Publications

2016

Stefan Heindorf, Martin Potthast, Benno Stein, and Gregor Engels. Vandalism Detection in Wikidata. In Proceedings of the 25th ACM International Conference on Information and Knowledge Management (CIKM 16) (to appear) , October 2016. ACM. [bib]

Paolo Rosso, Francisco Rangel, Martin Potthast, Efstathios Stamatatos, Michael Tschuggnall, and Benno Stein. Overview of PAN'16—New Challenges for Authorship Analysis: Cross-genre Profiling, Clustering, Diarization, and Obfuscation. In Norbert Fuhr et al, editors, Experimental IR Meets Multilinguality, Multimodality, and Interaction. 7th International Conference of the CLEF Initiative (CLEF 16) (to appear) , Berlin Heidelberg New York, September 2016. Springer. [bib]

Martin Potthast, Matthias Hagen, and Benno Stein. Author Obfuscation: Attacking the State of the Art in Authorship Verification. In Working Notes Papers of the CLEF 2016 Evaluation Labs, CEUR Workshop Proceedings, September 2016. CLEF and CEUR-WS.org. ISSN 1613-0073. [publisher] [bib]

Efstathios Stamatatos, Michael Tschuggnall, Ben Verhoeven, Walter Daelemans, Guenther Specht, Benno Stein, and Martin Potthast. Clustering by Authorship Within and Across Documents. In Working Notes Papers of the CLEF 2016 Evaluation Labs, CEUR Workshop Proceedings, September 2016. CLEF and CEUR-WS.org. ISSN 1613-0073. [publisher] [bib]

Francisco Manuel Rangel Pardo, Paolo Rosso, Ben Verhoeven, Walter Daelemans, Martin Potthast, and Benno Stein. Overview of the 4th Author Profiling Task at PAN 2016: Cross-Genre Evaluations. In Working Notes Papers of the CLEF 2016 Evaluation Labs, CEUR Workshop Proceedings, September 2016. CLEF and CEUR-WS.org. ISSN 1613-0073. [publisher] [bib]

Ingo Frommholz, Haider M. al-Khateeb, Martin Potthast, Zinnar Ghasem, Mitul Shukla, and Emma Short. On Textual Analysis and Machine Learning for Cyberstalking Detection. Datenbank-Spektrum, 16 (2) : 127–135, June 2016. [doi] [article] [bib]

Khalid Al-Khatib, Henning Wachsmuth, Matthias Hagen, Jonas Köhler, and Benno Stein. Cross-Domain Mining of Argumentative Text through Distant Supervision. In 15th Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL 16), pages 1395–1404, June 2016. Association for Computational Linguistics. [publisher] [paper] [bib]

Patrick Riehmann, Martin Potthast, Henning Gruendl, Johannes Kiesel, Dean Jürges, Giuliano Castiglia, Bagrat Ter-Akopyan, and Bernd Froehlich. Visualizing Article Similarities in Wikipedia. In Tobias Isenberg and Filip Sadlo, editors, Proceedings of the 18th Eurographics Conference on Visualization (EuroVis 16) - Posters Volume, pages 69-71, June 2016. The Eurographics Association. ISBN 978-3-03868-015-4. [doi] [paper] [bib] [poster]

Matthias Hagen and Benno Stein. Big Data and IR. Datenbank-Spektrum. Springer, March 2016. ISSN 1618-2162. [doi] [bib]

Martin Potthast, Sarah Braun, Tolga Buz, Fabian Duffhauss, Florian Friedrich, Jörg Marvin Gülzow, Jakob Köhler, Winfried Lötzsch, Fabian Müller, Maike Elisa Müller, Robert Paßmann, Bernhard Reinke, Lucas Rettenmeier, Thomas Rometsch, Timo Sommer, Michael Träger, Sebastian Wilhelm, Benno Stein, Efstathios Stamatatos, and Matthias Hagen. Who Wrote the Web? Revisiting Influential Author Identification Research Applicable to Information Retrieval. In Nicola Ferro et al, editors, Advances in Information Retrieval. 38th European Conference on IR Research (ECIR 16) volume 9626 of Lecture Notes in Computer Science, pages 393-407, Berlin Heidelberg New York, March 2016. Springer. [doi] [paper] [bib] [slides]

