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 The profile below reflects the status at the point of his departure and is no longer updated.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
2020
Accessibility and Personalization in OpenCourseWare : An Inclusive Development Approach Inproceedings
In: 20th IEEE International Conference on Advanced Learning Technologies, ICALT 2020, Tartu, Estonia, July 6-9, 2020, pp. 279–283, IEEE, 2020.
An OER Recommender System Supporting Accessibility Requirements Inproceedings
In: ASSETS '20: The 22nd International ACM SIGACCESS Conference on Computers and Accessibility, Virtual Event, Greece, October 26-28, 2020, pp. 57:1–57:4, ACM, 2020.
Demonstration of a Customizable Knowledge Graph Visualization Framework Inproceedings
In: Proceedings of the ISWC 2020 Demos and Industry Tracks: From Novel Ideas to Industrial Practice co-located with 19th International Semantic Web Conference (ISWC 2020), Globally online, November 1-6, 2020 (UTC), pp. 104–109, CEUR-WS.org, 2020.
2019
Demonstration of a Customizable Representation Model for Graph-Based Visualizations of Ontologies -- GizMO Inproceedings
In: ISWC 2019 Posters and Demos, 2019.
Visualization and interaction for ontologies and linked data - Editorial Journal Article
In: J. Web Semant., vol. 55, pp. 145–149, 2019.
2018
A Framework to Conduct and Report on Empirical User Studies in Semantic Web Contexts Inproceedings
In: Knowledge Engineering and Knowledge Management - 21st International Conference, EKAW 2018, Nancy, France, November 12-16, 2018, Proceedings, pp. 567–583, Springer, 2018.
MultiCloud: Interactive Word Cloud Visualization for the Analysis of Multiple Texts Inproceedings
In: Proceedings of the 44th Graphics Interface Conference, Toronto, Canada, May 8-11, 2018, pp. 34–41, ACM, 2018.
Automatic Generation of Multiple Choice Questions from Slide Content using Linked Data Inproceedings
In: Proceedings of the 8th International Conference on Web Intelligence, Mining and Semantics, WIMS 2018, Novi Sad, Serbia, June 25-27, 2018, pp. 32:1–32:8, ACM, 2018.
Ontology visualization methods and tools: a survey of the state of the art Journal Article
In: Knowledge Eng. Review, vol. 33, pp. e10, 2018.
2017
Hierarchy-based projection of high-dimensional labeled data to reduce visual clutter Journal Article
In: Comput. Graph., vol. 62, pp. 28–40, 2017.
2016
Monitoring and Automating Factories Using Semantic Models Inproceedings
In: Semantic Technology - 6th Joint International Conference, JIST 2016, Singapore, Singapore, November 2-4, 2016, Revised Selected Papers, pp. 315–330, Springer, 2016.
Visual monitoring of process runs: An application study for stored procedures Inproceedings
In: 2016 IEEE Pacific Visualization Symposium, PacificVis 2016, Taipei, Taiwan, April 19-22, 2016, pp. 160–167, IEEE Computer Society, 2016.
Extraction and Visualization of TBox Information from SPARQL Endpoints Inproceedings
In: Knowledge Engineering and Knowledge Management - 20th International Conference, EKAW 2016, Bologna, Italy, November 19-23, 2016, Proceedings, pp. 713–728, 2016.
Visual Clutter Reduction through Hierarchy-based Projection of High-dimensional Labeled Data Inproceedings
In: Proceedings of the 42nd Graphics Interface Conference, Victoria, BC, Canada, 1-3 June 2016, pp. 109–116, ACM, 2016.
Visual Analysis of Character and Plot Information Extracted from Narrative Text Inproceedings
In: Computer Vision, Imaging and Computer Graphics Theory and Applications - 11th International Joint Conference, VISIGRAPP 2016, Rome, Italy, February 27-29, 2016, Revised Selected Papers, pp. 220–241, Springer, 2016.
Visual Analytics for Narrative Text - Visualizing Characters and their Relationships as Extracted from Novels Inproceedings
In: Proceedings of the 11th Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2016) - Volume 2: IVAPP, Rome, Italy, February 27-29, 2016, pp. 29–40, SciTePress, 2016.
Workshop Summary Inproceedings
In: Proceedings of the Second International Workshop on Visualization and Interaction for Ontologies and Linked Data co-located with the 15th International Semantic Web Conference, VOILA@ISWC 2016, Kobe, Japan, October 17, 2016, pp. 1–4, CEUR-WS.org, 2016.
OntoBench: Generating Custom OWL 2 Benchmark Ontologies Inproceedings
In: The Semantic Web - ISWC 2016 - 15th International Semantic Web Conference, Kobe, Japan, October 17-21, 2016, Proceedings, Part II, pp. 122–130, 2016.
LD-VOWL: Extracting and Visualizing Schema Information for Linked Data Endpoints Inproceedings
In: Proceedings of the Second International Workshop on Visualization and Interaction for Ontologies and Linked Data co-located with the 15th International Semantic Web Conference, VOILA@ISWC 2016, Kobe, Japan, October 17, 2016, pp. 120–127, CEUR-WS.org, 2016.
Visualizing ontologies with VOWL Journal Article
In: Semantic Web, vol. 7, no. 4, pp. 399–419, 2016.
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: Informatik 2011: Informatik schafft Communities, Beiträge der 41. Jahrestagung der Gesellschaft für Informatik e.V. (GI), 4.-7.10.2011, Berlin, Deutschland (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.