# An Unsupervised Approach for Detecting Group Shilling Attacks in Recommender Systems Based on Topological Potential and Group Behaviour Features

> Research article (Security and Communication Networks, 2021) · cited 12× · AI/ML

**Wikidata**: [openalex:W3204049561](https://www.wikidata.org/wiki/openalex:W3204049561)  
**Source**: https://4ort.xyz/entity/an-unsupervised-approach-for-detecting-group-shilling-attacks-in-recommender-systems-based-on-topological-potential-and-