626 citations · 1.7k across the 31 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…
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…
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…
Learning and Forecasting Opinion Dynamics in Social Networks
Abir De, Isabel Valera, Niloy Ganguly +2
Social media and social networking sites have become a global pinboard for exposition and discussion of news, topics, and ideas, where social media users often update their opinion…
Shaping Social Activity by Incentivizing Users
Mehrdad Farajtabar, Nan Du, Manuel Gomez Rodriguez +3
Events in an online social network can be categorized roughly into endogenous events, where users just respond to the actions of their neighbors within the network, or exogenous ev…
Modeling Adoption and Usage of Competing Products
Isabel Valera, Manuel Gomez-Rodriguez
The emergence and wide-spread use of online social networks has led to a dramatic increase on the availability of social activity data. Importantly, this data can be exploited to i…