# Sources of inventive novelty: two patent classification schemas, same story

> Research article (Scientometrics, 2019) · cited 23× · AI/ML

**Wikidata**: [openalex:W2944581955](https://www.wikidata.org/wiki/openalex:W2944581955)  
**Source**: https://4ort.xyz/entity/sources-of-inventive-novelty-two-patent-classification-schemas-same-story