# Multi-level out-of-vocabulary words handling approach

> Research article (Knowledge-Based Systems, 2022) · cited 14× · AI/ML

**Wikidata**: [openalex:W4280599861](https://www.wikidata.org/wiki/openalex:W4280599861)  
**Source**: https://4ort.xyz/entity/multi-level-out-of-vocabulary-words-handling-approach