4 papers
Reliability-Aware Refinement of High-Resolution Human Mobility Origin-Destination Tables under Sparsity and Suppression
Yohei Shida, Ryosuke Susuta, Takuhiro Moriyama +1
High-resolution origin-destination (OD) tables derived from digital mobility traces can preserve fine-scale collective movement structure, but sampling, population expansion, and p…
Privacy-Preserving Synthetic Dataset of Individual Daily Trajectories for City-Scale Mobility Analytics
Jun'ichi Ozaki, Ryosuke Susuta, Takuhiro Moriyama +1
Urban mobility data are indispensable for urban planning, transportation demand forecasting, pandemic modeling, and many other applications; however, individual mobile phone-derive…
Approximation of human flow in urban areas by a network of electric circuits : Potential fields and fluctuation-dissipation relations
Yohei Shida, Jun'ichi Ozaki, Hideki Takayasu +1
Owing to the big data the extension of physical laws on nonmaterial has seen numerous successes, and human mobility is one of the scientific frontier topics. Recent GPS technology…
Daily-activity-dependency of effective reproduction number in COVID-19 pandemic: direct modelling from GPS data
Jun'ichi Ozaki, Yohei Shida, Hideki Takayasu +1
During the COVID-19 pandemic, governments faced difficulties in implementing mobility restriction measures, as no clear quantitative relationship between human mobility and infecti…