Chair for
Data Analysis and Visualization

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Christian Rohrdantz

Member

E-Mail: Christian.Rohrdantz(at)uni-konstanz.de
Phone: (+49) 07531 88-3768
Fax: (+49) 07531 88-3268
Room: D 334
Address: University of Konstanz
Department of Computer and Information Science
Box 78
78457 Konstanz, Germany

Publications

Publications
2015
V. Gold, M. El-Assady, T. Bögel, M. Butt, K. Holzinger, D. A. Keim and C. Rohrdantz.
Visual Linguistic Analysis of Political Discussions: Measuring Deliberative Quality.
Digital Scholarship in the Humanities, The Oxford University Press, ISSN 2055-7671. - eISSN 2055-768X(), DOI: 10.1093/llc/fqv033, 2015.
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V. Gold, C. Rohrdantz and M. El-Assady.
Exploratory Text Analysis using Lexical Episode Plots.
Eurographics Conference on Visualization (EuroVis) - Short Papers, The Eurographics Association, DOI: 10.2312/eurovisshort.20151130, 2015.
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D. Sacha, Y. Asano, C. Rohrdantz, F. Hamborg, D. A. Keim, B. Braun and M. Butt.
Self Organizing Maps for the Visual Analysis of Pitch Contours.
Proceedings of the 20th Nordic Conference of Computational Linguistics. Vilnius, Lithuania, ACL Anthology, 23():181-190, 2015.
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2014
M. Butt, T. Bögel, K. Kotcheva, C. Schätzle, C. Rohrdantz, D. Sacha, N. Dehe and D. A. Keim.
V1 in Icelandic: A multifactorical visualization of historical data.
Proceedings of the LREC 2014 Workshop VisLR: Visualization as added value in the development, use and evaluation of Language Resources, pages 33-40, 2014.
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D. Oelke, H. Strobelt, C. Rohrdantz, I. Gurevych and O. Deussen.
Comparative Exploration of Document Collections: a Visual Analytics Approach.
Computer Graphics Forum, John Wiley & Sons, Ltd, 33(3):201-210, DOI: 10.1111/cgf.12376, 2014.
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T. Mayer, B. Wälchli, M. Hund and C. Rohrdantz.
From the extraction of continuous features in parallel texts to visual analytics of heterogeneous areal-typological datasets.
Language Processing and Grammars. The role of functionally oriented computational models, John Benjamins, DOI: 10.1075/slcs.150.02may, 2014.
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C. Rohrdantz.
Visual Analytics of Change in Natural Language.
2014.
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C. Rohrdantz, F. Mansmann, C. North and D. A. Keim.
Augmenting the educational curriculum with the Visual Analytics Science and Technology Challenge: Opportunities and pitfalls.
Information Visualization, SAGE, 13(4):313-325, DOI: 10.1177/1473871613481693, 2014.
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2013
M. El-Assady, D. Hafner, M. Hund, A. Jäger, W. Jentner, C. Rohrdantz, F. Fischer, S. Simon, T. Schreck and D. A. Keim.
Visual Analytics for the Prediction of Movie Rating and Box Office Performance.
VAST Challenge 2013 - Award for Effective Analytics, 2013.
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F. Al-Masoudi, D. Seebacher, M. Schreiner, M. Stein, C. Rohrdantz, F. Fischer, S. Simon, T. Schreck and D. A. Keim.
Similarity-Driven Visual-Interactive Prediction of Movie Ratings and Box Office Results.
VAST Challenge 2013 - Award for Effective Visualization, 2013.
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A. Lamprecht, A. Hautli, C. Rohrdantz and T. Bögel.
A Visual Analytics System for Cluster Exploration.
Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics, pages 109-114, 2013.
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T. Mayer and C. Rohrdantz.
PhonMatrix: Visualizing co-occurrence constraints of sounds.
Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics, pages 73-78, 2013.
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A. Weiler, M. H. Scholl, F. Wanner and C. Rohrdantz.
Event Identification for Local Areas using Social Media Streaming Data.
Proceedings of the 3rd ACM SIGMOD Workshop on Databases and Social Networks, DBSocial 2013, New York, NY, USA, June, 23, 2013, DOI: https://dx.doi.org/10.1145/2484702.2484703, 2013.
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M. C. Hao, C. Rohrdantz, H. Janetzko, D. A. Keim, U. Dayal, L.-E. Haug, M. Hsu and F. Stoffel.
Visual sentiment analysis of customer feedback streams using geo-temporal term associations.
