4 papers
A multi-layer approach to disinformation detection on Twitter
Francesco Pierri, Carlo Piccardi, Stefano Ceri
We tackle the problem of classifying news articles pertaining to disinformation vs mainstream news by solely inspecting their diffusion mechanisms on Twitter. Our technique is inhe…
Topology comparison of Twitter diffusion networks effectively reveals misleading information
Francesco Pierri, Carlo Piccardi, Stefano Ceri
In recent years, malicious information had an explosive growth in social media, with serious social and political backlashes. Recent important studies, featuring large-scale analys…
Rethinking network reciprocity over social ties: local interactions make direct reciprocity possible and pave the rational way to cooperation
Fabio Dercole, Fabio Della Rossa, Carlo Piccardi
Since Nowak & May's (1992) influential paper, network reciprocity--the fact that individuals' interactions repeated within a local neighborhood support the evolution of cooperation…
Complexity, Centralization, and Fragility in Economic Networks
Carlo Piccardi, Lucia Tajoli
Trade networks, across which countries distribute their products, are crucial components of the globalized world economy. Their structure is strongly heterogeneous across products,…