382 citations · 1.2k across the 41 of their papers we have counts for
6 papers · 1 filter
Uncovering the Dynamics of Crowdlearning and the Value of Knowledge
Utkarsh Upadhyay, Isabel Valera, Manuel Gomez-Rodriguez
Learning from the crowd has become increasingly popular in the Web and social media. There is a wide variety of crowdlearning sites in which, on the one hand, users learn from the…
Modeling the Dynamics of Online Learning Activity
Charalampos Mavroforakis, Isabel Valera, Manuel Gomez Rodriguez
People are increasingly relying on the Web and social media to find solutions to their problems in a wide range of domains. In this online setting, closely related problems often l…
RedQueen: An Online Algorithm for Smart Broadcasting in Social Networks
Ali Zarezade, Utkarsh Upadhyay, Hamid Rabiee +1
Users in social networks whose posts stay at the top of their followers'{} feeds the longest time are more likely to be noticed. Can we design an online algorithm to help them deci…
Distilling Information Reliability and Source Trustworthiness from Digital Traces
Behzad Tabibian, Isabel Valera, Mehrdad Farajtabar +3
Online knowledge repositories typically rely on their users or dedicated editors to evaluate the reliability of their content. These evaluations can be viewed as noisy measurements…
Smart broadcasting: Do you want to be seen?
Mohammad Reza Karimi, Erfan Tavakoli, Mehrdad Farajtabar +2
Many users in online social networks are constantly trying to gain attention from their followers by broadcasting posts to them. These broadcasters are likely to gain greater atten…
On the Efficiency of the Information Networks in Social Media
Mahmoudreza Babaei, Przemyslaw A. Grabowicz, Isabel Valera +2
Social media sites are information marketplaces, where users produce and consume a wide variety of information and ideas. In these sites, users typically choose their information s…