Publications

Johannes Knittel, Steffen Koch, and Thomas Ertl. Efficient Sparse Spherical K-Means for Document Clustering. Proceedings of the 21st ACM Symposium on Document Engineering, Association for Computing Machinery, New York, NY, USA, 2021. [PUMA: analysis clustering document k-means large-scale vis(us) vis-gis visus:ertl visus:knittejs visus:kochsn] URL

Johannes Knittel, Steffen Koch, Tan Tang, Wei Chen, Yingcai Wu, Shixia Liu, and Thomas Ertl. Real-Time Visual Analysis of High-Volume Social Media Posts. IEEE Transactions on Visualization & Computer Graphics, (28)01:879-889, IEEE Computer Society, Los Alamitos, CA, USA, January 2022. [PUMA: analytics real-time streaming twitter vis-gis visualization visus:ertl visus:knittejs visus:kochsn]

Johannes Knittel, Steffen Koch, and Thomas Ertl. ELSKE: Efficient Large-Scale Keyphrase Extraction. arXiv preprint arXiv:2102.05700, 2021. [PUMA: vis(us) vis-gis visus:ertl visus:knittejs visus:kochsn]

Johannes Knittel, Andres Lalama, Steffen Koch, and Thomas Ertl. Visual Neural Decomposition to Explain Multivariate Data Sets. IEEE Transactions on Visualization and Computer Graphics, (27)2:1374-1384, 2021. [PUMA: vis(us) vis-gis visus:ertl visus:knittejs visus:kochsn visus:lalamaas]

Tan Tang, Renzhong Li, Xinke Wu, Shuhan Liu, Johannes Knittel, Steffen Koch, Lingyun Yu, Peiran Ren, Thomas Ertl, and Yingcai Wu. PlotThread: Creating Expressive Storyline Visualizations using Reinforcement Learning. IEEE Transactions on Visualization and Computer Graphics, (27)2:294--303, IEEE, 2020. [PUMA: myown vis(us) vis-gis visus:ertl visus:knittejs visus:kochsn]

Johannes Knittel, Steffen Koch, and Thomas Ertl. PyramidTags: Context-, Time- and Word Order-Aware Tag Maps to Explore Large Document Collections. IEEE Transactions on Visualization and Computer Graphics, 2020. [PUMA: myown vis(us) vis-gis visus visus:ertl visus:knittejs visus:kochsn] URL

Johannes Knittel, Steffen Koch, and Thomas Ertl. Pattern-Based Semantic and Temporal Exploration of Social Media Messages. 2019 IEEE Conference on Visual Analytics Science and Technology (VAST), 134-135, 2019. [PUMA: myown vis(us) vis-gis visus visus:ertl visus:knittejs visus:kochsn]

Johannes Knittel, Steffen Koch, and Thomas Ertl. Interactive Hierarchical Quote Extraction for Content Insights. In João Madeiras Pereira, and Renata Georgia Raidou (Eds.), EuroVis 2019 - Posters, The Eurographics Association, 2019. [PUMA: myown vis(us) vis-gis visus visus:ertl visus:knittejs visus:kochsn] URL

Johannes Knittel, Steffen Koch, and Thomas Ertl. Highlighting Text Regions of Interest with Character-Based LSTM Recurrent Networks. Postersession at the IEEE Conference on Visualization, 2018. [PUMA: myown vis(us) vis-gis visus visus:ertl visus:knittejs visus:kochsn]

Johannes Knittel, Alireza Sahami Shirazi, Niels Henze, and Albrecht Schmidt. Utilizing contextual information for mobile communication. In Wendy E. Mackay, Stephen A. Brewster, and Susanne Bødker (Eds.), 2013 ACM SIGCHI Conference on Human Factors in Computing Systems, CHI '13, Paris, France, April 27 - May 2, 2013, Extended Abstracts, 1371--1376, ACM, 2013. [PUMA: myown vis-mci visus visus:knittejs] URL

Johannes Knittel, and Tilman Dingler. Mining Subtitles for Real-Time Content Generation for Second-Screen Applications.. In Patrick Whitney, Janet Murray, Santosh Basapur, Noor Ali Hasan, and Jochen Huber (Eds.), TVX, 93-103, ACM, 2016. [PUMA: 2016 dblp myown vis-mci visus visus:knittejs] URL

Stefan Schneegaß, Johannes Knittel, Benjamin Rau, and Yomna Abdelrahman. Exploring Exhibits: Interactive Methods for Enriching Cultural Heritage Items. Postersession at the 8th International Conference on Tangible, Embedded and Embodied Interaction, 2014. [PUMA: 2014 from:mueller mesch myown vis(us) vis-mci visus:abdelrya visus:knittejs visus:schneesn]