Besides attracting a billion dollar economy, Bitcoin revolutionized the field of digital
currencies and influenced many adjacent areas. This also induced significant scientific …

The term “network interventions” describes the process of using social network data to
accelerate behavior change or improve organizational performance. In this Review, four …

Social media is an invaluable source of time-critical information during a crisis. However,
emergency response and humanitarian relief organizations that would like to use this …

The rapid growth of the Web in the past two decades has made it the largest publicly
accessible data source in the world. Web mining aims to discover useful information or …

This paper introduces flash organizations: crowds structured like organizations to achieve
complex and open-ended goals. Microtask workflows, the dominant crowdsourcing …

Large-scale protests occur frequently and sometimes overthrow entire political systems.
Meanwhile, online social networks have become an increasingly common component of …

We study the problem of large-scale social identity linkage across different social media
platforms, which is of critical importance to business intelligence by gaining from social data …

Many large decentralized systems rely on information propagation to ensure their proper
function. We examine a common scenario in which only participants that are aware of the …

We introduce the Million Song Dataset Challenge: a large-scale, personalized music
recommendation challenge, where the goal is to predict the songs that a user will listen to …

Information flow during catastrophic events is a critical aspect of disaster management.
Modern communication platforms, in particular online social networks, provide an …