Posts tagged with security

Instagram EngineeringJan 25, 2020

Five things I learned about working on content quality at Instagram

Why it matters: Managing content quality at scale requires balancing real-time signals with static analysis. This approach shows how to operationalize quality metrics and use multi-stage ML pipelines to protect users while maintaining high-performance recommendation systems.

Combined manual labeling with classifier scores to create calibrated metrics for statistically significant A/B testing results.
Developed 'read-path' models that utilize real-time engagement signals like comments and likes to improve detection precision.
Maintained 'write-path' filters at the sourcing level to handle low-prevalence violations and ensure a baseline of benign content.
Implemented a multi-stage pipeline that balances high-precision sourcing filters with fine-tuned ranking models.
Established continuous model performance tracking to identify edge cases and maintain user safety standards.

#mlp #data #security

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