Towards data warehouse from open data: Case of COVID-19

Since December 2019, we have detected the appearance of a new virus called COVID-19, which has spread, throughout world. Everyone today, given major importance to this virus. Although little knowledge disease, doctors and specialists make decisions every day that significant impact on public health. There are many various open data in context, scattered distributed. For this, need capitalize all information warehouse. that, paper, propose an approach create warehouse from specifically COVID-19 data. We start with identification relevant sources Then, collect pertinent After identify multidimensional concepts used design schema related Finally, transform our logical model NoSQL Talend Open Studio for Big Data (TOS_BD).