Our team

The ODI Node Vienna is a joint activity of Semantic Web Company (SWC), Danube University Krems (DUK), Technical University of Vienna (TU) and University of Economics Vienna (WU).

The Semantic Web Company GmbH (SWC) is a technology and software provider located in Vienna, Austria. SWC offers consulting and professional services as well as software solutions for semantic information- and data management. Core of SWCs activities is A) the self-developed software product PoolParty Semantic Suite (see: http://www.poolparty.biz) that is used by a continuously growing number of customers in Europe, US & Canada and Australia, B) consulting and professional services (implementation services) around the topics of semantic web, semantic technologies and linked (open) data (LOD) & Open Data and C) the design, specification and realisation of web-based information-, knowledge and data portals and tools. SWC is serving customers in the fields of A) industry and economy (pharmacy, finance & insurance industry, education, consulting and automotive industry), as well as B) governmental organisation / public administration (national and international) and C) NGOs and NPOs (international).

Martin Kaltenböck (M) is co-founder and managing partner of the Semantic Web Company and as CFO responsible for financial and organisational issues. He leads and works in several national and international research, industry and projects in public administration – mainly in the areas of project management, requirements engineering and communication activities. Martin is Certified Management Consultant since 2006, member of the Executive Board of the Austrian Chapter of the Open Knowledge Foundation (OKFN) as well as Member of the Advisory Council of the Open Knowledge (Foundation, UK) and invited expert of the governmental Cooperation OGD Austria. He is working as invited expert of W3C and is member of the Steering Board of the European Data Forum that he chaired in 2014.


Danube University Krems, Department for E- Governance and Administration is a leading multidisciplinary Austrian competence centre for education and research in law, organisational theory and ICT. Research and studies investigate emerging trends and phenomena at the intersection of humans and technology. Our premier partners are public administrations in their quest for more effective and accountable policy making harnessing the intellectual capabilities of their citizens. We analyse the mechanisms of deliberate participation, identify promising patterns and refine them for public sector reuse. Tangible results create immediate value and relevance.
Our continuing competence has been honoured by various grants received by the federal public administration of Lower Austria, the Austrian state and the European Community. Our partners include, among others, the Austrian Chancellery (BKA), the Austrian Federal Computing Centre (BRZ), the Ministry of Finance and the City of Vienna.

Prof. Peter Parycek is head of Department for for E- Governance and Administration, Danube University Krems. He is Chairman of the Austrian working group “eDemogracy & eParticipation”, founding member of Cooperation Open Government Data Austria, and advisor of the Austrian Open Data Strategy. He is Chairman of the bi-annual international CeDEM Conference and chief editor of EBSCO-ranked JeDEM open access journal. Besides his professional career of heading the Department he is Advisor to the state of Liechtenstein, drafting the E-Government law, E-Government advisor to the canton of Bern where he drafted the eID Law and Organisation Framework and legal aspects work package leader in EU twinning projects.

Johann Höchtl is research fellow at Danube University Krems, Center for E-Governance, Austria. His projects include EU-funded research projects and national grants in the domain of open data, security, data quality/governance and ICT application in public administration. He is IEEE fellow, member of OKFN Austria and member of Cooperation Open Government Data Austria, where he is heading data quality sub working group. Apart from his professional work he is advisor to Macedonia (FYROM) to raise interoperability capabilities among federal ministries and was advisor to the E-Georgia strategy for the public administration.


The Institute for Information Business at  Vienna University of Economics and Business (WU) focuses its research efforts on business process management, knowledge management, and intelligent & scalable data management and the Semantic Web, where we focus both on technological foundations as well as on the economic value of Semantic technologies, Linked Data and Open Data in general. The institute is highly activate in various international collaborations with world-class partners in their fields. In the area of Open Data, besides maintaining WU’s Open Data portal, the WU team is also hosting the Open Data Portal Watch project, a monitoring and quality assessment framework for around 260 Open Data portals and the CSV Engine, a set of services to handle and process CSV files.

Univ.-Prof. Dr. Axel Polleres joined WU in September 2013. Before he worked at TU Vienna, Univ. Innsbruck, Univ. Rey Juan Carlos (Spain), DERI at NUI (Galway, Ireland), and Siemens AG. His research focuses on ontologies, query and rule languages, Semantic Web, Web services, knowledge management, Linked and Open Data and configuration technologies. He has more than 100 scientific publications and has actively contributed to international standardisation efforts in the W3C where he co-chaired the W3C SPARQL working group.

Dr. Jürgen Umbrich graduated in Business Engineering from the University of Karlsruhe in Germany (Dipl.-Inf.) in 2008 and holds a PhD degree from the Digital Enterprise Research Institute at the National University Ireland, Galway since 2012. His PhD topic was centred around efficient query processing over evolving data on the Web, his current research revolves around scalable infrastructures for archiving and processing (open) data, detecting changes and trends. Before he joined the WU, he worked one year as a postdoctoral researcher at Fujitsu Ireland in Galway exploiting the benefits of Linked Data for enterprise applications.


The  Information and Software Engineering Group at the Vienna University of Technology (TU Wien) has been engaged in Open Data research activities for many years. It has established a dedicated Linked Data Lab centred around Open Data research topics, particularly in the area of Linked Open Data (LOD). A key goal of the research conducted in the Lab is to enable members of the general public to access and make use of open data. This has resulted in various tools and prototypes, such as the Lab’s Linked Widgets Mashup Platform.

Univ.-Prof. Dr. A Min Tjoa has been a full professor and director of the Institute of Software Technology and Interactive Systems at the Vienna University of Technology since 1994. He has been a visiting professor at the Universities of Zurich, Kyushu and Wroclav and at the Technical Universities of Prague and Lausanne. He received honorary doctoral degrees (Dr. h. c.) from the Czech Technical University in Prague and the honorary professor degree of the University of Hue (Vietnam). Prof. Tjoa has published more than 200 peer reviewed articles in journals and conferences, many of them on Open Data related subjects. He has served as chairman of several international conferences and has been member of the Executive Committee and Honorary Secretary of the International Federation of Information Processing (IFIP), the Austrian National Coordinator and president of the ASEA-UNINET (ASEAN-European University Network) and the vice-chairperson of the DEXA Association (Database and Expert System Applications). Since 2008, he has also been the Austrian delegate at the Committee of Science and Technology for Development (CSTD) of the United Nations (UNCTAD).

Elmar Kiesling is currently the head of the Linked Data Lab. He joined the Vienna University of Technology as a postdoctoral researcher in 2012 after completing his PhD in Management Science at the University of Vienna. He has contributed numerous publications in a wide range of research areas, including Operations Research, Simulation, Decision Analysis, Security, and Innovation. His current research focus is on Linked Open Data integration.

The Linked Data Lab’s student staff currently consists of five PhDs as well as a number of Master students with a diverse background, who all share an enthusiasm for Linked and Open Data.