Design a Real-time AI Content Moderation System — System Design Interview Practice
Design an AI-powered content moderation system that detects harmful content across text, images, and video in real-time, supports multiple languages, and provides human-in-the-loop review workflows. Work through the requirements, architecture trade-offs, and an interactive design review.
Requirements and concepts to consider
- Classify text for toxicity, hate speech, and spamRequirement
- Detect NSFW and violent imageryRequirement
- Process video frames for harmful contentRequirement
- Support 50+ languagesRequirement
- Implement human review queues for edge casesRequirement
- Provide appeal and feedback mechanismsRequirement
- Generate moderation audit trailsRequirement
- Update detection models without downtimeRequirement
- aiConcept to explore
- content moderationConcept to explore
- nlpConcept to explore
- computer visionConcept to explore
- safetyConcept to explore
- real timeConcept to explore