3 papers
cs.SI2025
The Impact of External Sources on the Friedkin-Johnsen Model
Charlotte Out, Sijing Tu, Stefan Neumann +1
To obtain a foundational understanding of timeline algorithms and viral content in shaping public opinions, computer scientists started to study augmented versions of opinion forma…
cs.DS2025
OptiRefine: Densest subgraphs and maximum cuts with refinements
Sijing Tu, Aleksa Stankovic, Stefan Neumann +1
Data-analysis tasks often involve an iterative process, which requires refining previous solutions. For instance, when analyzing dynamic social networks, we may be interested in mo…
cs.SI2022
A Viral Marketing-Based Model For Opinion Dynamics in Online Social Networks
Sijing Tu, Stefan Neumann
Online social networks provide a medium for citizens to form opinions on different societal issues, and a forum for public discussion. They also expose users to viral content, such…