# A non-factoid question answering system for prior art search

> Research article (Expert Systems with Applications, 2021) · cited 13× · AI/ML

**Wikidata**: [openalex:W3136711862](https://www.wikidata.org/wiki/openalex:W3136711862)  
**Source**: https://4ort.xyz/entity/a-non-factoid-question-answering-system-for-prior-art-search