# ELII: A novel inverted index for fast temporal query, with application to a large Covid-19 EHR dataset

> Research article (Journal of Biomedical Informatics, 2021) · cited 17× · AI/ML

**Wikidata**: [openalex:W3149609202](https://www.wikidata.org/wiki/openalex:W3149609202)  
**Source**: https://4ort.xyz/entity/elii-a-novel-inverted-index-for-fast-temporal-query-with-application-to-a-large-covid-19-ehr-dataset