activity
20202025
most citedSoftening online extremes organically and at scale

2 citations · 4 across the 9 of their papers we have counts for

collaborators

9 papers

cs.SI2025

Long-term resilience of online battle over vaccines and beyond

Lucia Illari, Nicholas J. Restrepo, Neil F. Johnson

What has been the impact of the enormous amounts of time, effort and money spent promoting pro-vaccine science from pre-COVID-19 to now? We answer this using a unique mapping of on…

cs.SI2023

Complexity of the Online Distrust Ecosystem and its Evolution

Lucia Illari, Nicholas J. Restrepo, Neil F. Johnson

Collective human distrust (and its associated mis-disinformation) is one of the most complex phenomena of our time. e.g. distrust of medical expertise, or climate change science, o…

physics.soc-ph2023

Controlling bad-actor-AI activity at scale across online battlefields

Neil F. Johnson, Richard Sear, Lucia Illari

We show how the looming threat of bad actors using AI/GPT to generate harms across social media, can be addressed at scale by exploiting the intrinsic dynamics of the social media…

physics.soc-ph2023

Adaptive link dynamics drive online hate networks and their mainstream influence

Minzhang Zheng, Richard Sear, Lucia Illari +2

Online hate is dynamic, adaptive -- and is now surging armed with AI/GPT tools. Its consequences include personal traumas, child sex abuse and violent mass attacks. Overcoming it w…

physics.soc-ph2023

Rise of post-pandemic resilience across the distrust ecosystem

Lucia Illari, Nicholas J. Restrepo, Neil F. Johnson

Why is distrust (e.g. of medical expertise) now flourishing online despite the surge in mitigation schemes being implemented? We analyze the changing discourse in the Facebook ecos…

nlin.AO2022

Shockwaves and turbulence across social media

Pedro D. Manrique, Frank Huo, Sara El Oud +3

Online communities featuring 'anti-X' hate and extremism, somehow thrive online despite moderator pressure. We present a first-principles theory of their dynamics, which accounts f…

cs.SI2022★ 2 cited

Softening online extremes organically and at scale

Elvira Maria Restrepo, Martin Moreno, Lucia Illari +1

Calls are escalating for social media platforms to do more to mitigate extreme online communities whose views can lead to real-world harms, e.g., mis/disinformation and distrust th…

physics.soc-ph2021★ 1 cited

Losing the battle over best-science guidance early in a crisis: Covid-19 and beyond

L. Illari, N. Johnson Restrepo, R. Leahy +3

Ensuring widespread public exposure to best-science guidance is crucial in a crisis, e.g. Covid-19, climate change. Mapping the emitter-receiver dynamics of Covid-19 guidance among…

physics.soc-ph2020★ 1 cited

Hidden order in online extremism and its disruption by nudging collective chemistry

N. F. Johnson, N. Velasquez, P. Manrique +5

We show that the eclectic "Boogaloo" extremist movement that is now rising to prominence in the U.S., has a hidden online mathematical order that is identical to ISIS during its ea…