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Complex Human Behaviour Lab

@chub-fbk.bsky.social
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Alessio Pitteri @alessiopitteri.bsky.social · 24/07/2026
Many thanks to my co-authors @andreaguizzo.bsky.social and @lferrarotti.bsky.social and to @ricgallotti.bsky.social and Bruno Lepri for leading the project. Read the preprint: lnkd.in/eWJKugS4
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Reposted by Complex Human Behaviour Lab
Alessio Pitteri @alessiopitteri.bsky.social · 24/07/2026
Excited to share our new preprint (and my first research contribution!) now available on arXiv: “Ant Swarm Functional Control via Stigmergic Reinforcement Learning Agents”
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Complex Human Behaviour Lab @chub-fbk.bsky.social · 09/07/2026
(As tradition demands) Another CHuB day at the lake 🏖☀️ with great company and a well-deserved break at Lago di Caldonazzo
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Complex Human Behaviour Lab @chub-fbk.bsky.social · 20/05/2026
Congratulazioni, Elisa 👏🏼👏🏼 un riconoscimento davvero meritato 🎓
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Reposted by Complex Human Behaviour Lab
𝙲𝚘𝚖𝚙𝚕𝚎𝙽𝚎𝚝 𝟸𝟶𝟸𝟽 @complenet.bsky.social · 07/05/2026
@verorsanigo.bsky.social finishing her talk here as part of the 4th day of the conference!
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𝙲𝚘𝚖𝚙𝚕𝚎𝙽𝚎𝚝 𝟸𝟶𝟸𝟽 @complenet.bsky.social · 06/05/2026
Great talk and subject by @elisamurators.bsky.social here at #CompleNet26
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Vittoria Colizza @vcolizza.bsky.social · 10/03/2026
Two postdoc positions open at SUMOC (Sorbonne Université | INSERM), Paris, within the EPIcx lab. 🦠 Network epidemiology of healthcare-associated infections (ARCANE) 🧠 Coupled behavior–disease modeling (PREVIX) 2-y positions | Start June 2026 #epidemiology #networks #matrices
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Young Researchers of the Complex Systems Society @yrcss.bsky.social · 10/03/2026
✨ Our grants are back! ✨ Young researcher in Complex Systems? Apply for yrCSS grants to support: 💡 conferences / schools / workshops 🤝 research visits & collaborations 🌍 extra support for low-income countries 🗓️ Deadline: 20 March 2026 👉 yrcss.cssociety.org/grants/
yrcss.cssociety.org
Grants
Young Researchers of the Complex Systems Society
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Young Researchers of the Complex Systems Society @yrcss.bsky.social · 10/02/2026
🚨 yrCSS Advisory Board Elections are Open! 🚨 Be part of shaping the future of yrCSS! Access the Ballot platform in your CSS account profile and apply now to become a member 🗳️ Applications accepted until Feb 21th. More info ➡️ yrcss.cssociety.org/elections/
yrcss.cssociety.org
Elections
Young Researchers of the Complex Systems Society
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Complex Human Behaviour Lab @chub-fbk.bsky.social · 22/12/2025
We're thrilled to share that last Friday, Anna Bertani 👩🏻‍🎓 successfully defended her PhD thesis "Quantifying and modeling the risks and dynamics of information disorders in digital ecosystems" with cum laude 👏🏼🎉 Congratulations, Anna!! And best wishes for what's next ✨ @annabertani.bsky.social
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Ulysse Marquis @ulyssemarquis.bsky.social · 11/12/2025
Thrilled to share my latest paper arxiv.org/abs/2512.046..., accepted at PRE! It challenges a critical assumption from network science : that networks are built bottom-up from nodes. In many spatially embedded networks, this is simply not true : networks are built upon lines and nodes only happen...
arxiv.org
Diffusive geodesics wandering in networks of rigid chains
We introduce an ensemble of spatial networks built from the junctions of hindered-rotation chains, incorporating directional correlations between bonds, an aspect ignored in the standard network model...
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janoskertesz.bsky.social @janoskertesz.bsky.social · 05/12/2025
We are hiring! The Department of Network and Data Science of Central European University (Vienna) has an open position for an Assistant Professor in network science and computational social science.
careers.ceu.edu
Assistant Professor (f/m/d)
Assistant Professor (f/m/d)
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CS2Italy @cs2italy.bsky.social · 28/11/2025
Submission link for the Italian Conference on Computational Social Science is LIVE! We welcome abstract submissions on #computerscience #netsci #complexsystems #sociology #economics #politics #cognitivesci #psychology and more Deadline: Jan 15 cs2italy.org
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Lucila Alvarez Zuzek @luzuzek.bsky.social · 05/11/2025
Our study of 400 million tweets shows that the “war on science” is far more complex than a simple clash between truth and falsehood. 🔍 read more in our latest article magazine.fbk.eu/en/news/what... @ricgallotti.bsky.social @chub-fbk.bsky.social @vtraag.bsky.social
magazine.fbk.eu
What a 400-Million-Tweet study revealed about the “War on Science”
The European project “Understanding Misinformation and Science in Societal Debates” (UnMiSSeD) aims at understanding the overlap between science and misinformation with a particular focus on the COVID...
