13 citations · 32 across the 19 of their papers we have counts for
8 papers · 1 filter
Can social influence be exploited to compromise security: An online experimental evaluation
Soumajyoti Sarkar, Paulo Shakarian, Mika Armenta +2
Social media has enabled users and organizations to obtain information about technology usage like software usage and even security feature usage. However, on the dark side it has…
Mining user interaction patterns in the darkweb to predict enterprise cyber incidents
Soumajyoti Sarkar, Mohammad Almukaynizi, Jana Shakarian +1
With rise in security breaches over the past few years, there has been an increasing need to mine insights from social media platforms to raise alerts of possible attacks in an att…
Use of a controlled experiment and computational models to measure the impact of sequential peer exposures on decision making
Soumajyoti Sarkar, Ashkan Aleali, Paulo Shakarian +3
It is widely believed that one's peers influence product adoption behaviors. This relationship has been linked to the number of signals a decision-maker receives in a social networ…
Understanding Information Flow in Cascades Using Network Motifs
Soumajyoti Sarkar, Hamidreza Alvari, Paulo Shakarian
A growing set of applications consider the process of network formation by using subgraphs as a tool for generating the network topology. One of the pressing research challenges is…
Less is More: Semi-Supervised Causal Inference for Detecting Pathogenic Users in Social Media
Hamidreza Alvari, Elham Shaabani, Soumajyoti Sarkar +2
Recent years have witnessed a surge of manipulation of public opinion and political events by malicious social media actors. These users are referred to as "Pathogenic Social Media…
Using network motifs to characterize temporal network evolution leading to diffusion inhibition
Soumajyoti Sarkar, Ruocheng Guo, Paulo Shakarian
Network motifs are patterns of over-represented node interactions in a network which have been previously used as building blocks to understand various aspects of the social networ…
Detection of Violent Extremists in Social Media
Hamidreza Alvari, Soumajyoti Sarkar, Paulo Shakarian
The ease of use of the Internet has enabled violent extremists such as the Islamic State of Iraq and Syria (ISIS) to easily reach large audience, build personal relationships and i…
Leveraging Motifs to Model the Temporal Dynamics of Diffusion Networks
Soumajyoti Sarkar, Hamidreza Alvari, Paulo Shakarian
Information diffusion mechanisms based on social influence models are mainly studied using likelihood of adoption when active neighbors expose a user to a message. The problem aris…