Prof. Dr. Dr. Dietmar Janetzko

Phone: +49 (0) 221 931809-842
Fax: +49 (0) 221 931809-20

Professor of Information Systems and Business Process Management



Doctorate at the Institut für Informatik und Gesellschaft [Institute for Computer Science and Society] at the Albert-Ludwigs University, Freiburg with the subject "Knowledge Tracking - A method to analyze Cognitive Structures". Qualification: Dr. phil. Second doctorate at the Chair for Education Science at the Technical University Kaiserslautern about a computer model for motivation in adult education. Qualification: Dr. phil.

Degree course in Psychology (Freiburg, Bochum), Protestant Theology (Bochum) and Computer Science (Open University of Hagen). Core subjects: Methodology/Statistics, Cognitive Science, Online Research  
Qualification: Dipl.Psych. [Graduate Psychologist]

Teaching experience and academic positions

Lecturer of Computer Science at the National College of Ireland in Dublin / Ireland.

University Assistant at the Institut für Informatik und Gesellschaft at the Albert-Ludwigs-Universität Freiburg

Academic Employee at the Chair for Psychology of Information processing at the Psychological Institute of Ruhr University, Bochum.

Guest Researcher at various German and international universities and research institutes (including the Fakultät für Informatik der technischen Universität Kaiserslautern [Faculty for Informatics of the Technical University Kaiserslautern], Departamento de Informática de la Universida Técnica Federico Santa Maria in Valpariso/Chile, International Institute of Information Technology in Hyderabad/India)

Industry positions

BSR Consulting, Munich
Globalpark AG, Cologne
Heise Verlag (c't), Hannover
Klett-Cotta Verlag, Stuttgart
Broadridge Financial Solutions, Hyderabad (India)


Peer-Refereed Journals
Janetzko, D. (1994). Metaphorische Invention und semantische Innovation [Metaphorical Invention and semantical Innovation]. Sprache & Kognition [Language & Cognition], 2, 75-89.

Janetzko, D. (2001). Processing raw data both the qualitative and quantitative way. Forum Qualitative Social Research. www. qualitative- research. net/fqs-texte/1-01/1-01janetzko-e. htm.

Janetzko, D. (2007). Authoring of Units of Learning via Dialogue Systems. Journal of Computers, 2(2), 45-52.

Janetzko, D. (2009). Objectivity, Reliability, and Validity of Search Engine Count Estimates. International Journal of Internet Science, 3(1), 5-31.

Janetzko, D., & Fischer, F. (2003). Analyzing sequential data in computer- supported collaborative learning. Educational Computing Research, 28(4), 343-354.

Schoder, D., & Janetzko, D. (1998). Bots. Wirtschaftsinformatik, 40(4), 341- 343.

Peer-Refereed Proceedings
Janetzko, D. (1998). Tracking Cognitive Representations. In M. M. Gernsbacher & S. J. Derry (Eds.), Proceedings of the Twentieth Annual Conference of the Cognitive Science Society (p. 1865-1872). Mahwah, NJ: Lawrence Erlbaum Associates.

Janetzko, D. (2000). Using Markov Chains to Track Cognitive Representations. In Proceedings of the 8th International Conference on Information Processing and Management of Uncertainty in Knowledge Based Systems (IPMU 2000). Madrid, July 3-7 (p. 1865-1872).

Janetzko, D. (2006). Dialogue-based authoring of units of learning. In L. T. Kinshuk, R. Koper, P. Kommers, P. Kirschner, D. G. Sampson, & D. W. (Eds.), ICALT 2006: Proceedings of the Sixth IEEE International Conference on Advanced Learning Technologies (pp. 436-440). Washington, DC, USA: IEEE Computer Society.

Janetzko, D. (2007). Using Questions instead of Answers for Assessment - An Edumetric Approach. In A. Efklides & M. Dikaiou (Eds.), 9the European Conference on Psychological Assessment (9th ECPA), Thessaloniki, Greece, 3-6 May 2007.

Janetzko, D., Cherfi, H., Kennke, R., Napoli, A., & Toussaint, Y. (2004). Knowledge-based selection of association rules for text mining. In Proceedings of the 16th European Conference on Artificial Intelligence, ECAI 2004, Valencia, Spain, August 22-27, 2004 (p. 485-489).

Janetzko, D., & Strube, G. (1992). Case-based reasoning and model-based knowledge-acquisition. In F. Schmalhofer, G. Strube, & T. Wetter (Eds.), Contemporary knowledge engineering and cognition: Proc. of the first joint workshop (p. 99-114). Berlin, Heidelberg: Springer.

Janetzko, D., Wess, S., & Melis, E. (1992). Goal-driven similarity assessment. In German Workshop on Artificial Intelligence (GWAI) 1992 (p. 283-298). Berlin: Springer. Available from

O'Sullivan, N., & Janetzko, D. (2006). On the role of Podcats as an educational medium. In The 7th Annual Irish Educationl Technology Users Conferences, Sligo, (EdTech 2006).

Book Chapters
Janetzko, D. (2000). Selecting and generating concept structures. In Knowledge Management - A Micro-Level Approach (pp. 73-90). London: Springer.

Janetzko, D. (2001). Processing raw data both the qualitative and quantita- tive way. Forum Qualitative Social Research. www. qualitative- research. net/fqs-texte/1-01/1-01janetzko-e. htm.

Janetzko, D. (2002a). Artificial Dialogues - Dialogue and Interview Bots for the World Wide Web. In B. Batinic, U. Reips, & M. Bosnjak (Eds.), Online social sciences (pp. 357-364). Göttingen, Germany: Hogrefe & Huber.

Janetzko, D. (2002b). Und was bringt uns das? Grundlagen der Evaluation des Lernens im Internet [Evaluation of Learning on the Internet]. In U. Scheffer & F. Hesse (Eds.), E-Learning - Die Revolution des Lernens gewinnbringend einsetzen (pp. 101-116). Stuttgart: Klett-Cotta.

Janetzko, D. (2007). Non-reactive data collection on the Internet. In N. Fielding, R. M. Lee, & G. Blank (Eds.), Handbook of internet and online research methods (pp. 161-173). London: Sage Publications.

Janetzko, D. (2008). Die Rolle der Medien in der Politik [The role of media in politics]. In B. Batinic (Ed.), Medienpsychology [media psychology] (pp. 293-312). Berlin: Springer.

Janetzko, D., & Strube, G. (2000). Knowledge Tracking - Eine neue Methode zur Diagnose von Wissensstrukturen [Knowlege Tracking - A new Method to Diagnose Knowledge]. In H. Mandl & F. Fischer (Eds.), Wissen sichtbar machen (visualisation of knowledge) (p. 199-217). Göttingen: Hogrefe.

Janetzko, D. (1996). Knowledge tracking - a method to analyse cognitive structures. Doctoral dissertation, University of Freiburg (Germany). Institute of Computer Science and Social Research.

Janetzko, D. (1999). Statistische Anwendungen im Internet. In Netzumgebungen Daten erheben, auswerten und präsentieren. [Statistitical Data Collection on the Internet]. München, Germany: Addison-Wesley.

Janetzko, D. (2007). Eigenlogik - Zur Rolle subjektiver Theorien bei der Bildungsmotivation [Following one's own logic - Assessing motivation among adult learners]. Münster: Waxmann.

Janetzko, D., Hildebrandt, M., & Meyer, H. A. (Eds.). (2002). Das experimentalpsychologische Praktikum im Labor und WWW [Designing Psychological Experiments both for the Lab and the Web]. Göttingen, Germany: Hogrefe.


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