# A Survey on Active Learning: State-of-the-Art, Practical Challenges and Research Directions

> Research article (Mathematics, 2023) · cited 146× · AI/ML

**Wikidata**: [openalex:W4319296823](https://www.wikidata.org/wiki/openalex:W4319296823)  
**Source**: https://4ort.xyz/entity/a-survey-on-active-learning-state-of-the-art-practical-challenges-and-research-directions