Matthias Hagen, Anna Beyer, Tim Gollub, Kristof Komlossy, and Benno Stein. Supporting Scholarly Search with Keyqueries. In Nicola Ferro et al, editors, Advances in Information Retrieval. 38th European Conference on IR Research (ECIR 16) volume 9626 of Lecture Notes in Computer Science, pages 507-520, Berlin Heidelberg New York, March 2016. Springer. [doi] [paper] [bib] [slides]

Matthias Hagen, Martin Potthast, Michael Völske, Jakob Gomoll, and Benno Stein. How Writers Search: Analyzing the Search and Writing Logs of Non-fictional Essays. In Diane Kelly et al, editors, Proceedings of the 1st ACM SIGIR Conference on Human Information Interaction and Retrieval (CHIIR 16), pages 193–202, March 2016. ACM. [doi] [paper] [bib] [slides]

Martin Potthast, Sebastian Köpsel, Benno Stein, and Matthias Hagen. Clickbait Detection. In Nicola Ferro et al, editors, Advances in Information Retrieval. 38th European Conference on IR Research (ECIR 16) volume 9626 of Lecture Notes in Computer Science, pages 810-817, Berlin Heidelberg New York, March 2016. Springer. [doi] [paper] [bib] [slides] [poster]

2015

Matthias Hagen, Steve Göring, Magdalena Keil, Olaoluwa Anifowose, Amir Othman, and Benno Stein. Webis at TREC 2015: Tasks and Total Recall Tracks. In Ellen M. Voorhees and Lori P. Buckland, editors, 24th International Text Retrieval Conference (TREC 15), NIST Special Publication, November 2015. National Institute of Standards and Technology (NIST). [publisher] [paper] [bib]

Michael Völske, Pavel Braslavski, Matthias Hagen, Galina Lezina, and Benno Stein. What Users Ask a Search Engine: Analyzing One Billion Russian Question Queries. In Proceedings of the 24th ACM International Conference on Information and Knowledge Management (CIKM 15), pages 1571-1580, October 2015. ACM. ISBN 978-1-4503-3794-6. [doi] [paper] [bib] [slides]

Matthias Hagen, Martin Potthast, and Benno Stein. Source Retrieval for Plagiarism Detection from Large Web Corpora: Recent Approaches. In Working Notes Papers of the CLEF 2015 Evaluation Labs, CEUR Workshop Proceedings, September 2015. CLEF and CEUR-WS.org. ISSN 1613-0073. [publisher] [paper] [bib]

Patrick Riehmann, Martin Potthast, Benno Stein, and Bernd Froehlich. Visual Assessment of Alleged Plagiarism Cases. Computer Graphics Forum, 34 (3) : 1-10, July 2015. [doi] [article] [bib] [video]

Matthias Hagen, Martin Potthast, Michel Büchner, and Benno Stein. Webis: An Ensemble for Twitter Sentiment Detection. In Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 15), pages 582-589, June 2015. Association for Computational Linguistics. [publisher] [paper] [bib] [code]

Johannes Kiesel, Khalid Al-Khatib, Matthias Hagen, and Benno Stein. A Shared Task on Argumentation Mining in Newspaper Editorials. In Proceedings of the Second Workshop on Argumentation Mining, Denver, Colorado, June 2015. Association for Computational Linguistics. [paper] [bib]

Matthias Hagen, Maximilian Michel, and Benno Stein. What Was the Query? Automatically Generating Queries for Document Sets with Applications in Cluster Labeling. In Proceedings of the 19th International Conference on Applications of Natural Language to Information Systems (NLDB 14), Lecture Notes in Computer Science, Berlin Heidelberg New York, June 2015. Springer. [paper] [bib]

Matthias Hagen, Martin Potthast, Michel Büchner, and Benno Stein. Twitter Sentiment Detection via Ensemble Classification Using Averaged Confidence Scores. In Advances in Information Retrieval. 37th European Conference on IR Resarch (ECIR 15) volume 9022 of Lecture Notes in Computer Science, pages 513-525, Berlin Heidelberg New York, March 2015. Springer. [doi] [paper] [bib] [code] [slides]

Matthias Hagen, Daniel Wägner, and Benno Stein. A Corpus of Realistic Known-Item Topics with Associated Web Pages in the ClueWeb09. In Advances in Information Retrieval. 37th European Conference on IR Resarch (ECIR 15) volume 9022 of Lecture Notes in Computer Science, pages 741-754, Berlin Heidelberg New York, March 2015. Springer. [doi] [paper] [bib] [slides]

