61 citations · 261 across the 22 of their papers we have counts for
5 papers · 1 filter
QuickCent: a fast and frugal heuristic for harmonic centrality estimation on scale-free networks
Francisco Plana, Andrés Abeliuk, Jorge Pérez
We present a simple and quick method to approximate network centrality indexes. Our approach, called QuickCent, is inspired by so-called fast and frugal heuristics, which are heuri…
Friendship Paradox Biases Perceptions in Directed Networks
Nazanin Alipourfard, Buddhika Nettasinghe, Andres Abeliuk +2
How popular a topic or an opinion appears to be in a network can be very different from its actual popularity. For example, in an online network of a social media platform, the num…
Discovering Signals from Web Sources to Predict Cyber Attacks
Palash Goyal, KSM Tozammel Hossain, Ashok Deb +5
Cyber attacks are growing in frequency and severity. Over the past year alone we have witnessed massive data breaches that stole personal information of millions of people and wide…
On the Optimality and Predictability of Cultural Markets with Social Influence
Pascal Van Hentenryck, Andres Abeliuk, Franco Berbeglia +1
Social influence is ubiquitous in cultural markets, from book recommendations in Amazon, to song popularities in iTunes and the ranking of newspaper articles in the online edition…
Measuring and Optimizing Cultural Markets
Andres Abeliuk, Gerardo Berbeglia, Manuel Cebrian +1
Social influence has been shown to create significant unpredictability in cultural markets, providing one potential explanation why experts routinely fail at predicting commercial…