Dr. Steffen Lohmann left SDA for a position at the BmBF. The profile below reflects the status at the point of his departure and is no longer updated.

Senior Researcher
Enterprise Information System
Fraunhofer IAIS
Profiles: Google Scholar, DBLP
Room B3-226
Schloss Birlinghoven, 53757 Sankt Augustin, Germany
steffen.lohmann@iais.fraunhofer.de
Short CV
Dr. Steffen Lohmann is head of department Enterprise Information Systems at Fraunhofer Institute for Intelligent Analysis and Information Systems IAIS and associated member of the Smart Data Analytics group of the University of Bonn. His main research areas include Semantic Technologies, Knowledge Engineering, Data Integration and Information Visualization. At Fraunhofer IAIS, he is heading the business unit on Enterprise Information Integration concerned with research and development in areas such as Industry 4.0, Internet of Things, Enterprise Knowledge Graphs, and Smart Data Integration. Steffen holds BSc and MSc degrees in Applied Communication and Media Science and a PhD in Computer Science. He is co-author of more than 100 peer-reviewed scientific publications, co-founder of a number of software and research projects and initiatives, has served in different functions for major international conferences and journals, is an active member of scientific and industrial committees, gives talks and consultancy, and organizes events in the above topic areas.
Research Interests
- Semantic Technologies
- Knowledge Engineering
- Data Integration
- Information Visualization
Projects
- BeIoT (EU-funded, 2016-2017)
- bIoTope (EU-funded, 2016-2018)
- Industrial Data Space (BMBF-funded, 2015-2018)
- GRACeFUL (EU-funded, 2015-2018)
- SlideWiki (EU-funded, 2016-2018)
- Smart Data Innovation (BMBF-funded, 2015-2018)
Publications
2015
QueryVOWL: Visual Composition of SPARQL Queries Inproceedings
In: The Semantic Web: ESWC 2015 Satellite Events - ESWC 2015 Satellite Events Portorov z, Slovenia, May 31 - June 4, 2015, Revised Selected Papers, pp. 62–66, Springer, 2015.
QueryVOWL: A Visual Query Notation for Linked Data Inproceedings
In: The Semantic Web: ESWC 2015 Satellite Events - ESWC 2015 Satellite Events Portorov z, Slovenia, May 31 - June 4, 2015, Revised Selected Papers, pp. 387–402, Springer, 2015.
Visual Querying of Linked Data with QueryVOWL Inproceedings
In: Joint Proceedings of the 1st International Workshop on Summarizing and Presenting Entities and Ontologies and the 3rd International Workshop on Human Semantic Web Interfaces (SumPre 2015, HSWI 2015) co-located with the 12th Extended Semantic Web Conference (ESWC 2015), Portoroz, Slovenia, June 1, 2015, CEUR-WS.org, 2015.
Concentri Cloud: Word Cloud Visualization for Multiple Text Documents Inproceedings
In: 19th International Conference on Information Visualisation, IV 2015, Barcelona, Spain, July 22-24, 2015, pp. 114–120, IEEE Computer Society, 2015.
Towards a Visual Notation for OWL: A Brief Summary of VOWL Inproceedings
In: Ontology Engineering - 12th International Experiences and Directions Workshop on OWL, OWLED 2015, co-located with ISWC 2015, Bethlehem, PA, USA, October 9-10, 2015, Revised Selected Papers, pp. 143–153, Springer, 2015.
Visualizing the Evolution of Ontologies: A Dynamic Graph Perspective Inproceedings
In: Proceedings of the International Workshop on Visualizations and User Interfaces for Ontologies and Linked Data co-located with 14th International Semantic Web Conference (ISWC 2015), Bethlehem, Pennsylvania, USA, October 11, 2015, pp. 69, CEUR-WS.org, 2015.
Representing and Visualizing Text as Ontologies: A Case from the Patent Domain Inproceedings
In: Proceedings of the International Workshop on Visualizations and User Interfaces for Ontologies and Linked Data co-located with 14th International Semantic Web Conference (ISWC 2015), Bethlehem, Pennsylvania, USA, October 11, 2015, pp. 83, CEUR-WS.org, 2015.
