Dr. Steffen Lohmann

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 The profile below reflects the status at the point of his departure and is no longer updated.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


Publications

125 entries « 1 of 3 »

2020

Elias, Mirette; Tavakoli, MohammadReza; Lohmann, Steffen; Kismihók, Gábor; Auer, Sören

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.

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Elias, Mirette; Ruckhaus, Edna; Draffan, E. A.; James, Abi; Suárez-Figueroa, Mari Carmen; Lohmann, Steffen; Khiat, Abderrahmane; Auer, Sören

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.

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Khiat, Abderrahmane; Halilaj, Lavdim; Hemid, Ahmad; Lohmann, Steffen

VoColReg: A Registry for Supporting Distributed Ontology Development using Version Control Systems Inproceedings

In: IEEE 14th International Conference on Semantic Computing, ICSC 2020, San Diego, CA, USA, February 3-5, 2020, pp. 393–399, IEEE, 2020.

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Wiens, Vitalis; Lohmann, Steffen

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.

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2019

Wiens, Vitalis; Galkin, Michael; Lohmann, Steffen; Auer, Sören

Demonstration of a Customizable Representation Model for Graph-Based Visualizations of Ontologies - GizMO Inproceedings

In: Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations, Industry, and Outrageous Ideas) co-located with 18th International Semantic Web Conference (ISWC 2019), Auckland, New Zealand, October 26-30, 2019, pp. 225–228, CEUR-WS.org, 2019.

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Bader, Sebastian R.; Grangel-González, Irlán; Tasnim, Mayesha; Lohmann, Steffen

Structuring the Industry 4.0 Landscape Inproceedings

In: 24th IEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2019, Zaragoza, Spain, September 10-13, 2019, pp. 224–231, IEEE, 2019.

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Hemid, Ahmad; Halilaj, Lavdim; Khiat, Abderrahmane; Lohmann, Steffen

RDF Doctor: A Holistic Approach for Syntax Error Detection and Correction of RDF Data Inproceedings

In: Proceedings of the 11th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management, IC3K 2019, Volume 2: KEOD, Vienna, Austria, September 17-19, 2019, pp. 508–516, ScitePress, 2019.

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Wiens, Vitalis; Lohmann, Steffen; Auer, Sören

GizMO - A Customizable Representation Model for Graph-Based Visualizations of Ontologies Inproceedings

In: Proceedings of the 10th International Conference on Knowledge Capture, K-CAP 2019, Marina Del Rey, CA, USA, November 19-21, 2019, pp. 163–170, ACM, 2019.

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Bader, Sebastian R.; Maleshkova, Maria; Lohmann, Steffen

Structuring Reference Architectures for the Industrial Internet of Things Journal Article

In: Future Internet, vol. 11, no. 7, pp. 151, 2019.

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Ivanova, Valentina; Lambrix, Patrick; Lohmann, Steffen; Pesquita, Catia

Visualization and interaction for ontologies and linked data - Editorial Journal Article

In: J. Web Semant., vol. 55, pp. 145–149, 2019.

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2018

Grangel-González, Irlán; Halilaj, Lavdim; Vidal, Maria-Esther; Rana, Omar; Lohmann, Steffen; Auer, Sören; Müller, Andreas W.

Knowledge Graphs for Semantically Integrating Cyber-Physical Systems Inproceedings

In: Database and Expert Systems Applications - 29th International Conference, DEXA 2018, Regensburg, Germany, September 3-6, 2018, Proceedings, Part I, pp. 184–199, Springer, 2018.

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Elias, Mirette; James, Abi; Ruckhaus, Edna; Suárez-Figueroa, Mari Carmen; de Graaf, Klaas Andries; Khalili, Ali; Wulff, Benjamin; Lohmann, Steffen; Auer, Sören

SlideWiki - Towards a Collaborative and Accessible Platform for Slide Presentations Inproceedings

In: EC-TEL Practitioner Proceedings 2018: 13th European Conference On Technology Enhanced Learning, Leeds, UK, September 3-6, 2018, CEUR-WS.org, 2018.

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Pesquita, Catia; Ivanova, Valentina; Lohmann, Steffen; Lambrix, Patrick

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.

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John, Markus; Marbach, Eduard; Lohmann, Steffen; Heimerl, Florian; Ertl, Thomas

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.

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Elias, Mirette; James, Abi; Lohmann, Steffen; Auer, Sören; Wald, Mike

Towards an Open Authoring Tool for Accessible Slide Presentations Inproceedings

In: Computers Helping People with Special Needs - 16th International Conference, ICCHP 2018, Linz, Austria, July 11-13, 2018, Proceedings, Part I, pp. 172–180, Springer, 2018.

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Grangel-González, Irlán; Halilaj, Lavdim; Vidal, Maria-Esther; Lohmann, Steffen; Auer, Sören; Müller, Andreas W.

Seamless integration of cyber-physical systems in knowledge graphs Inproceedings

In: Proceedings of the 33rd Annual ACM Symposium on Applied Computing, SAC 2018, Pau, France, April 09-13, 2018, pp. 2000–2003, ACM, 2018.