Patrick Riehmann, Martin Potthast, Benno Stein, Bernd Froehlich Visual Assessment of Alleged Plagiarism Cases COMPUTER GRAPHICS forum ,Volume 34 (2015), Number 3, presented at EuroVis 2015, Cagliari, Italy, May 2015. [preprint]

2014

Matthias Hagen, Steve Göring, Maximilian Michel, Georg Müller, and Benno Stein. Webis at TREC 2014: Web, Session, and Contextual Suggestion Tracks. In Ellen M. Voorhees and Lori P. Buckland, editors, 23nd International Text Retrieval Conference (TREC 14), NIST Special Publication, November 2014. National Institute of Standards and Technology (NIST). [publisher] [paper] [bib]

Matthias Hagen and Benno Stein. Weblog Analysis. In Reda Alhajj and Jon G. Rokne, editors, Encyclopedia of Social Network Analysis and Mining, pages 2355-2362. Springer. October 2014. [doi] [paper] [bib]

Matthias Hagen and Christiane Glimm. Supporting More-Like-This Information Needs: Finding Similar Web Content in Different Scenarios In Information Access Evaluation meets Multilinguality, Multimodality, and Visualization. 5th International Conference of the CLEF Initiative (CLEF 14), pages 50-61, 2014. [doi] [paper] [bib]

Tim Gollub, Matthias Hagen, Michael Völske, and Benno Stein. Dynamic Taxonomy Composition via Keyqueries. In Digital Libraries 2014: 14th ACM/IEEE Joint Conference on Digital Libraries (JCDL 2014), 18th International Conference on Theory and Practice of Digital Libraries (TPDL 2014), September 2014 (to appear). ACM. [bib]

Schollmeyer, A., Froehlich, B. Direct Isosurface Ray Casting of NURBS-based Isogeometric Analysis, To appear in IEEE Transactions on Visualization and Computer Graphics. [abstract] [preprint]

Schneegans, S., Lauer, F., Bernstein, A.-C., Schollmeyer, A., Froehlich, B. Guacamole - An Extensible Scene Graph and Rendering Framework Based on Deferred Shading. In Proceedings of the 7th Workshop on Software Engineering and Architectures for Realtime Interactive Systems (SEARIS '14) in conjunction with IEEE Virtual Reality 2014, Minneapolis, Minnesota, USA, 30th March, 2014. [abstract] [preprint]

Riehmann, P., Möbus, W., Froehlich, B. Visualizing Food Ingredients for Kids by Utilizing Glyph-Based Characters. In Proceedings of the 12th International Working Conference on Advanced Visual Interfaces (AVI '14). ACM, Como, Italy, May 27-30, 2014. [doi] [abstract] [preprint]

2013

Khaled M. Elbassioni, Matthias Hagen, and Imran Rauf. A Lower Bound for the HBC Transversal Hypergraph Generation. Fundamenta Informaticae, 130 (4) : 409-414, 2013. [article] [bib]

Matthias Hagen, Michael Völske, Jakob Gomoll, Marie Bornemann, Lene Ganschow, Florian Kneist, Abdul Hamid Sabri, and Benno Stein. Webis at TREC 2013 – Session and Web Track. In Ellen M. Voorhees and Lori P. Buckland, editors, 22nd International Text Retrieval Conference (TREC 13), NIST Special Publication, November 2013. National Institute of Standards and Technology (NIST). [doi] [paper] [bib]

Martin Potthast, Tim Gollub, Matthias Hagen, Martin Tippmann, Johannes Kiesel, Paolo Rosso, Efstathios Stamatatos, and Benno Stein. Overview of the 5th International Competition on Plagiarism Detection. In Pamela Forner, Roberto Navigli, and Dan Tufis, editors, Working Notes Papers of the CLEF 2013 Evaluation Labs, September 2013. ISBN 978-88-904810-3-1. ISSN 2038-4963. [publisher] [paper] [bib] [slides]

Martin Potthast, Matthias Hagen, Michael Völske, and Benno Stein. Exploratory Search Missions for TREC Topics. In Max L. Wilson et al, editors, 3rd European Workshop on Human-Computer Interaction and Information Retrieval (EuroHCIR 2013), pages 11-14, August 2013. CEUR-WS.org. ISSN 1613-0073. [publisher] [paper] [bib]

