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Posts by Luca Maria Aiello

View over the canal in Nyhavn, Copenhagen

View over the canal in Nyhavn, Copenhagen

Thrilled to announce CS2Nordics: the First Nordic Conference on Computational Social Science. Copenhagen, September 21-22, 2026.

We invite all CSS researchers in the Nordics as well as in the international research community to submit 2-page abstracts by June 19: nosocss.org/conference.h....

4 days ago 51 27 0 0

Thrilled to share that our work has been accepted at @icwsm.bsky.social 2026 🌟

Thanks @cerenbudak.bsky.social and @lajello.bsky.social for the great collaboration!

📖 arxiv.org/abs/2510.01757

1 week ago 12 3 0 0
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Failure of contextual invariance in gender inference with large language models Standard evaluation practices assume that large language model (LLM) outputs are stable under contextually equivalent formulations of a task. Here, we test this assumption in the setting of gender inf...

MASSIVE thank you to the brilliant @ariel-flint.bsky.social @lajello.bsky.social and @baronca.bsky.social for their help on this work!! Check out the preprint if you want to learn more: arxiv.org/abs/2603.23485

#LingSky #ResponsibleAI #AI #NLP #MachineLearning

3 weeks ago 9 3 0 0

Work with @andersgiovanni.com , @elisabassignana.bsky.social , @frapierri.bsky.social , @itu.dk
Preprint: arxiv.org/abs/2603.19843
Blogpost: blog.andersgiovanni.com

3 weeks ago 4 1 0 0
A two barplots side by side.The left plot shows accuracy of information retrieval (y-axis, ranging from 0 to 100%) across three conditions (No AI, AI, and AI providing wrong answers). The right plot shows self-reported confidence in the answer correctness (y-axis, ranging from 0 to 5) across the same three conditions. Across the two plots, each condition contains two bars: one for users who watched the relevant segment of the video containing the answer to a question, and one for users who did NOT watch the segment. The plot conveys the following messages. 1) In the "No AI" condition, people who did not watch the video provide far less accurate responses. 2) In the "AI" condition, accuracy is high regardless of whether people watched the video or not. 3) in the "AI providing wrong answer" condition, accuracy drops to the minimum values for people who did not check the video. 4) Self-reported confidence in the answers is always high across all conditions, with just a tiny difference between the watched vs. non-watched scenarios

A two barplots side by side.The left plot shows accuracy of information retrieval (y-axis, ranging from 0 to 100%) across three conditions (No AI, AI, and AI providing wrong answers). The right plot shows self-reported confidence in the answer correctness (y-axis, ranging from 0 to 5) across the same three conditions. Across the two plots, each condition contains two bars: one for users who watched the relevant segment of the video containing the answer to a question, and one for users who did NOT watch the segment. The plot conveys the following messages. 1) In the "No AI" condition, people who did not watch the video provide far less accurate responses. 2) In the "AI" condition, accuracy is high regardless of whether people watched the video or not. 3) in the "AI providing wrong answer" condition, accuracy drops to the minimum values for people who did not check the video. 4) Self-reported confidence in the answers is always high across all conditions, with just a tiny difference between the watched vs. non-watched scenarios

AI can now answer questions about video content, transforming how people consume information on the Web. An experiment with 900+ participants found that AI improves speed and accuracy of retrieval BUT, users become overreliant on AI answers, accepting wrong answers without any loss of confidence.

3 weeks ago 19 7 1 1

📣 PhD and Postdoc call: Using data science to improve epidemic preparedness
nerds.itu.dk/2026/03/18/p...
with @jonassjuul.bsky.social

1 month ago 7 6 0 0
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We are looking forward to your amazing submissions to the CySoc workshop at ICWSM 2026!

Learn more here: cy-soc.github.io/2026/

Note: the previously circulated submission deadline has been shifted.

