A public safety event is a danger and urgent event that need early detection, quick response,
and accuracy recover. The efficient method for responding to a happening public safety …

Crowdsourcing is a process of acquisition, integration, and analysis of big and
heterogeneous data generated by a diversity of sources in urban spaces, such as sensors …

With the development of Web 2.0, ubiquitous computing, and corresponding technologies,
social media has the ability to provide the concepts of information contribution, diffusion, and …

Social media has become an integral part of our daily lives. During time-critical events, the
public shares a variety of posts on social media including reports for resource needs …

Emergency events need early detection, quick response, and accuracy recover. In the era of
big data, the use of social media platforms is being popularized. Social media users can be …

Big data is an emerging paradigm applied to datasets whose size is beyond the ability of
commonly used software tools to capture, manage, and process the data within a tolerable …

Nowadays, the probability of public safety events around the world increase quickly.
Recently, with the development of mobile network and intelligent mobile phones, social …

Crowdsourcing is a newly emerging service platform and business model in the Internet.
Analysis and description about urban emergency events, eg, fires, storms and traffic jams …

Disasters and crises are inevitable in this world. In the aftermath of a disaster, a society's
overall growth, resources, and economy are greatly affected as they cause damages from …

Video surveillance system has become a critical part in the security and protection system of
modem cities, since smart monitoring cameras equipped with intelligent video analytics …