# Handling negative samples problems in span-based nested named entity recognition

> Research article (Neurocomputing, 2022) · cited 22× · AI/ML

**Wikidata**: [openalex:W4286267511](https://www.wikidata.org/wiki/openalex:W4286267511)  
**Source**: https://4ort.xyz/entity/handling-negative-samples-problems-in-span-based-nested-named-entity-recognition