124 citations · 1.2k across the 61 of their papers we have counts for
8 papers · 1 filter
To Be Connected, or Not to Be Connected: That is the Minimum Inefficiency Subgraph Problem
Natali Ruchansky, Francesco Bonchi, David Garcia-Soriano +2
We study the problem of extracting a selective connector for a given set of query vertices in a graph . A selective connector is a subgraph of which…
Hate is not Binary: Studying Abusive Behavior of #GamerGate on Twitter
Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn +3
Over the past few years, online bullying and aggression have become increasingly prominent, and manifested in many different forms on social media. However, there is little work an…
Load Balancing for Skewed Streams on Heterogeneous Cluster
Muhammad Anis Uddin Nasir, Hiroshi Horii, Marco Serafini +4
Streaming applications frequently encounter skewed workloads and execute on heterogeneous clusters. Optimal resource utilization in such adverse conditions becomes a challenge, as…
The Web Centipede: Understanding How Web Communities Influence Each Other Through the Lens of Mainstream and Alternative News Sources
Savvas Zannettou, Tristan Caulfield, Emiliano De Cristofaro +5
As the number and the diversity of news outlets on the Web grow, so does the opportunity for "alternative" sources of information to emerge. Using large social networks like Twitte…
Measuring #GamerGate: A Tale of Hate, Sexism, and Bullying
Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn +3
Over the past few years, online aggression and abusive behaviors have occurred in many different forms and on a variety of platforms. In extreme cases, these incidents have evolved…
Identifying high betweenness centrality nodes in large social networks
Nicolas Kourtellis, Tharaka Alahakoon, Ramanuja Simha +2
This paper proposes an alternative way to identify nodes with high betweenness centrality. It introduces a new metric, k-path centrality, and a randomized algorithm for estimating…
Mean Birds: Detecting Aggression and Bullying on Twitter
Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn +3
In recent years, bullying and aggression against users on social media have grown significantly, causing serious consequences to victims of all demographics. In particular, cyberbu…
If you are not paying for it, you are the product: How much do advertisers pay to reach you?
Panagiotis Papadopoulos, Nicolas Kourtellis, Pablo Rodriguez Rodriguez +1
Online advertising is progressively moving towards a programmatic model in which ads are matched to actual interests of individuals collected as they browse the web. Letting the hu…