# Tracking knowledge proficiency of students with calibrated Q-matrix

> Research article (Expert Systems with Applications, 2021) · cited 39× · AI/ML

**Wikidata**: [openalex:W4200554615](https://www.wikidata.org/wiki/openalex:W4200554615)  
**Source**: https://4ort.xyz/entity/tracking-knowledge-proficiency-of-students-with-calibrated-q-matrix