1 month ago 5 4 1 1
3-part photograph: Top left: Smiling young female researcher in black, in front of title slide, Right: PhD Committee: 3 middle-aged researchers and one young researcher, Bottom left: Many colleagues celebrating in a pub

3-part photograph: Top left: Smiling young female researcher in black, in front of title slide, Right: PhD Committee: 3 middle-aged researchers and one young researcher, Bottom left: Many colleagues celebrating in a pub

Arianna Pera @ariannapera.bsky.social defends her PhD: The Language of Collective Action in the Social Web
nerds.itu.dk/2026/02/27/a...

1 month ago 37 6 0 0
CS2Italy The Microsoft CMT service was used for managing the peer-reviewing process for this conference. This service was provided for free by Microsoft and they bore all expenses, including costs for Azure cl...

📣 CS2Italy 2026 the Italian Conference on Computational Social Science
⏰ Today is the last day to submit your abstract

📍 Turin, May 19–21

We welcome abstract submissions in:
#ComputerScience #NetSci #ComplexSystems #Sociology #Economics #Politics #CognitiveScience #Psychology

👉 cs2italy.org

2 months ago 6 6 0 0
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We have a new paper in Science today on how malicious AI swarms can threaten democracy.

AI systems can already coordinate autonomously, infiltrate communities, and fabricate social consensus.

www.science.org/doi/10.1126/...

Led by @kunstjonas.bsky.social & @daniel-thilo.bsky.social!

2 months ago 197 121 8 19
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✨ We’re excited to announce the Spring 2026 IAS Seminar Series, featuring a stellar lineup of speakers and thought-provoking talks. Open to all! #AcademicSky

3 months ago 38 26 1 0
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1) Due to popular demand, the abstract deadline has been extended to 👉Jan 30👈 -- plz share!

2) We are delighted to announce our keynote speaker --
Taha Yasseri @tahayasseri.bsky.social
Chair of Technology and Society
@ Trinity College Dublin & Technological University Dublin

▶️ cs2italy.org

3 months ago 17 16 0 2

That's definitely an interesting option, given all the great CSS research going on in the Baltics. We're taking our first baby steps at the moment, but this is surely something that we'll keep in mind as we consolidate the structure, and will bring up with the Society's members.

3 months ago 2 0 1 1

Our recent work (with Veronica Jude, @lajello.bsky.social, and @cerenbudak.bsky.social) on U.S. union Facebook messaging got featured by @poweratwork.bsky.social:
poweratwork.us/the-words-th...

Thanks to Seth Harris and Dane Gambrell for the helpful feedback!

📖 Full paper arxiv.org/abs/2510.01757

3 months ago 9 2 0 0

Computational Social Scientists in the Nordics, unite!
🇩🇰🇫🇮🇳🇴🇸🇪🇮🇸

The brand new Nordic Society for CSS welcomes all researchers and practitioners based in the Nordics. The Society will promote student mobility, events, and education initiatives.

Join for free: nosocss.org/join.html.

3 months ago 87 48 2 0
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Latest out in Plos Comp Bio: "Epydemix: An open-source Python package for epidemic modeling with integrated approximate Bayesian calibration". A new package in Python for epidemic modeling. Paper: journals.plos.org/ploscompbiol.... Website with lots of tutorials: www.epydemix.org

5 months ago 10 5 1 0
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🔈 *Call for Participation* 🔈

Italian Conference on Computational Social Science – CS2Italy
May 19-21, 2026 in Torino, Italy

Premier venue for Computational Social Science in Italy: #sociology #polisci #economics #netsci #complexsystems ++

Submit your abstract by Jan 15: cs2italy.org

plz reshare

5 months ago 29 31 0 1
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TikTok and the likes transformed how we spend time on our phones. But do they increase mobile use, or just reshuffle what we already do?

We find that adopting TikTok increases total mobile usage and shortens breaks from the phone.

Preprint: osf.io/preprints/so...

5 months ago 14 2 1 0
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Latest out: Fairness in infectious disease modeling. Great collaboration with Yuhan Li, @ngozzi.bsky.social @mtizzoni.bsky.social www.medrxiv.org/content/10.1...