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Ulysse Marquis @ulyssemarquis.bsky.social · 31/10/2025
Our work on the dynamics of urban expansion just got published in the Physical Review Letters ! journals.aps.org/prl/abstract...
journals.aps.org
Universal Roughness and the Dynamics of Urban Expansion
Urban sprawl reshapes cities, yet its quantitative laws remain elusive. Analyzing built-up expansion in 19 cities (1985--2015) with tools from surface growth physics in radial geometry, we reveal anis...
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Artime @oriartime.bsky.social · 03/11/2025
📣 New paper out 📣 Interested in the growth of cities? We use tools from statistical physics and surface growth theories to characterize urban sprawl from satellite data. Check out all the details: journals.aps.org/prl/abstract...
journals.aps.org
Universal Roughness and the Dynamics of Urban Expansion
Urban sprawl reshapes cities, yet its quantitative laws remain elusive. Analyzing built-up expansion in 19 cities (1985--2015) with tools from surface growth physics in radial geometry, we reveal anis...
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Young Researchers of the Complex Systems Society @yrcss.bsky.social · 27/10/2025
💡 SECS Grant: Support for conferences, schools, or workshops 🤝 BRIDGE Grant: Support for short research visits and collaborations. 🌍 Special funding for researchers from low-income countries. 🗓️ Deadline: 15 November 2025 👉 Learn more and apply here: yrcss.cssociety.org/grants/
yrcss.cssociety.org
Grants
Young Researchers of the Complex Systems Society
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Reposted by Complex Human Behaviour Lab
Lucila Alvarez Zuzek @luzuzek.bsky.social · 09/10/2025
🚨 Finally our paper "Predicting human cooperation: sensitizing drift-diffusion model to interaction and external stimuli" is out 🤩 doi.org/10.1098/rsif... Laura Ferrarotti, Bruno Lepri and @ricgallotti.bsky.social @mobs-fbk.bsky.social @chub-fbk.bsky.social
doi.org
Predicting human cooperation: sensitizing drift-diffusion model to interaction and external stimuli | Journal of The Royal Society Interface
Human cooperation arises naturally and is essential for the development of successful societies. This study aims to identify which aspects of the interaction influence societal cooperation and defection. Specifically, we investigate human cooperation ...
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𝙲𝚘𝚖𝚙𝚕𝚎𝙽𝚎𝚝 𝟸𝟶𝟸𝟽 @complenet.bsky.social · 15/09/2025
📢 Excited to announce CompleNet 2026! Join us to share your network science research in a highly interdisciplinary conference! 🗓️ 4–8 May 2026 | 📍 Zaragoza, Spain 🇪🇸 🚨 Call for contributions open – submit by Nov 15, 2025! 🌐 Info & registration: complenet.weeblysite.com
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Complex Human Behaviour Lab @chub-fbk.bsky.social · 15/09/2025
(Last week highlights) Huge congrats to our @elisamurators.bsky.social for winning the best poster award at @css-conference.bsky.social ☄️🎉 Bravissima, Elisa 👏👏
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Thomas Louf @tlouf.bsky.social · 15/09/2025
Super happy to share that, after two great years @chub-fbk.bsky.social, I've just joined @uc3m.es and the GISC as an assistant prof in applied maths :)))
The UC3M campus
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Kaveh @kaveh-kadkhoda.bsky.social · 05/09/2025
Siena, science, and so much inspiration. Delighted to present my research on news media analysis at #CCS2025 Computational Social Science satellite. Viva Italia! 🇮🇹 @css-conference.bsky.social @chub-fbk.bsky.social
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Complex Human Behaviour Lab @chub-fbk.bsky.social · 03/09/2025
Also seen yesterday at @css-conference.bsky.social a work on reinforcement learning applied to ants behaviour by Alessio Pitteri, our study of the historical evolution of EU projects by @verorsanigo.bsky.social and the study on Coordinated Behavior by @elisamurators.bsky.social #CCS2025
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Complex Human Behaviour Lab @chub-fbk.bsky.social · 03/09/2025
Wide coverage of social media and disinformation analysis yesterday from our lab at the @css-conference.bsky.social, with four talks presenting our works associate to the European projects #AI4TRUST #AICODE_EU #HATEDEMICS
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Ulysse Marquis @ulyssemarquis.bsky.social · 03/09/2025
New pre-print out ! Work led by @eleandre.bsky.social, in collaboration with M. Napolitano and @ricgallotti.bsky.social. Using Foursquare data from Bologna, we find that the distribution of POIs follows a clear power-law pattern at the city scale. To explain this, we introduce a framework where ...
