activity
20132020
most citedOpinion Maximization in Social Networks

39 citations · 39 across the 1 of their papers we have counts for

collaborators

7 papers

cs.SI2020

Fairness-Aware PageRank

Sotiris Tsioutsiouliklis, Evaggelia Pitoura, Panayiotis Tsaparas +2

Algorithmic fairness has attracted significant attention in the past years. Surprisingly, there is little work on fairness in networks. In this work, we consider fairness for link…

cs.DB2020

Flow Computation in Temporal Interaction Networks

Chrysanthi Kosyfaki, Nikos Mamoulis, Evaggelia Pitoura +1

Temporal interaction networks capture the history of activities between entities along a timeline. At each interaction, some quantity of data (money, information, kbytes, etc.) flo…

cs.DS2020

Forming Compatible Teams in Signed Networks

Ioannis Kouvatis, Konstantinos Semertzidis, Maria Zerva +2

The problem of team formation in a social network asks for a set of individuals who not only have the required skills to perform a task but who can also communicate effectively wit…

cs.SI2019

Opinion Dynamics with Backfire Effect and Biased Assimilation

Xi Chen, Panayiotis Tsaparas, Jefrey Lijffijt +1

The democratization of AI tools for content generation, combined with unrestricted access to mass media for all (e.g. through microblogging and social media), makes it increasingly…

cs.IR2018

Bias Disparity in Recommendation Systems

Virginia Tsintzou, Evaggelia Pitoura, Panayiotis Tsaparas

Recommender systems have been applied successfully in a number of different domains, such as, entertainment, commerce, and employment. Their success lies in their ability to exploi…

cs.SI2018

Flow Motifs in Interaction Networks

Chrysanthi Kosyfaki, Nikos Mamoulis, Evaggelia Pitoura +1

Many real-world phenomena are best represented as interaction networks with dynamic structures (e.g., transaction networks, social networks, traffic networks). Interaction networks…