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physics.soc-ph2026
The hierarchical organization of urban social overlap: How shared social spaces diverge from physical mobility
Bibandhan Poudyal, Mariana Macedo, Ronaldo Menezes +1
Cities are commonly characterized through population density, infrastructure, and mobility flows. These quantities describe where people are and how they move, but movement does no…
cs.IR2026
A Shared IPTC Topic Space for Cross-Source Topic Modelling
Din Iskakov, Sebastian Gonçalves, Marco Idiat +4
Comparing topic attention across different media is hindered by a fundamental modelling problem: topic models fitted separately to each corpus produce corpus-specific topic spaces…