willing to engage with opposing views differ in terms of language they use and rewards they receive in their home communities. Preprint coming soon!

Alexandros Efstratiou @alextheefstra.bsky.social · Oct 13

Great, thank you so much!

Reposted by Alexandros Efstratiou

Manoel Horta Ribeiro @manoelhortaribeiro.bsky.social · Oct 13

I’m hitting the job market looking mainly for tenure-track asst. professor positions (2024)!

My core research informs how we should curate content on online platforms — and I’m also interested in how large language models will impact on the Web in the upcoming years.

1 5 9

Alexandros Efstratiou @alextheefstra.bsky.social · Oct 13

Hi Ross! When is the start date for this, and how long will the fellowship be?