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Halilaj, Lavdim; Grangel-González, Irlán; Lohmann, Steffen; Vidal, Maria-Esther; Auer, Sören

EffTE: a dependency-aware approach for test-driven ontology development Inproceedings

In: Proceedings of the 33rd Annual ACM Symposium on Applied Computing, SAC 2018, Pau, France, April 09-13, 2018, pp. 1976–1983, ACM, 2018.

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Asmat, Muhammad Rohan Ali; Wiens, Vitalis; Lohmann, Steffen

A Comparative User Evaluation on Visual Ontology Modeling using Node-Link Diagrams Inproceedings

In: Proceedings of the Fourth International Workshop on Visualization and Interaction for Ontologies and Linked Data co-located with the 17th International Semantic Web Conference, VOILA@ISWC 2018, Monterey, CA, USA, October 8, 2018, pp. 25–36, CEUR-WS.org, 2018.

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Wiens, Vitalis; Lohmann, Steffen; Auer, Sören

WebVOWL Editor: Device-Independent Visual Ontology Modeling Inproceedings

In: Proceedings of the ISWC 2018 Posters & Demonstrations, Industry and Blue Sky Ideas Tracks co-located with 17th International Semantic Web Conference (ISWC 2018), Monterey, USA, October 8th - to - 12th, 2018, CEUR-WS.org, 2018.

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Faizan, Ainuddin; Lohmann, Steffen

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.

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Elias, Mirette; Lohmann, Steffen; Auer, Sören

Ontology-Based Representation for Accessible OpenCourseWare Systems Journal Article

In: Inf., vol. 9, no. 12, pp. 302, 2018.

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Dudás, Marek; Lohmann, Steffen; Svátek, Vojtech; Pavlov, Dmitry

Ontology visualization methods and tools: a survey of the state of the art Journal Article

In: Knowl. Eng. Rev., vol. 33, pp. e10, 2018.

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2017

Grangel-González, Irlán; Baptista, Paul; Halilaj, Lavdim; Lohmann, Steffen; Vidal, Maria-Esther; Mader, Christian; Auer, Sören

The industry 4.0 standards landscape from a semantic integration perspective Inproceedings

In: 22nd IEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2017, Limassol, Cyprus, September 12-15, 2017, pp. 1–8, IEEE, 2017.

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Pullmann, Jaroslav; Petersen, Niklas; Mader, Christian; Lohmann, Steffen; Kemény, Zsolt

Ontology-based information modelling in the industrial data space Inproceedings

In: 22nd IEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2017, Limassol, Cyprus, September 12-15, 2017, pp. 1–8, IEEE, 2017.

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Halilaj, Lavdim; Grangel-González, Irlán; Vidal, Maria-Esther; Lohmann, Steffen; Auer, Sören

DemoEffTE: A Demonstrator of Dependency-aware Evaluation of Test Cases over Ontology Inproceedings

In: Proceedings of the Posters and Demos Track of the 13th International Conference on Semantic Systems - SEMANTiCS2017 co-located with the 13th International Conference on Semantic Systems (SEMANTiCS 2017), Amsterdam, The Netherlands, September 11-14, 2017, CEUR-WS.org, 2017.

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Wiens, Vitalis; Lohmann, Steffen; Auer, Sören

Semantic Zooming for Ontology Graph Visualizations Inproceedings

In: Proceedings of the Knowledge Capture Conference, K-CAP 2017, Austin, TX, USA, December 4-6, 2017, pp. 4:1–4:8, ACM, 2017.

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Elias, Mirette; Lohmann, Steffen; Auer, Sören

Ontology-Based Representation of Learner Profiles for Accessible OpenCourseWare Systems Inproceedings

In: Knowledge Engineering and Semantic Web - 8th International Conference, KESW 2017, Szczecin, Poland, November 8-10, 2017, Proceedings, pp. 279–294, Springer, 2017.

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Similea, Alexandra; Petersen, Niklas; Lange, Christoph; Lohmann, Steffen

TurtleEditor 2.0: A Synchronized Visual and Text Editor for RDF Graphs Inproceedings

In: 11th IEEE International Conference on Semantic Computing, ICSC 2017, San Diego, CA, USA, January 30 - February 1, 2017, pp. 286–289, IEEE Computer Society, 2017.

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Fuenmayor, Luis; Collarana, Diego; Lohmann, Steffen; Auer, Sören

FaRBIE: A Faceted Reactive Browsing Interface for Multi RDF Knowledge Graph Exploration Inproceedings

In: Proceedings of the Third International Workshop on Visualization and Interaction for Ontologies and Linked Data co-located with the 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 22, 2017, pp. 111–122, CEUR-WS.org, 2017.

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Petersen, Niklas; Halilaj, Lavdim; Grangel-González, Irlán; Lohmann, Steffen; Lange, Christoph; Auer, Sören

Realizing an RDF-Based Information Model for a Manufacturing Company - A Case Study Inproceedings

In: The Semantic Web - ISWC 2017 - 16th International Semantic Web Conference, Vienna, Austria, October 21-25, 2017, Proceedings, Part II, pp. 350–366, Springer, 2017.

