Social media, particularly Twitter, is increasingly used to improve resilience during extreme
weather events/emergency management situations, including floods: by communicating …

The occurrence of disasters such as extreme flooding in urban environments has severe
consequences, not only on the human population but also on critical infrastructures such as …

With the rapid development of the Internet of Things (IoT) and Big Data infrastructure,
crowdsourcing techniques have emerged to facilitate data processing and problem solving …

Over the past two decades, the development of a new set of technologies, devices and
applications has supported the emergence of a new infocommunicational landscape in …

Floods are a source of anxiety for the people living in the city of São Paulo, Brazil. Every
year, the city suffers a financial loss of more than US $35 million caused by damage to …

Abstract Online Social Networks (OSNs) have been increasingly used as a source of
information for different applications, ranging from business, politics, and public services …

Crowd sensing data (also known as crowdsourcing) are of great significance to support
flood risk management. With the growing volume of available data in the past few years …

Social networks are a valuable source of information to support the detection and monitoring
of targeted events, such as rainfall episodes. Since the emergence of Web 2.0, several …

The increasing number of sensors used in diverse applications has provided a massive
number of continuous, unbounded, rapid data and requires the management of distinct …

The analysis of potentially large volumes of crowd-sourced and social media data is central
to meeting the requirements of the ATHENA project. Here, we discuss the various stages of …