# An Interval Estimation Method of Patent Keyword Data for Sustainable Technology Forecasting

> Research article (Sustainability, 2017) · cited 14× · AI/ML

**Wikidata**: [openalex:W2767090479](https://www.wikidata.org/wiki/openalex:W2767090479)  
**Source**: https://4ort.xyz/entity/an-interval-estimation-method-of-patent-keyword-data-for-sustainable-technology-forecasting