# Detecting a Risk Signal in Stock Investment Through Opinion Mining and Graph-Based Semi-Supervised Learning

> Research article (IEEE Access, 2020) · cited 25× · AI/ML

**Wikidata**: [openalex:W3081953587](https://www.wikidata.org/wiki/openalex:W3081953587)  
**Source**: https://4ort.xyz/entity/detecting-a-risk-signal-in-stock-investment-through-opinion-mining-and-graph-based-semi-supervised-learning