# An intelligent early warning system of analyzing Twitter data using machine learning on COVID-19 surveillance in the US

> Research article (Expert Systems with Applications, 2022) · cited 55× · AI/ML

**Wikidata**: [openalex:W4220660761](https://www.wikidata.org/wiki/openalex:W4220660761)  
**Source**: https://4ort.xyz/entity/an-intelligent-early-warning-system-of-analyzing-twitter-data-using-machine-learning-on-covid-19-surveillance-in-the-us