scholarly journals First three months of COVID-19 in Croatia, Slovenia, Serbia and Federation of Bosnia and Herzegovina

2020 ◽  
Vol 40 (2) ◽  
pp. 43-49
Author(s):  
Nika Lazić ◽  
Vanja Lazić ◽  
Branko Kolarić

The uncertainty surrounding the emerging coronavirus threat prompted countries to adopt various disease control measures (DCMs). This study compares the DCMs and the epicurves in Croatia, Slovenia, Federation of Bosnia and Herzegovina and Serbia in the first three months of COVID-19 epidemic. The open-source data of COVID-19 confirmed case and the DCMs were analyzed. For comparison between countries, seven benchmark DCMs were used: closure of educational institutions, complete lockdown, borders closure, public transport ban, restriction of movement within the country, easing of the lockdown measure, and the borders re-opening. The time passed from the first detected and confirmed COVID-19 case and each DCM was recorded as well as the time between the epidemic declaration and each DCM. The results describe comparatively the time flow of the DCMs across the countries and relative to the number of confirmed cases.

2018 ◽  
Vol 80 (6) ◽  
pp. 457-461
Author(s):  
Carlos A. Morales-Ramirez ◽  
Pearlyn Y. Pang

Open-source data are information provided free online. It is gaining popularity in science research, especially for modeling species distribution. MaxEnt is an open-source software that models using presence-only data and environmental variables. These variables can also be found online and are generally free. Using all of these open-source data and tools makes species distribution modeling (SDM) more accessible. With the rapid changes our planet is undergoing, SDM helps understand future habitat suitability for species. Due to increasing interest in biogeographic research, SDM has increased for marine species, which were previously not commonly found in this modeling. Here we provide examples of where to obtain the data and how the modeling can be performed and taught.


2018 ◽  
Vol 231 ◽  
pp. 1100-1108 ◽  
Author(s):  
Alaa Alhamwi ◽  
Wided Medjroubi ◽  
Thomas Vogt ◽  
Carsten Agert

Aerospace ◽  
2020 ◽  
Vol 7 (11) ◽  
pp. 158
Author(s):  
Andrew Weinert

As unmanned aerial systems (UASs) increasingly integrate into the US national airspace system, there is an increasing need to characterize how commercial and recreational UASs may encounter each other. To inform the development and evaluation of safety critical technologies, we demonstrate a methodology to analytically calculate all potential relative geometries between different UAS operations performing inspection missions. This method is based on a previously demonstrated technique that leverages open source geospatial information to generate representative unmanned aircraft trajectories. Using open source data and parallel processing techniques, we performed trillions of calculations to estimate the relative horizontal distance between geospatial points across sixteen locations.


Author(s):  
Philippe Fournier-Viger ◽  
Jerry Chun-Wei Lin ◽  
Antonio Gomariz ◽  
Ted Gueniche ◽  
Azadeh Soltani ◽  
...  

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