# COVID-19 Vaccine Tweets After Vaccine Rollout: Sentiment–Based Topic Modeling

> Research article (Journal of Medical Internet Research, 2021) · cited 50× · AI/ML

**Wikidata**: [openalex:W3212025615](https://www.wikidata.org/wiki/openalex:W3212025615)  
**Source**: https://4ort.xyz/entity/covid-19-vaccine-tweets-after-vaccine-rollout-sentimentbased-topic-modeling