Social data in digital form—including user-generated content, expressed or implicit relations
between people, and behavioral traces—are at the core of popular applications and …

A large proportion of dryland trees and shrubs (hereafter referred to collectively as trees)
grow in isolation, without canopy closure. These non-forest trees have a crucial role in …

Urban computing is an emerging area of investigation in which researchers study cities
using digital data. Location-Based Social Networks (LBSNs) generate one specific type of …

The use of social media to communicate timely information during crisis situations has
become a common practice in recent years. In particular, the one-to-many nature of Twitter …

In just under seven years, Twitter has grown to count nearly three percent of the entire global
population among its active users who have sent more than 170 billion 140–character …

Event detection from tweets is an important task to understand the current events/topics
attracting a large number of common users. However, the unique characteristics of tweets …

Large scale analysis and statistics of socio-technical systems that just a few short years ago
would have required the use of consistent economic and human resources can nowadays …

Social media is playing a growing role in disaster management and response. Expectations
are that such media can be critical for sending alerts, identifying critical needs, and focusing …

Geotagged tweets, Foursquare check-ins and other forms of volunteered geographic
information (VGI) play a critical role in numerous studies and a large range of intelligent …

Multilingual posts can potentially affect the outcomes of content analysis on microblog
platforms. To this end, language identification can provide a monolingual set of content for …