@inproceedings { SpSeKeEl19, title = {VIANA: Visual Interactive Annotation of Argumentation}, booktitle = {Proceedings of IEEE Conference on Visual Analytics Science and Technology (VAST)}, pages = {12}, year = {2019}, author = {Sperrle, Fabian and Sevastjanova, Rita and Kehlbeck, Rebecca and El-Assady, Mennatallah} }