# Freeform digital ink annotations in electronic documents: A systematic mapping study

> Research article (Computers & Graphics, 2015) · cited 17× · AI/ML

**Wikidata**: [openalex:W2133788799](https://www.wikidata.org/wiki/openalex:W2133788799)  
**Source**: https://4ort.xyz/entity/freeform-digital-ink-annotations-in-electronic-documents-a-systematic-mapping-study