STAGE: A Benchmark for Knowledge Graph Construction, Question Answering, and In-Script Role-Playing over Movie Screenplays. - Qiuyu Tian; Yiding Li; Fengyi Chen; Zequn Liu; Youyong Kong; Fan Guo; Yuyao Li; Jinjing Shen; Zhijing Xie; Yiyun Luo; Xin Zhang (CoRR, 2026)