Martin Potthast, Matthias Hagen, Michael Völske, and Benno Stein. Crowdsourcing Interaction Logs to Understand Text Reuse from the Web. In Pascale Fung and Massimo Poesio, editors, Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (ACL 13), pages 1212-1221, August 2013. ACL. [publisher] [paper] [bib] [slides]

Tim Gollub, Matthias Hagen, Maximilian Michel, and Benno Stein. From Keywords to Keyqueries: Content Descriptors for the Web. In Cathal Gurrin et al, editors, 36th International ACM Conference on Research and Development in Information Retrieval (SIGIR 13), pages 981-984, July 2013. ACM. [doi] [paper] [bib]

Matthias Hagen, Jakob Gomoll, Anna Beyer, and Benno Stein. From Search Session Detection to Search Mission Detection. In 10th International Conference Open Research Areas in Information Retrieval (OAIR 13), pages 85-92, May 2013. ACM. [doi] [paper] [bib] [slides]

2012

Matthias Hagen, Martin Potthast, Matthias Busse, Jakob Gomoll, Jannis Harder, and Benno Stein. Webis at the TREC 2012 Sessions Track. In Ellen M. Voorhees and Lori P. Buckland, editors, 21st International Text Retrieval Conference (TREC 12), NIST Special Publication, November 2012. National Institute of Standards and Technology (NIST). [doi] [paper] [bib] [slides]

Matthias Hagen, Martin Potthast, Anna Beyer, and Benno Stein. Towards Optimum Query Segmentation: In Doubt Without. In Xuewen Chen, Guy Lebanon, Haixun Wang, and Mohammed J. Zaki, editors, 21st ACM International Conference on Information and Knowledge Management (CIKM 12), pages 1015-1024, October 2012. ACM. ISBN 978-1-4503-1156-4. [doi] [paper] [bib] [slides]

Martin Potthast, Tim Gollub, Matthias Hagen, Jan Graßegger, Johannes Kiesel, Maximilian Michel, Arnd Oberländer, Martin Tippmann, Alberto Barrón-Cedeño, Parth Gupta, Paolo Rosso, and Benno Stein. Overview of the 4th International Competition on Plagiarism Detection. In Pamela Forner, Jussi Karlgren, and Christa Womser-Hacker, editors, Working Notes Papers of the CLEF 2012 Evaluation Labs, September 2012. ISBN 978-88-904810-3-1. ISSN 2038-4963. [publisher] [paper] [bib] [slides]

Martin Potthast, Matthias Hagen, Benno Stein, Jan Graßegger, Maximilian Michel, Martin Tippmann, and Clement Welsch. ChatNoir: A Search Engine for the ClueWeb09 Corpus. In Bill Hersh, Jamie Callan, Yoelle Maarek, and Mark Sanderson, editors, 35th International ACM Conference on Research and Development in Information Retrieval (SIGIR 12), pages 1004, August 2012. ACM. ISBN 978-1-4503-1472-5. [doi] [paper] [bib]

Claudia Hauff, Matthias Hagen, Anna Beyer, and Benno Stein. Towards Realistic Known-Item Topics for the ClueWeb. In Jaap Kamps et al, editors, 4th Information Interaction in Context Symposium (IIiX 12), pages 274-277, August 2012. ACM. ISBN 978-1-4503-1282-0. [doi] [paper] [bib]

Matthias Hagen, Jakob Gomoll, and Benno Stein. Improved Cascade for Search Mission Detection. In Ben Carterette, Evangelos Kanoulas, Paul D. Clough, and Mark Sanderson, editors, ECIR 12 Workshop on Information Retrieval over Query Sessions (SIR 12), 2012. [publisher] [paper] [bib] [slides]

Andre Schmidt, Michael Rzanny, Astrid Schmidt, Matthias Hagen, Eileen Schütze, and Erika Kothe. GC content-independent amino acid patterns in Bacteria and Archaea. Journal of Basic Microbiology, 52 (2) : 195-205, 2012. [bib]

Riehmann, P., Gruendl, H., Potthast, M., Trenkmann, M., Stein, B., Froehlich, B. WORDGRAPH: Keyword-in-Context Visualization for NETSPEAK's Wildcard Search. IEEE Transactions on Visualization and Computer Graphics, pp. 1411-1423, Sept., 2012. [DOI] [abstract] [preprint] [video]

Riehmann, P., Opolka, J., Froehlich, B. The Product Explorer: Decision Making with Ease. In Proceedings of the International Working Conference on Advanced Visual Interfaces (AVI), Capri, Italy, pp423-432, May 2012. [abstract] [preprint] [large video]

