# Optimised probabilistic active learning (OPAL)

> Research article (Machine Learning, 2015) · cited 44× · AI/ML

**Wikidata**: [openalex:W586780102](https://www.wikidata.org/wiki/openalex:W586780102)  
**Source**: https://4ort.xyz/entity/optimised-probabilistic-active-learning-opal