# Construction and validation of an ontology-based technology function matrix: Technology mining of cyber physical system patent portfolios

> Research article (World Patent Information, 2018) · cited 22× · AI/ML

**Wikidata**: [openalex:W2888110021](https://www.wikidata.org/wiki/openalex:W2888110021)  
**Source**: https://4ort.xyz/entity/construction-and-validation-of-an-ontology-based-technology-function-matrix-technology-mining-of-cyber-physical-system-p