2011

Matthias Hagen, Jan Graßegger, Maximilian Michel, and Benno Stein. Webis at the TREC 2011 Sessions Track. In Ellen M. Voorhees and Lori P. Buckland, editors, 20th International Text Retrieval Conference (TREC 11), November 2011. National Institute of Standards and Technology (NIST). [paper] [bib]

Matthias Hagen, Benno Stein, and Tino Rüb. Query Session Detection as a Cascade. In Bettina Berendt et al, editors, 20th ACM International Conference on Information and Knowledge Management (CIKM 11), pages 147-152, October 2011. ACM. ISBN 978-1-4503-0717-8. [doi] [paper] [bib] [slides]

Matthias Hagen and Benno Stein. Candidate Document Retrieval for Web-Scale Text Reuse Detection. In 18th International Symposium on String Processing and Information Retrieval (SPIRE 11) volume 7024 of Lecture Notes in Computer Science, pages 356-367, Berlin Heidelberg New York, 2011. Springer. [doi] [paper] [bib] [slides]

Matthias Hagen and Benno Stein. Applying the User-over-Ranking Hypothesis to Query Formulation. In Advances in Information Retrieval Theory. 3rd International Conference on the Theory of Information Retrieval (ICTIR 11) volume 6931 of Lecture Notes in Computer Science, pages 225-237, Berlin Heidelberg New York, 2011. Springer. [doi] [paper] [bib] [slides]

Benno Stein and Matthias Hagen. Introducing the User-over-Ranking Hypothesis. In Advances in Information Retrieval. 33rd European Conference on IR Resarch (ECIR 11) volume 6611 of Lecture Notes in Computer Science, pages 503-509, Berlin Heidelberg New York, April 2011. Springer. [doi] [paper] [bib] [slides]

Matthias Hagen, Benno Stein, and Tino Rüb. Query Session Detection as a Cascade. In Ben Carterette, Paul D. Clough, Evangelos Kanoulas, and Mark Sanderson, editors, ECIR 11 Workshop on Information Retrieval over Query Sessions (SIR 11), April 2011. [publisher] [paper] [bib] [slides]

Matthias Hagen, Martin Potthast, Benno Stein, and Christof Bräutigam. Query Segmentation Revisited. In Sadagopan Srinivasan et al, editors, 20th International Conference on World Wide Web (WWW 11), pages 97-106, March 2011. ACM. [doi] [paper] [bib] [slides]

Riehmann, P., Gruendl, H., Froehlich, B., Potthast, M., Trenkmann, M., Stein, B. The NETSPEAK WORDGRAPH: Visualizing Keywords in Context, IEEE Pacific Visualization Symposium (PacificVis), pp.123-130, March 2011 (Best Paper Award). [abstract] [preprint] [URL]

2010

Andre Schmidt, Matthias Hagen, Eileen Schütze, Astrid Schmidt, and Erika Kothe. In silico prediction of potential metallothioneins and metallohistins in actinobacteria. Journal of Basic Microbiology, 50 (6) : 562-569, 2010. [bib]

Matthias Hagen, Benno Stein, and Michael Völske. Webis at the TREC 2010 Sessions Track. In Ellen M. Voorhees and Lori P. Buckland, editors, 19th International Text Retrieval Conference (TREC 10), November 2010. National Institute of Standards and Technology (NIST). [paper] [bib]

Matthias Hagen and Benno Stein. Capacity-Constrained Query Formulation. In Mounia Lalmas et al, editors, Research and Advanced Technology for Digital Libraries. 14th European Conference on Digital Libraries (ECDL 10) volume 6273 of Lecture Notes in Computer Science, pages 384-388, Berlin Heidelberg New York, September 2010. Springer. ISBN 978-3-642-15463-8. [doi] [paper] [bib]

Matthias Hagen and Benno Stein. Search Strategies for Keyword-based Queries. In A Min Tjoa and Roland Wagner, editors, 7th International Workshop on Text-Based Information Retrieval (TIR 10) at DEXA, pages 37-41, September 2010. IEEE. ISBN 978-0-7695-4174-7. [doi] [paper] [bib]

Benno Stein and Matthias Hagen. Making the Most of a Web Search Session. In IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT 10), pages 90-97, Los Alamitos , California, August 2010. IEEE. ISBN 978-0-7695-4191-4. [doi] [paper] [bib]

