Big data is increasingly seen as a way of providing a more 'scientific'approach to the
understanding and management of cities. But most geographic analyses of geotagged …

This book has emerged through years of discussions, comments and questions we have
received about building agentbased models and integrating geographical information …

We introduce an analytical framework for analyzing tweets to (1) identify and categorize fine-
grained details about a disaster such as affected individuals, damaged infrastructure and …

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 …

Existing urban boundaries are usually defined by government agencies for administrative,
economic, and political purposes. However, it is not clear whether the boundaries truly …

Rapid and accurate disaster impact assessment is crucial for disaster emergency decision-
making. The perception and behavioral characteristics of people derived from crowdsourced …

Location spoofing refers to the act of intentionally falsifying one's actual locational
information. The proliferation of location spoofing in recent years has stirred debate about …

Consumers' purchasing choices are no longer based only on economic factors but also on
ethical reasons related to environmental sustainability and food safety. However, nutritional …

ABSTRACT While exciting, Big Data (particularly geotagged social media data) has proven
difficult for many urbanists and social science researchers to use. As a partial solution, we …

With the advent of 'big data'there is an increased interest in using social media to describe
city dynamics. This paper employs geo-located social media data to identify 'digital …