+1Design a harmful content detection systemML designDetect harmful posts (hate, violence, self-harm, spam) across text and images, with high recall on severe harms and a path to human review.
Last asked Sep 2026
#trust and safety
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Design an image copyright-violation detection systemML designDesign a system that detects when users upload images that infringe someone's copyright on a large social platform. Discuss where the reference set of protected images comes from…Last asked Feb 2026- Design a content moderation systemSystem designScreen user posts, images and videos for policy violations with ML classifiers and human reviewers, acting within seconds on the worst content.Last asked Feb 2026
Design a logo infringement detection systemML designDesign a machine-learning system that finds listings or images that misuse a brand's logo. Cover how brands register their logos, how you detect and match logos in new images at…Last asked Nov 2025- Design an email spam detection systemML designDesign a system that flags spam email before it reaches the inbox. Cover the features (content, sender, links, behavior), the model, labels from user reports, adversaries who…Last asked Aug 2025