output
19992026
most citedSparsistency and rates of convergence in large covariance matrix estimation

421 citations

Showing 2020 · physics.soc-phShow all

5 papers · 2 filters

physics.soc-ph2020★ 51 cited

Detecting anomalous citation groups in journal networks

Sadamori Kojaku, Giacomo Livan, Naoki Masuda

The ever-increasing competitiveness in the academic publishing market incentivizes journal editors to pursue higher impact factors. This translates into journals becoming more sele…

physics.soc-ph2020★ 8 cited

Upstreamness and downstreamness in input-output analysis from local and aggregate information

Silvia Bartolucci, Fabio Caccioli, Francesco Caravelli +1

Ranking sectors and countries within global value chains is of paramount importance to estimate risks and forecast growth in large economies. However, this task is often non-trivia…

physics.soc-ph2020★ 31 cited

Ranking influential nodes in networks from partial information

Silvia Bartolucci, Fabio Caccioli, Francesco Caravelli +1

Many complex systems exhibit a natural hierarchy in which elements can be ranked according to a notion of "influence". While the complete and accurate knowledge of the interactions…

physics.soc-ph2020★ 5 cited

A Two-Phase Dynamic Contagion Model for COVID-19

Zezhun Chen, Angelos Dassios, Valerie Kuan +4

In this paper, we propose a continuous-time stochastic intensity model, namely, two-phase dynamic contagion process(2P-DCP), for modelling the epidemic contagion of COVID-19 and in…

physics.soc-ph2020★ 36 cited

A network perspective on intermedia agenda-setting

Samuel Stern, Giacomo Livan, Robert E. Smith

In Communication Theory, intermedia agenda-setting refers to the influence that different news sources may have on each other, and how this subsequently affects the breadth of info…