2014
Visual SPARQL querying based on extended filter/flow graphs Inproceedings
In: International Working Conference on Advanced Visual Interfaces, AVI 2014, Como, Italy, May 27-29, 2014, pp. 305–312, ACM, 2014.
OntoViBe: An Ontology Visualization Benchmark Inproceedings
In: Proceedings of the International Workshop on Visualizations and User Interfaces for Knowledge Engineering and Linked Data Analytics co-located with 19th International Conference on Knowledge Engineering and Knowledge Management, VISUAL@EKAW 2014, Linköping, Sweden, November 24, 2014, pp. 14–27, CEUR-WS.org, 2014.
OntoViBe 2: Advancing the Ontology Visualization Benchmark Inproceedings
In: Knowledge Engineering and Knowledge Management - EKAW 2014 Satellite Events, VISUAL, EKM1, and ARCOE-Logic, Linköping, Sweden, November 24-28, 2014. Revised Selected Papers, pp. 83–98, Springer, 2014.
In: Knowledge Engineering and Knowledge Management - EKAW 2014 Satellite Events, VISUAL, EKM1, and ARCOE-Logic, Linköping, Sweden, November 24-28, 2014. Revised Selected Papers, pp. 80–82, Springer, 2014.
WebVOWL: Web-based Visualization of Ontologies Inproceedings
In: Knowledge Engineering and Knowledge Management - EKAW 2014 Satellite Events, VISUAL, EKM1, and ARCOE-Logic, Linköping, Sweden, November 24-28, 2014. Revised Selected Papers, pp. 154–158, Springer, 2014.
VOWL 2: User-Oriented Visualization of Ontologies Inproceedings
In: Knowledge Engineering and Knowledge Management - 19th International Conference, EKAW 2014, Linköping, Sweden, November 24-28, 2014. Proceedings, pp. 266–281, Springer, 2014.
SparqlFilterFlow: SPARQL Query Composition for Everyone Inproceedings
In: The Semantic Web: ESWC 2014 Satellite Events - ESWC 2014 Satellite Events, Anissaras, Crete, Greece, May 25-29, 2014, Revised Selected Papers, pp. 362–367, Springer, 2014.
The ProtégéVOWL Plugin: Ontology Visualization for Everyone Inproceedings
In: The Semantic Web: ESWC 2014 Satellite Events - ESWC 2014 Satellite Events, Anissaras, Crete, Greece, May 25-29, 2014, Revised Selected Papers, pp. 395–400, Springer, 2014.
Word Cloud Explorer: Text Analytics Based on Word Clouds Inproceedings
In: 47th Hawaii International Conference on System Sciences, HICSS 2014, Waikoloa, HI, USA, January 6-9, 2014, pp. 1833–1842, IEEE Computer Society, 2014.
RadCloud: Visualizing Multiple Texts with Merged Word Clouds Inproceedings
In: 18th International Conference on Information Visualisation, IV 2014, Paris, France, July 16-18, 2014, pp. 108–113, IEEE Computer Society, 2014.
Visual Exploration of Patent Collections with IPC Clouds Inproceedings
In: Proceedings of the First International Workshop on Patent Mining and Its Applications (IPaMin 2014) co-located with Konvens 2014, Hildesheim, Germany, October 6-7, 2014, CEUR-WS.org, 2014.
2013
Evaluating the readability of extended filter/flow graphs Inproceedings
In: Graphics Interface 2013, GI '13, Regina, SK, Canada, May 29-31, 2013, Proceedings, pp. 33–36, Canadian Information Processing Society / ACM, 2013.
Towards a unified visual notation for OWL ontologies: insights from a comparative user study Inproceedings
In: I-SEMANTICS 2013 - 9th International Conference on Semantic Systems, ISEM '13, Graz, Austria, September 4-6, 2013, pp. 73–80, ACM, 2013.
Prefix Tag Clouds Inproceedings
In: 17th International Conference on Information Visualisation, IV 2013, London, United Kingdom, July 16-18, 2013, pp. 45–50, IEEE Computer Society, 2013.
