AI models judge urban safety from street photos, but personas skew the verdict
A study of four multimodal AI models across 56 cities finds they can predict perceived street safety from images but ...
Tag: EPJ Data Science
Machine Learning Flags Gambling Risk From Routine Betting Data Without Clinical Labels
A leakage-controlled machine learning pipeline converts routine online gambling telemetry into an auditable three-level risk flag that outperformed incumbent queues ...
Study Pinpoints Critical Periods That Turn Occasional Gym Visits Into Steady Habits
A large-scale study of Türkiye's biggest gym chain identifies critical attendance periods and shows that personalized guidance and social dynamics ...
Beijing phone data reveal segregation varies sharply across transport modes
A study of Beijing mobile phone data shows that social mixing varies sharply by transport mode, with rail producing the ...
New web-scale knowledge graph maps wildlife crime from scattered web sources
Researchers built WILD-CRIME, an automated framework that turns scattered web sources into a semantically enriched wildlife crime knowledge graph for ...
Model traces ship AIS blackout zones in conflict-affected Black Sea waters
A new EPJ Data Science study models 27 million AIS signals from the 2018 Eastern Black Sea to link prolonged ...
Cosponsorship networks reveal which lawmakers’ support helps bills pass
A network measure built from House cosponsorship of successful bills is more indicative of bill passage than conventional centrality measures, ...
New framework untangles tangled supply chains of 650,000 firms
A new framework called f-HiCoNE uses combinatorial Hodge decomposition to extract flow-hierarchical clusters from a nationwide transaction network of about ...
Reddit Shows Clear Political Polarization and Echo-Chamber Patterns, Study Finds
A statistical analysis of Reddit conversations around the 2016 US election reveals clear polarization and structural patterns consistent with echo ...
New Model Captures How Multiple Social Traits Shape Network Connections
A multidimensional extension of the Social Distance Attachment model shows that interactions among social traits shape community structure and minority ...
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