Matthias Hagen, Martin Potthast, Benno Stein, and Christof Bräutigam. The Power of Naive Query Segmentation. In Fabio Crestani et al, editors, 33rd International ACM Conference on Research and Development in Information Retrieval (SIGIR 10), pages 797-798, July 2010. ACM. ISBN 978-1-4503-0153-4. [doi] [paper] [bib] [poster]

Eric Berberich, Matthias Hagen, Benjamin Hiller, and Hannes Moser. Experiments. In Matthias Müller-Hannemann and Stefan Schirra, editors, Algorithm Engineering: Bridging the Gap between Algorithm Theory and Practice [outcome of a Dagstuhl Seminar] volume 5971 of Lecture Notes in Computer Science, pages 325-388, 2010. Springer. ISBN 978-3-642-14865-1. [doi] [bib]

2009

Matthias Hagen. Lower bounds for three algorithms for transversal hypergraph generation. Discrete Applied Mathematics, 157 (7) : 1460-1469, 2009. [article] [bib]

Matthias Hagen, Peter Horatschek, and Martin Mundhenk. Experimental comparison of the two Fredman-Khachiyan-algorithms. In Irene Finocchi and John Hershberger, editors, Proceedings of the Workshop on Algorithm Engineering and Experiments, ALENEX 2009, New York, New York, USA, January 3, 2009, pages 154-161, 2009. SIAM. [paper] [bib]

Schollmeyer, A., Froehlich, B. Direct Trimming of NURBS Surfaces on the GPU,
In Proceedings of ACM SIGGRAPH 2009 and ACM Transactions on Graphics (TOG), Volume 28, Issue 3 (August 2009). [abstract][preprint]

2008

Matthias Hagen. Algorithmic and Computational Complexity Issues of MONET. Dissertation, Institut für Informatik, Friedrich-Schiller-Universität Jena, December 2008. [paper] [bib]

Judy Goldsmith, Matthias Hagen, and Martin Mundhenk. Complexity of DNF minimization and isomorphism testing for monotone formulas. Information and Computation, 206 (6) : 760-775, 2008. [article] [bib]

Khaled M. Elbassioni, Matthias Hagen, and Imran Rauf. Some Fixed-Parameter Tractable Classes of Hypergraph Duality and Related Problems. In Martin Grohe and Rolf Niedermeier, editors, Parameterized and Exact Computation, Third International Workshop, IWPEC 2008, Victoria, Canada, May 14-16, 2008. Proceedings volume 5018 of Lecture Notes in Computer Science, pages 91-102, 2008. Springer. ISBN 978-3-540-79722-7. [paper] [bib]

2007

Matthias Hagen. On the fixed-parameter tractability of the equivalence test of monotone normal forms. Information Processing Letters, 103 (4) : 163-167, 2007. [article] [bib]

Matthias Hagen. Lower Bounds for Three Algorithms for the Transversal Hypergraph Generation. In Andreas Brandstädt, Dieter Kratsch, and Haiko Müller, editors, Graph-Theoretic Concepts in Computer Science, 33rd International Workshop, WG 2007, Dornburg, Germany, June 21-23, 2007. Revised Papers volume 4769 of Lecture Notes in Computer Science, pages 316-327, 2007. Springer. ISBN 978-3-540-74838-0. [paper] [bib]

2006

Matthias Hagen. Logarithmic Space Instances of Monotone Normal Form Equivalence Testing. (Reports on Computer Science 06-10), Institut für Informatik, Friedrich-Schiller-Universität Jena, June 2006. [paper] [bib]

2005

Judy Goldsmith, Matthias Hagen, and Martin Mundhenk. Complexity of DNF and Isomorphism of Monotone Formulas. In Joanna Jedrzejowicz and Andrzej Szepietowski, editors, Mathematical Foundations of Computer Science 2005, 30th International Symposium, MFCS 2005, Gdansk, Poland, August 29 - September 2, 2005, Proceedings volume 3618 of Lecture Notes in Computer Science, pages 410-421, 2005. Springer. ISBN 3-540-28702-7. [paper] [bib]

Riehmann, P., Hanfler, M., Fröhlich, B. Interactive Sankey Diagrams, In Proceedings of the IEEE Symposium on Information Visualization (InfoVis 05), pp. 233-240, October 2005. [abstract] [project page] [paper] [Presentation InfoVis] [video]