A Visual Notation for the Integrated Representation of OWL Ontologies Inproceedings
In: WEBIST 2013 - Proceedings of the 9th International Conference on Web Information Systems and Technologies, Aachen, Germany, 8-10 May, 2013, pp. 308–315, SciTePress, 2013.
2012
Visual analysis of microblog content using time-varying co-occurrence highlighting in tag clouds Inproceedings
In: International Working Conference on Advanced Visual Interfaces, AVI 2012, Capri Island, Naples, Italy, May 22-25, 2012, Proceedings, pp. 753–756, ACM, 2012.
Representing and visualizing folksonomies as graphs: a reference model Inproceedings
In: International Working Conference on Advanced Visual Interfaces, AVI 2012, Capri Island, Naples, Italy, May 22-25, 2012, Proceedings, pp. 729–732, ACM, 2012.
Migration und Anpassung von Benutzeroberflächen für Touchscreens Inproceedings
In: Mensch & Computer 2012: interaktiv informiert - allgegenwärtig und allumfassend!? Konstanz, Germany, September 9-12, 2012, pp. 93–102, Oldenbourg Verlag, 2012.
Simplifying filter/flow graphs by subgraph substitution Inproceedings
In: 2012 IEEE Symposium on Visual Languages and Human-Centric Computing, VL/HCC 2012, Innsbruck, Austria, September 30 - October 4, 2012, pp. 145–148, IEEE, 2012.
2011
Learners as Metadata Source? A Three-Layer Model of Collaborative Content Annotation Incollection
In: IATEL - Interdisciplinary Approaches to Technology-enhanced Learning: Interdisziplinäre Zugänge zum technologiegestützen Lernen, pp. 279–286, Waxmann, 2011.
Interaktion und Visualisierung im Daten-Web Inproceedings
In: 41. Jahrestagung der Gesellschaft für Informatik, Informatik schafft Communities, INFORMATIK 2011, Berlin, Germany, October 4-7, 2011, Abstract Proceedings, pp. 253–255, GI, 2011.
SemLens: visual analysis of semantic data with scatter plots and semantic lenses Inproceedings
In: Proceedings the 7th International Conference on Semantic Systems, I-SEMANTICS 2011, Graz, Austria, September 7-9, 2011, pp. 175–178, ACM, 2011.
MUTO: the modular unified tagging ontology Inproceedings
In: Proceedings the 7th International Conference on Semantic Systems, I-SEMANTICS 2011, Graz, Austria, September 7-9, 2011, pp. 95–104, ACM, 2011.
Data-Centric Interactions on the Web Inproceedings
In: Human-Computer Interaction - INTERACT 2011 - 13th IFIP TC 13 International Conference, Lisbon, Portugal, September 5-9, 2011, Proceedings, Part IV, pp. 726–727, Springer, 2011.
Visuelle Analyse von RDF-Daten mittels semantischer Linsen Inproceedings
In: Mensch & Computer 2011: überMEDIENtextbackslash(vert textbackslash)ÜBERmorgen - 11. fachübergreifende Konferenz für interaktive und kooperative Medien, Chemnitz, Germany, September 11-14, 2011, pp. 283–287, Oldenbourg Verlag, 2011.
2010
A Cognitive Cost Model of Annotations Based on Eye-Tracking Data Inproceedings
In: ACL 2010, Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics, July 11-16, 2010, Uppsala, Sweden, pp. 1158–1167, The Association for Computer Linguistics, 2010.
Open design spaces: socially crafting interactive experiences Inproceedings
In: Proceedings of the Conference on Designing Interactive Systems, Aarhus, Denmark, August 16-20, 2010, pp. 442–443, ACM, 2010.
Vorwort Inproceedings
In: Lernen im Digitalen Zeitalter Workshop-Band Dokumentation der Pre-Conference zur DeLFI2009 - Die 7. E-Learning Fachtagung Informatik der Gesellschaft für Informatik e.V., Freie Universität Berlin, 14.-17. September 2009, pp. 12, Logos Verlag, 2010.
