How to notify big data quarantine?

We will send a warm reminder to remind you that you may have had contact with positive cases in COVID-19, or passed through high-risk areas in China. You need to take the initiative to declare to your community and avoid taking public transport. If you have fever, cough and other suspected symptoms, you need to contact the local disease control department.

"Big data" is an information asset, which needs a new processing mode to have stronger decision-making, insight and process optimization capabilities to adapt to mass, high growth rate and diversification.