# Data Envelopment Analysis models with imperfect knowledge of input and output values: An application to Portuguese public hospitals

> Research article (Expert Systems with Applications, 2023) · cited 29× · AI/ML

**Wikidata**: [openalex:W4379052712](https://www.wikidata.org/wiki/openalex:W4379052712)  
**Source**: https://4ort.xyz/entity/data-envelopment-analysis-models-with-imperfect-knowledge-of-input-and-output-values-an-application-to-portuguese-public