Interactive Relationship Discovery via the Semantic Web Inproceedings
In: The Semantic Web: Research and Applications, 7th Extended Semantic Web Conference, ESWC 2010, Heraklion, Crete, Greece, May 30 - June 3, 2010, Proceedings, Part I, pp. 303–317, Springer, 2010.
Exploiting the Semantic Web for Interactive Relationship Discovery in Technology Enhanced Learning Inproceedings
In: ICALT 2010, 10th IEEE International Conference on Advanced Learning Technologies, Sousse, Tunisia, 5-7 July 2010, pp. 302–306, IEEE Computer Society, 2010.
The RelFinder user interface: interactive exploration of relationships between objects of interest Inproceedings
In: Proceedings of the 15th International Conference on Intelligent User Interfaces, IUI 2010, Hong Kong, China, February 7-10, 2010, pp. 421–422, ACM, 2010.
In: Software Engineering 2010 - Workshopband (inkl. Doktorandensymposium), Fachtagung des GI-Fachbereichs Softwaretechnik, 22.-26.02.2010, Paderborn, pp. 485–494, GI, 2010.
2009
Comparison of Tag Cloud Layouts: Task-Related Performance and Visual Exploration Inproceedings
In: Human-Computer Interaction - INTERACT 2009, 12th IFIP TC 13 International Conference, Uppsala, Sweden, August 24-28, 2009, Proceedings, Part I, pp. 392–404, Springer, 2009.
Open Design Spaces (ODS) - Innovation durch Nutzerbeteiligung - Inproceedings
In: Workshop-Proceedings der Tagung Mensch & Computer 2009, Berlin, Germany, September 6-9, 2009, pp. 31–35, Logos Verlag, 2009.
Interaktive Informationsextraktion aus Dokumentenmengen Inproceedings
In: Mensch & Computer 2009: Grenzenlos frei!?, Interdisziplinäre Fachtagung, Berlin, Germany, September 6-9, 2009, pp. 415–418, Oldenbourg Verlag, 2009.
Ein Blick in die Wolken: Visuelle Exploration von Tag Clouds Inproceedings
In: Mensch & Computer 2009: Grenzenlos frei!?, Interdisziplinäre Fachtagung, Berlin, Germany, September 6-9, 2009, pp. 303–312, Oldenbourg Verlag, 2009.
RelFinder: Revealing Relationships in RDF Knowledge Bases Inproceedings
In: Semantic Multimedia, 4th International Conference on Semantic and Digital Media Technologies, SAMT 2009, Graz, Austria, December 2-4, 2009, Proceedings, pp. 182–187, Springer, 2009.
Exploring Relationships between Annotated Images with the ChainGraph Visualization Inproceedings
In: Semantic Multimedia, 4th International Conference on Semantic and Digital Media Technologies, SAMT 2009, Graz, Austria, December 2-4, 2009, Proceedings, pp. 16–27, Springer, 2009.
Social Aspects in Software Engineering Inproceedings
In: Software Engineering 2009 - Workshopband, Fachtagung des GI-Fachbereichs Softwaretechnik 02.-06.03.2009 in Kaiserslautern, pp. 239–242, GI, 2009.
Collaboration and Knowledge Sharing in Software Development Teams (SOFTEAM 2009) Inproceedings
In: Software Engineering 2009: Fachtagung des GI-Fachbereichs Softwaretechnik 02.-06.03. 2009 in Kaiserslautern, pp. 209–210, GI, 2009.
A Web Platform for Social Requirements Engineering Inproceedings
In: Software Engineering 2009 - Workshopband, Fachtagung des GI-Fachbereichs Softwaretechnik 02.-06.03.2009 in Kaiserslautern, pp. 309–315, GI, 2009.
Entdecken und Explorieren von Zusammenhängen im Semantic Web (Discovering and Exploring Relationships in the Semantic Web) Journal Article
In: i-com, vol. 8, no. 3, pp. 33–39, 2009.
Liebe Leserinnen und Leser! Journal Article
In: i-com, vol. 8, no. 3, pp. 3–4, 2009.