Information Visualization, SAGE Publications, 12(3-4):273-290, DOI: 10.1177/1473871613481691, 2013.
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D. A. Keim, M. Krstajic, C. Rohrdantz and T. Schreck.
Real-time Visual Analytics of Text Data Streams.
Computer, IEEE Computer Society, 46(7):47-55, DOI: https://dx.doi.org/10.1109/MC.2013.152, 2013.
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S. Kisilevich, C. Rohrdantz, M. Veronica and D. A. Keim.
What do you think about this photo? A novel approach to opinion and sentiment analysis of photo comments.
International Journal of Data Mining, Modelling and Management (IJDMMM) , 5(2):138-157, DOI: https://dx.doi.org/10.1504/IJDMMM.2013.053693, 2013.
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2012
J. Hildenbrand, D.-I. Paval, P. Thapa, C. Rohrdantz, F. Mansmann, E. Bertini and T. Schreck.
VAST 2012 Mini-Challenge 2: Chart- and Matrix-based Approach to Network Operations Forensics.
Proc. IEEE Symposium on Visual Analytics Science and Technology, pages 287-288, DOI: https://dx.doi.org/10.1109/VAST.2012.6400513, 2012.
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C. Rohrdantz, M. Krstajic, M. El-Assady and D. A. Keim.
What’s Going On? How Twitter and Online News Can Work in Synergy to Increase Situational Awareness.
Published at the 2nd IEEE Workshop on Interactive Visual Text Analytics ”Task-Driven Analysis of Social Media” as part of the IEEE VisWeek 2012, October 15th, 2012, Seattle, Washington, USA, 2012.
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M. Krstajic, C. Rohrdantz, M. Hund and A. Weiler.
Getting There First: Real-Time Detection of Real-World Incidents on Twitter.
Published at the 2nd IEEE Workshop on Interactive Visual Text Analytics ”Task-Driven Analysis of Social Media” as part of the IEEE VisWeek 2012, October 15th, 2012, Seattle, Washington, USA, 2012.
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C. Rohrdantz, M. Hund, T. Mayer, B. Wälchli and D. A. Keim.
The World's Languages Explorer: Visual Analysis of Language Features in Genealogical and Areal Contexts.
Computer Graphic Forum (The definitive version is available at https://diglib.eg.org/ and https://onlinelibrary.wiley.com/), 31(3):935-944, DOI: https://dx.doi.org/10.1111/j.1467-8659.2012.03086.x, 2012.
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C. Rohrdantz, A. Niekler, A. Hautli, M. Butt and D. A. Keim.
Lexical Semantics and Distribution of Suffixes - A Visual Analysis.
Proceedings of the EACL 2012 Joint Workshop of LINGVIS & UNCLH, 2012.
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C. Rohrdantz, M. C. Hao, U. Dayal, L.-E. Haug and D. A. Keim.
Feature-based Visual Sentiment Analysis of Text Document Streams.
ACM Transactions on Intelligent Systems and Technology, Special Issue on Intelligent Visual Interfaces for Text Analysis (© ACM, 2012. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistr), 3(2):26, DOI: https://dx.doi.org/10.1145/2089094.2089102, 2012.
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M. C. Hao, C. Rohrdantz, H. Janetzko, D. A. Keim, U. Dayal, L.-E. Haug and M. Hsu.
Integrating Sentiment Analysis and Term Associations with Geo-Temporal Visualizations on Customer Feedback Streams.
SPIE 2012 Conference on Visualization and Data Analysis (VDA 2012), Best Paper Award, DOI: https://dx.doi.org/10.1117/12.912202, 2012.
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2011
C. Rohrdantz, D. Oelke, M. Krstajic and F. Fischer.
Real-Time Visualization of Streaming Text Data: Tasks and Challenges (Best Paper Award).
Workshop on Interactive Visual Text Analytics for Decision-Making at the IEEE VisWeek 2011, 2011.
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C. Rohrdantz, A. Hautli, T. Mayer, M. Butt, F. Plank and D. A. Keim.
Towards Tracking Semantic Change by Visual Analytics.
Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies (Short Papers), Association for Computational Linguistics, pages 305--310, 2011.
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T. Mayer, C. Rohrdantz, F. Plank, M. Butt and D. A. Keim.
A Quantitative Approach to the Contrast and Stability of Sounds.
QITL-4 4th Conference on Quantitative Investigations in Theoretical Linguistics, pages 59-64, 2011.
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M. C. Hao, C. Rohrdantz, H. Janetzko, U. Dayal, D. A. Keim, L.-E. Haug and M. Hsu.
Visual Sentiment Analysis on Twitter Data Streams (Poster Paper).
