# Big data directed acyclic graph model for real-time COVID-19 twitter stream detection

> Research article (Pattern Recognition, 2021) · cited 25× · AI/ML

**Wikidata**: [openalex:W3209798517](https://www.wikidata.org/wiki/openalex:W3209798517)  
**Source**: https://4ort.xyz/entity/big-data-directed-acyclic-graph-model-for-real-time-covid-19-twitter-stream-detection