This report synthesises findings from 14 peer-reviewed papers addressing the following research question: Does the simplified noise injection approach in graph contrastive learning maintain ranking accuracy when scaled to extreme sparsity levels compared to heavy augmentation techniques in. Deep convolutional neural networks have performed remarkably well on many Computer Vision tasks. However, these networks are heavily reliant on big data to avoid overfitting. 9 claims were extracted from source literature; 9 were independently verified against retrieved documents. An automated multi-reviewer quality assessment produced a score of 8.8/10. This report is a machine-generated literature synthesis and does not constitute original research.Research goal: Does the simplified noise injection approach in graph contrastive learning maintain ranking accuracy when scaled to extreme sparsity levels compared to heavy augmentation techniques in billion-parameter recommendation systems?Autonomous literature synthesis. Automated review score: 8.8/10. Full text and citation available at Assignee Research.