# The Anomaly Detector, Semi-supervised Classifier, and Supervised Classifier Based on K-Nearest Neighbors in Geochemical Anomaly Detection: A Comparative Study

> Research article (Mathematical Geosciences, 2023) · cited 12× · AI/ML

**Wikidata**: [openalex:W4360985171](https://www.wikidata.org/wiki/openalex:W4360985171)  
**Source**: https://4ort.xyz/entity/the-anomaly-detector-semi-supervised-classifier-and-supervised-classifier-based-on-k-nearest-neighbors-in-geochemical-an