SUMMARY EXPLORER: Visualizing the State of the Art in Text Summarization. In Marie-Francine Moens, Xuanjing Huang, Lucia Specia, und Scott Wen-tau Yih (Hrsg.), 26th Conference on Empirical Methods in Natural Language Processing (EMNLP 2021), 185--194, Association for Computational Linguistics, November 2021. [PUMA: EXPLORER SUMMARY Summarization Text Visualizing Xack]