Proceedings of the IEEE Conference on Visual Analytics Science and Technology (VAST 2011), IEEE, pages 277-278, DOI: 10.1109/VAST.2011.6102472, 2011.
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E. Bertini, J. Buchmüller, F. Fischer, S. Huber, T. Lindemeier, F. Maaß, F. Mansmann, T. Ramm, M. Regenscheit, C. Rohrdantz, C. Scheible, T. Schreck, S. Sellien, F. Stoffel, M. Tautzenberger, M. Zieker and D. A. Keim.
Visual Analytics of Terrorist Activities Related to Epidemics.
Proc. IEEE Conference on Visual Analytics Science and Technology (VAST Challenge 2011 - Grand Challenge Award), DOI: 10.1109/VAST.2011.6102498, 2011.
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2010
C. Rohrdantz, T. Mayer, M. Butt, F. Plank and D. A. Keim.
Comparative visual analysis of cross-linguistic features.
Proceedings of the International Symposium on Visual Analytics Science and Technology (EuroVAST 2010). The DEFINITIVE VERSION is available at diglib.eg.org., pages 27-32, DOI: 10.2312/PE/EuroVAST/EuroVAST10/027-032, 2010.
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C. Rohrdantz, S. Koch, C. Jochim, G. Heyer, G. Scheuermann, T. Ertl, H. Schütze and D. A. Keim.
Visuelle Textanalyse.
Informatik-Spektrum., 33(6):601-611, DOI: 10.1007/s00287-010-0483-x, 2010.
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T. Mayer, C. Rohrdantz, F. Plank, P. Bak, M. Butt and D. A. Keim.
Consonant co-occurrence in stems across languages: Automatic analysis and visualization of a phonotactic constraint.
Proceedings of the ACL 2010 Workshop on NLP and Linguistics: Finding the Common Ground (NLPLING 2010), pages 67-75, 2010.
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T. Mayer, C. Rohrdantz, M. Butt, F. Plank and D. A. Keim.
Visualizing Vowel Harmony.
Linguistic Issues in Language Technology, 4(Issue 2):1-33, 2010.
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D. A. Keim, D. Oelke and C. Rohrdantz.
Analyzing Document Collections via Context-Aware Term Extraction.
Proceedings of Natural Language Processing and Information Systems (NLDB '09), Springer Berlin / Heidelberg, pages 154-168, DOI: 10.1007/978-3-642-12550-8_13, 2010.
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S. Kisilevich, C. Rohrdantz and D. A. Keim.
"Beautiful picture of an ugly place". Exploring photo collections using opinion and sentiment analysis of user comments.
Computational Linguistics & Applications (CLA 10), IEEE, pages 419-428, 2010.
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A. Astefanoaie, R. Bozianu, M. Broghammer, R. Jungnickel, C. Rohrdantz, J. Schniertshauer, D. Spretke and P. Bak.
Visual Analytics of a Pandemic Spread.
Proceedings of the IEEE Symposium on Visual Analytics Science and Technology (VAST Challenge 2010), DOI: https://dx.doi.org/10.1109/VAST.2010.5653071, 2010.
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2009
F. Wanner, C. Rohrdantz, F. Mansmann, A. Stoffel, D. Oelke, M. Krstajic, D. A. Keim, D. Luo, J. Yang and M. Atkinson.
Large-scale Comparative Sentiment Analysis of News Articles (InfoVis 2009).
2009.
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F. Wanner, C. Rohrdantz, F. Mansmann, D. Oelke and D. A. Keim.
Visual Sentiment Analysis of RSS News Feeds Featuring the US Presidential Election in 2008.
Proceedings of the IUI'09 Workshop on Visual Interfaces to the Social and the Semantic Web (VISSW 2009), 2009.
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H. Strobelt, D. Oelke, C. Rohrdantz, A. Stoffel, D. A. Keim and O. Deussen.
Document Cards: A Top Trumps Visualization for Documents.
IEEE Transactions on Visualization and Computer Graphics, 15(6):1145-1152, DOI: 10.1109/TVCG.2009.139, 2009.
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D. Oelke, M. C. Hao, C. Rohrdantz, D. A. Keim, U. Dayal, L.-E. Haug and H. Janetzko.
Visual Opinion Analysis of Customer Feedback Data.
Proceedings of the 2009 IEEE Symposium on Visual Analytics Science and Technology (VAST '09), IEEE, pages 187-194, DOI: 10.1109/VAST.2009.5333919, 2009.
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P. Bak, C. Rohrdantz, S. Leifert, C. Granacher, S. Koch, S. Butscher, P. Jungk and D. A. Keim.
Integrative Visual Analytics for Suspicious Behavior Detection.
Proceedings of the IEEE Symposium on Visual Analytics Science and Technology (VAST Challenge 2009), IEEE, DOI: 10.1109/VAST.2009.5334430, 2009.
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