With the rise of new technologies, citizens can contribute to scientific research via Web 2.0
applications for collecting and distributing geospatial data. Integrating local knowledge …

In the past few years, crowdsourced geographic information (also called volunteered
geographic information) has emerged as a promising information source for improving …

Social media data are increasingly being used for enhancing situational awareness and
assisting disaster management. We analyzed the wildfire-related Twitter activities in terms of …

This paper investigates research using VGI and geo-social media in the disaster
management context. Relying on the method of systematic mapping, it develops a …

In the past few years, volunteers have produced geographic information of different kinds,
using a variety of different crowdsourcing platforms, within a broad range of contexts …

ABSTRACT A set of 12,436 papers published in 20 GIScience journals in the period 2000–
2014 were analysed to extract publication patterns and trends. This comprehensive …

Studies based on information acquired by participative geographic approaches have sought
to cope with emergency situations and disasters such as floods. However, the impact of …

Increasingly, social media data are linked to locations through embedded GPS coordinates.
Many local governments are showing interest in the potential to repurpose these firsthand …

Twitter and related social media feeds have become valuable data sources to many fields of
research. Numerous researchers have thereby used social media posts for spatial analysis …

Disaster managers depend on timely and accurate information for task-related decision-
making in highly complex and dynamic environments. New data sources, like online social …