# Detecting research topic trends by author-defined keyword frequency

> Research article (Information Processing & Management, 2021) · cited 92× · AI/ML

**Wikidata**: [openalex:W3151923767](https://www.wikidata.org/wiki/openalex:W3151923767)  
**Source**: https://4ort.xyz/entity/detecting-research-topic-trends-by-author-defined-keyword-frequency