RealTime QA: What extquotesingle s the Answer Right Now? - Kasai, Jungo; Sakaguchi, Keisuke; takahashi, yoichi; Le Bras, Ronan; Asai, Akari; Yu, Xinyan; Radev, Dragomir; Smith, Noah; Choi, Yejin; Inui, Kentaro (Advances in Neural Information Processing Systems, 2023)