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R. Sear · SciRah

Researcher profile · Semantic Scholar

R. Sear

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R. Sear — researcher profile on SciRah

h-index: 9
Works: 23
Citations: 362

Most-cited papers

Quantifying COVID-19 Content in the Online Health Opinion War Using Machine Learning
R. Sear, N. Velásquez, R. Leahy, N. J. Restrepo +4 more
2020IEEE Access114 citations Open access
Semantic Scholar
Online hate network spreads malicious COVID-19 content outside the control of individual social media platforms
N. Velásquez, R. Leahy, N. J. Restrepo, Y. Lupu +5 more
2020Scientific Reports60 citations Open access
Semantic Scholar
Offline events and online hate
Y. Lupu, R. Sear, N. Velásquez, R. Leahy +3 more
2023PLoS ONE57 citations Open access
Semantic Scholar
Hate multiverse spreads malicious COVID-19 content online beyond individual platform control
N. Velásquez, R. Leahy, N. J. Restrepo, Yonatan Lupu +5 more
202039 citations
Semantic Scholar
How Social Media Machinery Pulled Mainstream Parenting Communities Closer to Extremes and Their Misinformation During Covid-19
N. J. Restrepo, L. Illari, R. Leahy, R. Sear +2 more
2022IEEE Access19 citations Open access
Semantic Scholar
Adaptive link dynamics drive online hate networks and their mainstream influence
Min-Zhang Zheng, R. Sear, L. Illari, N. J. Restrepo +1 more
2023npj Complexity14 citations Open access
Semantic Scholar
How U.S. Presidential elections strengthen global hate networks
Akshay Verma, R. Sear, Neil F. Johnson
2024npj Complexity9 citations Open access
Semantic Scholar
Connectivity Between Russian Information Sources and Extremist Communities Across Social Media Platforms
R. Leahy, N. J. Restrepo, R. Sear, N. Johnson
2022Frontiers in Political Science9 citations Open access
Semantic Scholar
Hidden order across online extremist movements can be disrupted by nudging collective chemistry
N. Velásquez, P. Manrique, R. Sear, R. Leahy +4 more
2021Scientific Reports9 citations Open access
Semantic Scholar
Dynamic Topic Modeling Reveals Variations in Online Hate Narratives
R. Sear, N. J. Restrepo, Y. Lupu, N. Johnson
2022Sai7 citations
Semantic Scholar
Covid-19 infodemic reveals new tipping point epidemiology and a revised R formula
N. Johnson, N. Velásquez, O. Jha, H. Niyazi +7 more
2020arXiv.org7 citations
Semantic Scholar
Machine Learning Language Models: Achilles Heel for Social Media Platforms and a Possible Solution
R. Sear, R. Leahy, N. J. Restrepo, Y. Lupu +1 more
2021Advances in Artificial Intelligence and Machine Learning5 citations Open access
Semantic Scholar
Controlling bad-actor-artificial intelligence activity at scale across online battlefields
Neil F. Johnson, R. Sear, L. Illari
2023PNAS Nexus4 citations Open access
Semantic Scholar
Dynamic Latent Dirichlet Allocation Tracks Evolution of Online Hate Topics
R. Sear, R. Leahy, N. J. Restrepo, Y. Lupu +1 more
2022Advances in Artificial Intelligence and Machine Learning3 citations Open access
Semantic Scholar
Hidden order in online extremism and its disruption by nudging collective chemistry
N. Johnson, N. Velásquez, P. Manrique, R. Sear +4 more
2020arXiv.org3 citations
Semantic Scholar
Mainstreaming of conspiracy theories and misinformation
N. Johnson, N. Velásquez, N. J. Restrepo, R. Leahy +4 more
2021arXiv.org2 citations Open access
Semantic Scholar
Transnational and trans-topic web-of-influence ahead of U.K. city riots
Akshay Verma, R. Sear, N. J. Restrepo, Neil F. Johnson
2025Applied Network Science1 citations Open access
Semantic Scholar
Controlling bad-actor-AI activity at scale across online battlefields
N. Johnson, R. Sear, L. Illari
20231 citations
Semantic Scholar
Online identity and action discourse around the 2020 and 2024 U.S. presidential elections
M. Lipatov, L. Illari, R. Sear, Akshay Verma +2 more
2026PLOS Complex Systems0 citations Open access
Semantic Scholar
City riots fed by transnational and trans-topic web-of-influence
Akshay Verma, R. Sear, N. J. Restrepo, Neil F. Johnson
2025arXiv.org0 citations
Semantic Scholar
U.S. Election Hardens Hate Universe
Akshay Verma, R. Sear, Neil F. Johnson
2024arXiv.org0 citations
Semantic Scholar
Unprecedented reach and rich online journeys drive hate and extremism globally
R. Sear, Neil F. Johnson
2023arXiv.org0 citations
Semantic Scholar
in Online Hate Narratives
R. Sear, N. J. Restrepo, Y. Lupu, Neil F. Johnson
0 citations
Semantic Scholar

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N. J. Restrepo×17
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N. J. Restrepo — researcher profile on SciRah
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R. Leahy×12
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