# DDLVis: Real-time Visual Query of Spatiotemporal Data Distribution via Density Dictionary Learning

> Research article (IEEE Transactions on Visualization and Computer Graphics, 2021) · cited 17× · AI/ML

**Wikidata**: [openalex:W3204044065](https://www.wikidata.org/wiki/openalex:W3204044065)  
**Source**: https://4ort.xyz/entity/ddlvis-real-time-visual-query-of-spatiotemporal-data-distribution-via-density-dictionary-learning