Catching Dark Signals in Algorithms: Unveiling Audiovisual and Thematic Markers of Unsafe Content Recommended for Children and Teenagers. - Haoning Xue; Brian Nishimine; Martin Hilbert; Drew P. Cingel; Samantha L. Vigil; Jane Shawcroft; Arti Thakur; Zubair Shafiq; Jingwen Zhang (CoRR, 2025)