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Herr, Dominik; Han, Qi; Lohmann, Steffen; Ertl, Thomas

Hierarchy-based projection of high-dimensional labeled data to reduce visual clutter Journal Article

In: Comput. Graph., vol. 62, pp. 28–40, 2017.

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Petersen, Niklas; Similea, Alexandra; Lange, Christoph; Lohmann, Steffen

TurtleEditor: A Web-Based RDF Editor to Support Distributed Ontology Development on Repository Hosting Platforms Journal Article

In: Int. J. Semantic Comput., vol. 11, no. 3, pp. 311–324, 2017.

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2016

Petersen, Niklas; Galkin, Michael; Lange, Christoph; Lohmann, Steffen; Auer, Sören

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.

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Meyer, Matthias; Beck, Fabian; Lohmann, Steffen

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.

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Elias, Mirette; Lohmann, Steffen; Auer, Sören

Towards an Ontology-based Representation of Accessibility Profiles for Learners Inproceedings

In: Proceedings of the Second International Workshop on Educational Knowledge Management co-located with 20th International Conference on Knowledge Engineering and Knowledge Management (EKAW 2016), Bologna, Italy, November 19-23, 2016, pp. 51–59, CEUR-WS.org, 2016.

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Grangel-González, Irlán; Collarana, Diego; Halilaj, Lavdim; Lohmann, Steffen; Lange, Christoph; Vidal, Maria-Esther; Auer, Sören

Alligator: A Deductive Approach for the Integration of Industry 4.0 Standards Inproceedings

In: Knowledge Engineering and Knowledge Management - 20th International Conference, EKAW 2016, Bologna, Italy, November 19-23, 2016, Proceedings, pp. 272–287, 2016.

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Halilaj, Lavdim; Petersen, Niklas; Grangel-González, Irlán; Lange, Christoph; Auer, Sören; Coskun, Gökhan; Lohmann, Steffen

VoCol: An Integrated Environment to Support Version-Controlled Vocabulary Development Inproceedings

In: Knowledge Engineering and Knowledge Management - 20th International Conference, EKAW 2016, Bologna, Italy, November 19-23, 2016, Proceedings, pp. 303–319, 2016.

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Weise, Marc; Lohmann, Steffen; Haag, Florian

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.

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Grangel-González, Irlán; Halilaj, Lavdim; Auer, Sören; Lohmann, Steffen; Lange, Christoph; Collarana, Diego

An RDF-based approach for implementing industry 4.0 components with Administration Shells Inproceedings

In: 21st IEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2016, Berlin, Germany, September 6-9, 2016, pp. 1–8, IEEE, 2016.

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Herr, Dominik; Han, Qi; Lohmann, Steffen; Ertl, Thomas

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.

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John, Markus; Lohmann, Steffen; Koch, Steffen; Wörner, Michael; Ertl, Thomas

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.

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John, Markus; Lohmann, Steffen; Koch, Steffen; Wörner, Michael; Ertl, Thomas

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.

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Halilaj, Lavdim; Grangel-González, Irlán; Vidal, Maria-Esther; Lohmann, Steffen; Auer, Sören

Proactive Prevention of False-Positive Conflicts in Distributed Ontology Development Inproceedings

In: Proceedings of the 8th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management (IC3K 2016) - Volume 2: KEOD, Porto - Portugal, November 9 - 11, 2016, pp. 43–51, SciTePress, 2016.

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Halilaj, Lavdim; Grangel-González, Irlán; Vidal, Maria-Esther; Lohmann, Steffen; Auer, Sören

SerVCS: Serialization Agnostic Ontology Development in Distributed Settings Inproceedings

In: Knowledge Discovery, Knowledge Engineering and Knowledge Management - 8th International Joint Conference, IC3K 2016, Porto, Portugal, November 9-11, 2016, Revised Selected Papers, pp. 213–232, Springer, 2016.

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Elias, Mirette; Lohmann, Steffen; Auer, Sören

Fostering Accessibility of OpenCourseWare with Semantic Technologies - A Literature Review Inproceedings

In: Knowledge Engineering and Semantic Web - 7th International Conference, KESW 2016, Prague, Czech Republic, September 21-23, 2016, Proceedings, pp. 241–256, Springer, 2016.

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Ivanova, Valentina; Lambrix, Patrick; Lohmann, Steffen; Pesquita, Catia

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.

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Link, Vincent; Lohmann, Steffen; Haag, Florian

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.

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Weise, Marc; Lohmann, Steffen; Haag, Florian

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.

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Halilaj, Lavdim; Grangel-González, Irlán; Coskun, Gökhan; Lohmann, Steffen; Auer, Sören

Git4Voc: Collaborative Vocabulary Development Based on Git Journal Article

In: Int. J. Semantic Comput., vol. 10, no. 2, pp. 167–192, 2016.

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Lohmann, Steffen; Negru, Stefan; Haag, Florian; Ertl, Thomas

Visualizing ontologies with VOWL Journal Article

In: Semantic Web, vol. 7, no. 4, pp. 399–419, 2016.

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125 entries « 1 of 3 »