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Complexity Cat 🐱 @amahury.bsky.social · 02/09/2025
Finishing the social media session, @tlouf.bsky.social explores Telegram as a weighted, directed temporal network. His methodology reveals clustering, burstiness, and assortativity, all of them phenomena that are relevant when building reliable agent-based models. #CCS2025
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Matteo Scianna @matteoscianna.bsky.social · 03/09/2025
Just me pointing at prioritized communities at @css-conference.bsky.social. Great journey, so far. 🍉 ❓Presentation: Multilevel pipeline for tackling potential disinformative content in YouTube. 👥 @jordicondomtibau.bsky.social @ricgallotti.bsky.social @chub-fbk.bsky.social
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Elisa Muratore @elisamurators.bsky.social · 02/09/2025
Thrilled to share that I just gave my first-ever scientific conference talk at @css-conference.bsky.social! I presented our work "MarkedTemporalPointProcesses for simulating and capturing coordinated behaviour" on enhancing disinformation detection. Huge thanks to my supervisors and the audiance!☀️
@chub-fbk.bsky.social
@csaalto.bsky.social
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Mattia Mazzoli @mattiamazzoli.bsky.social · 02/09/2025
If you're at #CCS25 and are interested in human mobility and inequalities, at 11:30 in Room 149 I will talk of experienced segregation. This is a work we started at the @complexity72h.bsky.social workshop last year. Take a look at the preprint and see you there 🙂 🔗 arxiv.org/abs/2407.01799
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Hiroki Sayama @hirokisayama.bsky.social · 01/09/2025
2nd keynote Manlio De Domenico discusses approaches to figure out functionalities of complex systems #CCS2025
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Elisa Muratore @elisamurators.bsky.social · 01/09/2025
Great energy at the poster session today! It was a pleasure to be part of it presenting our work "How to design a collection strategy for monitoring disinformation and hate speech in Telegram". Excited for round two tomorrow – see you all there! ☀️
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Complex Human Behaviour Lab @chub-fbk.bsky.social · 02/09/2025
Yesterday was our first day at @css-conference.bsky.social in Siena 🇮🇹. We presented on Telegram data collection @elisamurators.bsky.social , city growth @ulyssemarquis.bsky.social and urban traffic (Alberto Amaduzzi). Excited for 5 more talks today! #CCS2025
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Conference on Complex Systems @css-conference.bsky.social · 27/08/2025
Here’s the final program for CCS2025—check it out! 🔗 ccs25.cssociety.org/programme-at...
ccs25.cssociety.org
Programme at A Glance – Conference on Complex Systems 2025
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Matteo Scianna @matteoscianna.bsky.social · 18/08/2025
📣🚨 New work out on @plos.org Computational Biology! Excited and proud to have provided the world with more maps of Puglia🕷️ Thank you all @luzuzek.bsky.social Oriol Artime @ricgallotti.bsky.social @mtizzoni.bsky.social journals.plos.org/ploscompbiol... 💊main results below👇
journals.plos.org
Comparing the effectiveness of ring and block-vaccination strategies on networks
Author summary Infectious diseases such as measles and Ebola have shown how quickly outbreaks can spread and how essential vaccination is to protect individuals. In our work, we investigate a spectrum...
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land-fbk.bsky.social @land-fbk.bsky.social · 04/08/2025
📢 Do you want to join our group? We opened **two** calls for a fully funded PhD. Details are in the image and at the following links. Calls: iecs.unitn.it/education/ad... PhD Details: iecs.unitn.it/education/ad... Deadline: August 22nd, 2025, hrs. 04:00 PM (CEST)
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Kaveh @kaveh-kadkhoda.bsky.social · 26/07/2025
New Preprint: A Data-Driven Approach to Supporting Fact-Checking and Mitigating Mis/Disinformation Through Domain Quality Evaluation 🔗 doi.org/10.31219/osf... @chub-fbk.bsky.social #AI4Trust #WebCredibility #Misinformation
doi.org
OSF
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Mattia Mazzoli @mattiamazzoli.bsky.social · 18/07/2025
📢 Happy to announce the next keynote speaker for UrbanSys at CCS2025 🏙️ Lin Chen Researcher at Department of Computer Science and Engineering at The Hong Kong University of Science and Technology 🔗 linchen-65.github.io/linchen/ Check our final line-up! 🔗 urban-sys-net.weebly.com/keynote-spea...
