# Structure of 311 service requests as a signature of urban location

> Research article (PLoS ONE, 2017) · cited 61× · AI/ML

**Wikidata**: [openalex:W2549106984](https://www.wikidata.org/wiki/openalex:W2549106984)  
**Source**: https://4ort.xyz/entity/structure-of-311-service-requests-as-a-signature-of-urban-location