# Technology Hotspot Tracking: Topic Discovery and Evolution of China’s Blockchain Patents Based on a Dynamic LDA Model

> Research article (Symmetry, 2021) · cited 27× · AI/ML

**Wikidata**: [openalex:W3133796486](https://www.wikidata.org/wiki/openalex:W3133796486)  
**Source**: https://4ort.xyz/entity/technology-hotspot-tracking-topic-discovery-and-evolution-of-chinas-blockchain-patents-based-on-a-dynamic-lda-model