1. Porter-O’Donnell, C.: Beyond the yellow highlighter: teaching annotation skills to improve reading comprehension. English J. 93, 82–89 (2004). https://doi.org/10.2307/4128941
2. Unsworth, J.: Scholarly primitives: what methods do humanities researchers have in common, and how might our tools reflect this. In: Symposium on Humanities Computing: Formal Methods, Experimental Practice. King's College, London (2000)
3. Yang, J., Zhang, Y., Li, L., Li, X.: YEDDA: a lightweight collaborative text span annotation tool. arXiv:1711.03759 [cs] (2018)
4. Yimam, S.M., Gurevych, I., Eckart de Castilho, R., Biemann, C.: WebAnno: a flexible, web-based and visually supported system for distributed annotations. In: Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics: System Demonstrations. pp. 1–6. Association for Computational Linguistics, Sofia, Bulgaria (2013)
5. Stenetorp, P., Pyysalo, S., Topić, G., Ohta, T., Ananiadou, S., Tsujii, J.: BRAT: a web-based tool for NLP-assisted text annotation. In: Proceedings of the Demonstrations at the 13th Conference of the European Chapter of the Association for Computational Linguistics, pp. 102–107. Association for Computational Linguistics, Avignon, France (2012)