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Thomas Louf @tlouf.bsky.social · 11/07/2025
Our latest work with @martonkarsai.bsky.social, David Sánchez and José Ramasco just got published! (and open access) Here's a short thread to give you our main results ⏬
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Lucila Alvarez Zuzek @luzuzek.bsky.social · 04/07/2025
So excited to see this come together! 🎉 Our latest study explores the interplay between science and misinformation in public debates during COVID-19 🔍 arxiv.org/abs/2507.01481 👇Take a look
arxiv.org
Mapping the interaction between science and misinformation in COVID-19 tweets
During the COVID-19 pandemic, scientific understanding related to the topic evolved rapidly. Along with scientific information being discussed widely, a large circulation of false information, labelle...
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Vincent Traag @vtraag.bsky.social · 04/07/2025
New preprint! 🚨 We study the interaction between misinformation and science on Twitter during COVID-19 based on ~407M tweets. Both science and misinformation featured prominently during the pandemic, but the interaction between the two has not been studied on this scale before. 🧵 (1/10)
Mapping the interaction between science and misinformation in COVID-19 tweets.
Publication from @luzuzek.bsky.social, Juan Pablo Bascur, @annabertani.bsky.social, @ricgallotti.bsky.social. This project is supported by European Media and Information Fund.

Abstract: During the COVID-19 pandemic, scientific understanding related to the topic evolved rapidly. Along with scientific information being discussed widely, a large circulation of false information, labelled an infodemic by the WHO, emerged. Here, we study the interaction between misinformation and science on Twitter (now X) during the COVID-19 pandemic. We built a comprehensive database of  407M COVID-19 related tweets and classified the reliability of URLs in the tweets based on Media Bias/Fact Check. In addition, we use Altmetric data to see whether a tweet refers to a scientific publication. We find that many users find that many users share both scientific and unreliable content; out of the  1.2M users who share science,   also share unreliable content. Publications that are more frequently shared by users who also share unreliable content are more likely to be preprints, slightly more often retracted, have fewer citations, and are published in lower-impact journals on average. Our findings suggest that misinformation is not related to a ``deficit'' of science. In addition, our findings raise some critical questions about certain open science practices and their potential for misuse. Given the fundamental opposition between science and misinformation, our findings highlight the necessity for proactive scientific engagement on social media platforms to counter false narratives during global crises.
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Riccardo Gallotti @ricgallotti.bsky.social · 26/06/2025
The Grand Amphithéâtre of @sorbonne-universite.fr is definitively not a bad venue for a the keynote session of @sunbelt2025paris.bsky.social #Sunbelt2025
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Complex Human Behaviour Lab @chub-fbk.bsky.social · 26/06/2025
Cocktails in Paris 🥂 Thanks @sunbelt2025paris.bsky.social for this amazing view ✨🇫🇷 @ricgallotti.bsky.social @tlouf.bsky.social @luzuzek.bsky.social @annabertani.bsky.social
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Riccardo Gallotti @ricgallotti.bsky.social · 25/06/2025
I finally have the pleasure of attending Sunbelt in person for the first time, together with four members of my unit @chub-fbk.bsky.social This year among the organisers we also have many familiar faces such as @camcom.bsky.social , @chavalarias.org , Floriana Gargiulo and Emmanuel Lazega.
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Complex Human Behaviour Lab @chub-fbk.bsky.social · 25/06/2025
🚨If you're around Paris come to see @tlouf.bsky.social talking today about the structure and dynamics of information flow on Telegram at @sunbelt2025paris.bsky.social and @css-fr.bsky.social
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Complex Human Behaviour Lab @chub-fbk.bsky.social · 25/06/2025
🎙️Busy morning today at @sunbelt2025paris.bsky.social for CHuB talking about mis/disinformation on Twitter and Mastodon @ricgallotti.bsky.social @kaveh-kadkhoda.bsky.social @annabertani.bsky.social
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Kaveh @kaveh-kadkhoda.bsky.social · 25/06/2025
Paris, croissants, and network science! 🌐✨ Presenting at #Sunbelt2025 on how domain-level signals help fact-checkers outsmart misinformation. Vive la vérité! @sunbelt2025paris.bsky.social @insna.bsky.social
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Complex Human Behaviour Lab @chub-fbk.bsky.social · 16/06/2025
🚨 check out our latest work 👇🏼
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Thomas Louf @tlouf.bsky.social · 16/06/2025
🚨 Deadline is this Friday (23:59 CET), remember to submit your works to join us in Siena!
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Nature Human Behaviour @nathumbehav.nature.com · 21/05/2025
This new paper finds that GPT-4 outperforms humans in debates when prompted with basic sociodemographic data. @frasalvi.bsky.social @manoelhortaribeiro.bsky.social @ricgallotti.bsky.social www.nature.com/articles/s41...
nature.com
On the conversational persuasiveness of GPT-4 - Nature Human Behaviour
Salvi et al. find that GPT-4 outperforms humans in debates when given basic sociodemographic data. With personalization, GPT-4 had 81.2% higher odds of post-debate agreement than humans.
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