# Estimation of cardinality constrained portfolio efficiency via segmented DEA

> Research article (Omega, 2017) · cited 27× · AI/ML

**Wikidata**: [openalex:W2614871094](https://www.wikidata.org/wiki/openalex:W2614871094)  
**Source**: https://4ort.xyz/entity/estimation-of-cardinality-constrained-portfolio-efficiency-via-segmented-dea