GIS

Maintaining and sustaining situational awareness is regarded as a primary task in a wildfire incident response. Clearly, due to the complexity of wildfire incidents, there are a wide range of significant hazards and risks which need to be considered. To ...

Analysis on zoonotic infectious diseases is an important issue in emergency management as it significantly supports governmental and medical decision making when a zoonotic infectious disease outbreaks. To effectively prevent and control the diseases, ...

Risk communication is an effective means of emergency management. Online information plays an important role in risk communication, especially in the Big Data Era. Citizens' psychology to send and receive information determines their online behavior ...

When a large-scale natural disaster occurs, it is necessary to quickly collect damage information so that disaster-relief operations and wide-area support in accordance with the scale of the natural disaster can be initiated. Previously, we proposed a ...

In this paper, a scenario-based case representation model in spatio- temporal framework is developed. The term 'scenario' is defined formally in this paper, and formal representation of scenario is presented. The developed case representation model is ...

Hand-foot-mouth disease (HFMD) outbreak greatly threatened Beijing city, the capital city of China, in 2008. The control prevention of HFMD has become an urgent mission for Beijing Center for Disease Control and Prevention and a focus problem for the ...

Stock market is often affected by events, especially emergencies, such as natural disasters. Stock price prediction is significant to traders in this market as the references for the future to better invest and for market supervision. In this paper, the ...

In the last decades, there have been much more public health crises in the world such as H1N1, H7N9 and Ebola out-break. In the same time, it has been proved that our world has come into the time when public crisis accidents number was growing fast. ...

Decision making after an emergency like those after a large-scale disaster (natural/man-made) is often impaired due the non-availability of crisis information from field. The key reason behind such hindrance in getting information off the field is due ...

The research of hot-spots is an important subject in public safety field as well as GIS system application, it reveals the spatial distribution law of crime and help develop targeted security preventive strategy, providing safeguards for the whole ...

Seismic disaster can cause severe damage to the urban system like infrastructure breakdown, residential isolation and corresponding secondary disasters. Dealing with the impact of these damages at the urban area requires a better understanding of city ...

This paper discussed the possibility of using trajectory data by cell phone in calibration of car-following model. Experimental study of car following behaviors is performed with both GNSS devices and cell phones used for trajectory data collection. GM ...

After a disaster, authorities need to efficiently collect and analyze data from the disaster area in order to increase their situational awareness and make informed decisions. The conventional data acquisition methods such as dispatching inspection ...

Small sized unmanned aerial vehicles (UAV) play major roles in variety of applications for aerial explorations and surveillance, transport, videography/photography and other areas. However, some other real life applications of UAV have also been ...

WeChat is a widely used online social media application in China for its popularity. Based on the analysis of big HTML5 data from WeChat, the Geography Interaction Activity Network (GIAN) is acquired first in this paper. Then we analyze the geographical ...

Cloud storage is a kind of external storage which can provide by unlimited storage space with high availability and low cost on maintenance. On the other side, the size of geospatial data is too large and is increasing dramatically which makes such data ...