📢🔥 Latest @NatureComms paper! We show that navigation services have an unexpected collective effect: as adoption increases, they concentrate traffic onto fewer roads, reducing route diversity by up to 14%. Paper: www.nature.com/articles/s41...

How do we stop model collapse in AI autophagy? In our ACM TIST paper, we show how perplexity-filtering mitigates model collapse by filtering out low-quality synthetic data. 📄 Paper here: dl.acm.org/doi/10.1145/... @danigambit.bsky.social

In Boston for @netsciconf.bsky.social. See you on Friday 11:15 for session PS 3.6 Mobility, Spatial & Urban Networks 3 The urban impact of algorithmic navigation D. Pedreschi lnkd.in/dAG-v4PF The urban impact of AI: modelling feedback loops in location-based recsys L. Pappalardo lnkd.in/dR4JjCCQ

This #OpenAccess study from 'Machine Learning' represents the first attempt to study how the human-AI feedback loop reshapes human mobility patterns. bit.ly/4c64FvV @gmauro10.bsky.social @lucapappalardo.bsky.social #AI #ML

📢 New paper! We study urban location recommenders and their feedback with human mobility. Simulating this loop reveals a paradox: people explore more individually, yet city visits and encounters concentrate. Cities coevolve with AI, and inequality can grow. 📄 link.springer.com/article/10.1...

Delighted to share that my group at CNR won a FIS Consolidator grant (the “Italian ERC”) to study City-AI Coevolution. We’ll investigate how the human-AI feedback loop shapes human mobility and urban life.

The first episode of our gentrification saga is finally open access! www.worldscientific.com/doi/10.1142/... @nicopedre.bsky.social @lucapappalardo.bsky.social

Advances in Complex Systems

ACS is an international, peer-reviewed journal, uniquely publishing in multidisciplinary approaches, either empirical or theoretical, to the study of complex systems.

worldscientific.com

Three lightning talks by KDD Lab of Pisa at @css-conference.bsky.social in Siena, in a few minutes in the plenary room!

🚦 How diverse are your city’s routes? Today at @ic2s2.bsky.social (lightning talks), @gcornacchia.bsky.social presents: “Route Diversification in Road Networks”. We introduce DiverCity, a metric to quantify how traffic can spread across alternative routes. #HumanMobility #Routing #ic2s2

How do recommender systems shape our behavior? 📄 We review 144 studies across domains, from social media to GenAI. 🧭 With the EU Digital Services Act, data access is now possible. Our survey offers a guide to studying recommender-driven risks. 🔗 arxiv.org/abs/2407.01630

Honored to host Prof. Marta González at our KDD Lab in Pisa! Her talk on the Science of Cities at Scuola Normale Superiore (@sns.it) was deeply inspiring. A true privilege to meet the researcher who sparked my passion for human mobility. #UrbanScience #Mobility #Cities

Great turnout for our workshop on the effects of Recommender Systems on social environments @hhaiconference.bsky.social

Back in action with the Gentrification crew! @nicopedre.bsky.social @lucapappalardo.bsky.social Truly honoured to receive this award at @netsciconf.bsky.social in Maastricht. More updates coming soon!

The full UN report is available here: hdr.undp.org/content/huma... Our paper is here: sciencedirect.com/science/arti...

Excited that our paper "Human-AI Coevolution" is cited in the latest UN Human Development Report: "A Matter of Choice: People and Possibilities in the Age of AI"! 🌍🤖 📘 UN report here: hdr.undp.org/content/huma... 📘 Paper here: www.sciencedirect.com/science/arti...

Latest work on human mobility! A great collaboration with colleagues at FBK. Look at the paper on @pnas.org 👇

Massimiliano Luca@maxluca.bsky.social · last yr.

New in PNAS! 📢 lnkd.in/d7z2VEjh 👉 We show how combining individual & collective behavior boosts out-of-routine mobility prediction 👉 We found collective behavior strongly impacts individual mobility in dense urban areas. 👉 The model is robust to severe behavioral changes (e.g., COVID pandemic)

I just came across a paper full of hallucinated citations. www.nature.com/articles/s41... I have four urgent questions: 1) Which version of ChatGPT wrote this? 2) Which version of ChatGPT peer-reviewed it? 3) How many of these slip through “reputable” journals every day? 4) Are we being trolled?

