# Who, Where, When, and What

> Research article (ACM Transactions on Information Systems, 2015) · cited 82× · AI/ML

**Wikidata**: [openalex:W2020669710](https://www.wikidata.org/wiki/openalex:W2020669710)  
**Source**: https://4ort.xyz/entity/who-where-when-and-what