5 months ago 18 5 2 0
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New preprint: More is different for AI multi-agent systems - but what does more mean?

arxiv.org/abs/2510.22422

With @ariel-flint.bsky.social, @lajello.bsky.social and Romualdo Pastor-Satorras.

5 months ago 10 3 0 0
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How does online communication adapt to organizational context?

In a new pre-print with @cerenbudak.bsky.social and @lajello.bsky.social, we study US labor unions’ Facebook use of discourse frames around wins and losses in representation elections. 🧵

📖 arxiv.org/abs/2510.01757

6 months ago 12 5 1 1
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Professor portrait: Luca Aiello wants to make the internet a better place On 24 September 2025 at 14:30, Professor Luca Aiello will give his inaugural lecture in Auditorium 0 at the IT University in Copenhagen.

This Wednesday, 24 September 2025 at 14:30, our Professor Luca Aiello @lajello.bsky.social will give his inaugural lecture in Auditorium 0 at the IT University in Copenhagen!

en.itu.dk/About-ITU/Pr...

6 months ago 24 4 0 1
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Podcasts as a Medium for Participation in Collective Action: A Case Study of Black Lives Matter We study how participation in collective action is articulated in podcast discussions, using the Black Lives Matter (BLM) movement as a case study. While research on collective action discourse has pr...

Our new study provides the first large-scale look at how collective action is expressed in spoken digital discourse, using #BlackLivesMatter as a case study.

Many thanks to @ariannapera.bsky.social @dvladek.bsky.social @lajello.bsky.social for the collab

Check it out: arxiv.org/abs/2509.13197

7 months ago 10 4 1 1
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From guerrilla tactics to viral content: on the evolution of environmental activism's communication

No matter if you're going for a Sunday run, cleaning the house or walking the dog.. everything is better while listening to our Podcast on visual climate communication open.spotify.com/show/1ZwGesM... #climate #podcast #polarvis

7 months ago 3 3 0 1
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Jonas Juul receives the H.C. Ørsted Research Talent Award 2025 Assistant Professor at the IT University of Copenhagen, Jonas Juul, has received the H.C. Ørsted Research Talent Awards 2025. Jonas Juul receives the prize for his research on social networks, informa...

Jonas Juul, assistant professor in the NERDS group at @itu.dk receive the Ørsted Research Talent Award 2025!! Go Jonas! 👍💪🏽🧠🏆
#Research #DKresearch
en.itu.dk/About-ITU/Pr...

8 months ago 14 3 0 0

Our team had an amazing week at @ic2s2.bsky.social in Norrköping Sweden and we will post pictures of our posters and talks soon - the big news is that we're so excited to host #IC2S2 in Burlington in 2026! youtu.be/p412S4GnPkc

8 months ago 29 15 0 0
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The Climate TikTok tour stops by Norrköping for @ic2s2.bsky.social 🌱 I presented “Mapping the climate change discussion on TikTok” at the poster session – had fun with my friend and poster buddy @ariannapera.bsky.social next to me. Vote for poster 32 and check out the paper: tinyurl.com/23atjxny

8 months ago 23 4 0 0
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The work “Extracting Participation in Collective Action from Social Media”, in collaboration with @lajello.bsky.social, at @ic2s2.bsky.social today!

Check out the paper ojs.aaai.org/index.php/IC... and models huggingface.co/ariannap22

Feat. poster and research buddy @alessianetwork.bsky.social ♥️

8 months ago 32 4 0 0
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Presented our work, “Cultural and Cognitive Insights from 2.6 Billion Drawings,” at @ic2s2.bsky.social this morning. Big thanks to Mauro Martino, Nima Dehmamy, @douglasguilbeault.bsky.social, @lajello.bsky.social, and @baronca.bsky.social for the collaboration ✨

Stay tuned for more results!

8 months ago 41 7 0 0
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NERDS at #ic2s2 😍

8 months ago 47 7 0 1