# RETRACTED ARTICLE: Abnormal event detection with semi-supervised sparse topic model

> Research article (Neural Computing and Applications, 2018) · cited 23× · AI/ML

**Wikidata**: [openalex:W2790374669](https://www.wikidata.org/wiki/openalex:W2790374669)  
**Source**: https://4ort.xyz/entity/retracted-article-abnormal-event-detection-with-semi-supervised-sparse-topic-model