79 citations · 541 across the 84 of their papers we have counts for
10 papers · 1 filter
Tell me something my friends do not know: Diversity maximization in social networks
Antonis Matakos, Aristides Gionis
Social media have a great potential to improve information dissemination in our society, yet, they have been held accountable for a number of undesirable effects, such as polarizat…
Explainable time series tweaking via irreversible and reversible temporal transformations
Isak Karlsson, Jonathan Rebane, Panagiotis Papapetrou +1
Time series classification has received great attention over the past decade with a wide range of methods focusing on predictive performance by exploiting various types of temporal…
Finding events in temporal networks: Segmentation meets densest-subgraph discovery
Polina Rozenshtein, Francesco Bonchi, Aristides Gionis +2
In this paper we study the problem of discovering a timeline of events in a temporal network. We model events as dense subgraphs that occur within intervals of network activity. We…
Mining Frequent Patterns in Evolving Graphs
Cigdem Aslay, Muhammad Anis Uddin Nasir, Gianmarco De Francisci Morales +1
Given a labeled graph, the frequent-subgraph mining (FSM) problem asks to find all the -vertex subgraphs that appear with frequency greater than a given threshold. FSM has numer…
Robust Cascade Reconstruction by Steiner Tree Sampling
Han Xiao, Cigdem Aslay, Aristides Gionis
We consider a network where an infection cascade has taken place and a subset of infected nodes has been partially observed. Our goal is to reconstruct the underlying cascade that…
Maximizing the Diversity of Exposure in a Social Network
Cigdem Aslay, Antonis Matakos, Esther Galbrun +1
Social-media platforms have created new ways for citizens to stay informed and participate in public debates. However, to enable a healthy environment for information sharing, soci…