# Detect fake-review rings through review similarity

Judges: Pair of reviews on the same seller from different accounts. Questions: noul:same\_author\_style. Action: Add edge in graph; large clusters flagged for trust team.

Grade: S — Top tier. Meets A, and the payoff is major with high confidence.. Score: 5.24.

Vertical: E-commerce & retail.

Function: Local & reputation.

Status: Idea.

Volume: routine.

Value: major.

Risk: moderate.

Evidence: null.

Flags: None.

- [Vertical](/verticals/ecommerce_retail/)
- [Function](/functions/local_reputation/)