The human-AI feedback loop strikes back! This time in the urban environment. Look at our latest work 👇

Giovanni Mauro@gmauro10.bsky.social · last yr.

We constantly ask our apps where to visit, eat or drink. AI tells us, and most of the time, we follow it. The loop continues. But do AIs favor certain places? How would we even know if we don’t own the platforms? We modeled this complex phenomenon, and results are fascinating! Spoiler: rich get…

🚀 Dino Pedreschi parla di coevoluzione tra umani ed AI a War Room InnovAction con @lucadebiase.bsky.social, in occasione dell’uscita del nostro articolo "Human-AI Coevolution" su Artificial Intelligence. 📺 Guarda l’intervista: 👉 www.youtube.com/watch?v=ARif... #AI #HumanAI #Coevolution

War Room InnovAction - Luca De Biase dialoga con Dino Pedreschi

YouTube video by InConTraSrl

youtube.com

Preprint v2 is out! On @arxiv-cs-cl.bsky.social our update on #ModelCollapse of #AI #LLMs with new characterizations based on #Semantic #Networks and #NextToken predictions, new insights about the collapse effect and possible mitigation methods. @lucapappalardo.bsky.social arxiv.org/abs/2410.12341

Characterizing Model Collapse in Large Language Models Using Semantic Networks and Next-Token Probability

As synthetic content increasingly infiltrates the web, generative AI models may experience an autophagy process, where they are fine-tuned using their own outputs. This autophagy could lead to a pheno...

arxiv.org

🚨#callforpapers🚨 Last day to submit your work for the Hybrid Human-Artificial Intelligence Conference. 👉 Abstract: today 👉 Full paper: January 31, 2025 Join us at #HHAI2025 in Pisa, June 9-13! 🌐 hhai-conference.org/2025/cfp/ #AI #conference #ML #AIEthics

📢 𝗦𝗽𝗿𝗲𝗮𝗱 𝘁𝗵𝗲 𝘄𝗼𝗿𝗱: 𝗱𝗲𝗮𝗱𝗹𝗶𝗻𝗲 𝗮𝗽𝗽𝗿𝗼𝗮𝗰𝗵𝗶𝗻𝗴! 📢 You have only until 𝗙𝗿𝗶𝗱𝗮𝘆, 𝗝𝗮𝗻𝘂𝗮𝗿𝘆 𝟮𝟰 to submit your paper to HHAI 2025. Find all the details here and apply now 👉 hhai-conference.org/2025/cfp/ ☀️ HHAI 2025 will be held on June 9–13, 2025, in Pisa #artificialintelligence

The KDD Lab Workshop 2024 just started in San Miniato, Italy. Two days for sharing the last achievements and new horizons in research...

Big thanks to @ric-dicle.bsky.social for an outstanding lesson on unlocking the secrets of human mobility with digital data in our #GeospatialAnalytics course at the University of Pisa. Inspiring and eye-opening! 🌍📊🚶‍♂️ #HumanMobility

Thanks for tue amazing event in Pisa. I’m back home but looking forward to the next steps. Special thanks to @adtony.bsky.social @ric-dicle.bsky.social and @lucapappalardo.bsky.social!

Interesting article on @forbes.com on Human-AI coevolution, covering our recent publication on AIJ 👉 www.sciencedirect.com/science/arti... www.forbes.com/sites/lancee...

Evolving Together: Human-AI Coevolution Is Said To Be Coming Whether Humanity Likes It Or Not

A trending claim is that human-AI coevolution is underway and will expand. AI shapes humans, humans shape AI. Good or bad? Here's the inside scoop.

forbes.com

What an incredible experience at the European Mobility Symposium! Huge thanks to @ric-dicle.bsky.social for co-organizing and to all the participants for the enriching discussions. See you at the next edition! #EMoS #HumanMobility

Just started the second day of the European Mobility Symposium here in Pisa! Excited to discuss new view on human mobility! Hosted together @lucapappalardo.bsky.social @connectionslab.bsky.social @nunetsi.bsky.social link here ems2024pisa.github.io/europeanmobi...

Amazing first day here at the European Mobility Symposium. Really happy that the format designed encouraged engagement and discussions. Thanks to @lucapappalardo.bsky.social @gmauro10.bsky.social @ric-dicle.bsky.social @adtony.bsky.social ems2024pisa.github.io/europeanmobi...

go.bsky.app/PPpuajB