Assistant Professor at Chonnam National University; complex systems, computational social science, data science, AI and future of work, urban computing.
New paper out in Nature Computational Science
neuroGravity is a physics-informed deep learning model that reconstructs mobility networks from what's almost always available
https://t.co/ybFzLpeHuP
https://t.co/IyBHGC97o6
Best Commentary: https://t.co/j6hpxz0jLt by Ryan Qi Wang
New paper in PNAS: We find Heaps' law, empirical regularity first identified in how diversity of vocabulary scales in books, also describes function diversity in cells and many human organizations (with cities being a notable exception). w/ @sfiscience
https://t.co/oSGdHTeSsI
🚨 Our latest paper just came out in Science, where we report a simple, historical pattern:
From 1980 to 2020, Republican lawmakers consistently funded science at a higher level than their Democratic counterparts.
four years in the making. Led by @zfurnas
thread 1/n
New paper in @Nature shows how development is a physical process mediated by urban networks: Uses the first census of buildings in Africa (~415M!) to localize sustainable development in every street block. @UChicago@sfiscience@CSHVienna@sdi_net
https://t.co/gCffPPP2Gv
Join us for the Science of Science Korea Workshop 2025!
📅 Sept 11, KAIST, South KOrea
Keynote by @dashunwang + Panel Discussion + talks on scientific impact, knowledge production & collaboration.
Please Register Here 👉 https://t.co/rDi10pk8RM
If you know a 🚨 Scholar at Risk 🚨 please share!
I am delighted to share that applications are now open for the MAXMINDS mentoring program. This initiative supports researchers who have been displaced, or are at risk of displacement, due to war or natural disasters, and who currently have limited access to resources and institutional support.
It is open to scholars at all career stages and offers tailored mentoring – from guidance on applications for positions, fellowships, or guest programs within the Max Planck Society, to support based on the research interests of both mentors and mentees. Mentoring will last at least three months, with the option to extend to six.
Apply here: https://t.co/pK19YQF1dh
The deadline to apply is September 15.
Please share this opportunity with researchers who may benefit. Those interested in joining as mentors are warmly invited to contact us at [email protected] for more information.
Just published in @ScientificData! 🚨
We collected continuous physiological + motion signals from 49 healthy adults (mean age: 28.35 ± 5.87, 51% female) using smartwatches ⌚ over a 4-week period.
Real-world, real-time data, sampled every 100ms!⚡
https://t.co/4XIRBeUskD
Can we turn a science fiction thought experiment into an actual experiment?
Check out our new @Nature paper on the "Science Fiction Science" method (summarized by @azimshariff below)
What happens before and after tenure? Check out our latest paper in PNAS @PNASNews: Tenure and Research Trajectories
Led by Giorgio Tripodi, postdoc in my lab. Fun collaboration with Xiangzheng, @qian_yifan, Dakota Murray, @bfjo & @ChaoqunNi
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Scandals over #AI in #welfare are growing. Our @NatureComms paper reveals core issues:
1️⃣ Aggregating public views hides vulnerable voices
2️⃣ Even well-meant AI builders can fail bc they misread claimants’ views
🚨We need co-design, not only consensus.
https://t.co/HhydAySbha
📢📢 Postdoc Opportunity at @NorthwesternU@dashunwang and I are seeking a creative, interdisciplinary researcher for a joint postdoc fellowship between our labs.
If you're passionate about Human-AI Collaboration and Science of Science, this may be for you!
Please share!
📣 We are hiring! 📣
Four new positions in CCL at the Toulouse School of Economics!
We are looking for:
-One postdoc in economic complexity (18 months)
-One postdoc in machine learning for urban perception (24 months)
-One web engineer/full stack developer interested in urban form & citizen participation (24 months)
-One UI/UX designer/architect interested in sustainability (9 months).
All positions are in Toulouse, France, at the Toulouse School of Economics.
Please share!
For details, visit the link below.
New paper on urban scaling & global connections. We show global connectivity (through multinational firms), plays a significant role in GDP. After accounting for global connectivity, effect of population is no longer distinguishable from linear.
🚨채용공고!!!🚨
저희 KDI 대학원에서 (1) Trade and Industrial Policy, (2) Macroeconomics, (3) Public Administration and Leadership 이렇게 세 분야에서 전임교원을 채용합니다! 연구 좋아하시는 주니어 연구자분들, 얼른 저희학교에 오셔서 같이 연구하시죠! :-)
https://t.co/grjjDeSe8f
📢 I am on the economic job market 🚀
My JMP "Algorithmic and Human Collusion" shows pricing algorithms can be more collusive than humans and explores their interaction.
Link: https://t.co/5l9TGIHYsZ
Other research: https://t.co/aoQ8d8VqBz
#EconTwitter#EconJM#JMP
👻 Spook the Machine 🤖
AI scare you, but can you scare it?
Check out our new Halloween AI project. Each AI has a different phobia. You can try to spook the machine by crafting a prompt to generate an image.
We are giving away $ prizes for the best images.
https://t.co/BGdqWzuYLS
1/6💡 New research alert! We've developed a novel "belief embedding space" using LLMs to capture complex relationships between thousands of human beliefs based on online debate data. w/ @ByunghweeLee@RachithAiyappa Yong-Yeol (YY) Ahn @haewoon, arXiv: https://t.co/dhV7a3h5f4