# Fusion of hard and soft information in nonparametric density estimation

> Research article (European Journal of Operational Research, 2015) · cited 23× · AI/ML

**Wikidata**: [openalex:W576968877](https://www.wikidata.org/wiki/openalex:W576968877)  
**Source**: https://4ort.xyz/entity/fusion-of-hard-and-soft-information-in-nonparametric-density-estimation