3 papers
cs.LG2024
Linking Across Data Granularity: Fitting Multivariate Hawkes Processes to Partially Interval-Censored Data
Pio Calderon, Alexander Soen, Marian-Andrei Rizoiu
The multivariate Hawkes process (MHP) is widely used for analyzing data streams that interact with each other, where events generate new events within their own dimension (via self…
cs.LG2024
What Drives Online Popularity: Author, Content or Sharers? Estimating Spread Dynamics with Bayesian Mixture Hawkes
Pio Calderon, Marian-Andrei Rizoiu
The spread of content on social media is shaped by intertwining factors on three levels: the source, the content itself, and the pathways of content spread. At the lowest level, th…
cs.SI2024
Opinion Market Model: Stemming Far-Right Opinion Spread using Positive Interventions
Pio Calderon, Rohit Ram, Marian-Andrei Rizoiu
Online extremism has severe societal consequences, including normalizing hate speech, user radicalization, and increased social divisions. Various mitigation strategies have been e…