Contact info:

Professor Gregoris Mentzas

School of Electrical and Computer Engineering

National Technical University of Athens

9 Iroon Polytechniou street

Zografou 15780




Mail:  gmentzas AT

Tel:   +30-210-772-3895

Fax:  +30-210-772-4042

Gregoris Mentzas

Professor, Management Information Systems

School of Electrical and Computer Engineering

National Technical University of Athens


I am a Professor of Management Information Systems at the School of Electrical and Computer Engineering of the National Technical University of Athens (NTUA), where I lead the Information Management Unit (IMU), a multidisciplinary research unit at the University.


My research activities concern knowledge management, social computing and e-service technologies.


·         “Official” web page at the university site

·         Web page at the IMU site

·         Research projects at the IMU site

·         Publications at the IMU site

·         Blog (in Greek – old stuff!)


Magazine on Social Computing


Google scholar page


Papers at DBLP


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Biographical Sketch

Gregoris Mentzas is full Professor of Management Information Systems, School of Electrical and Computer Engineering, National Technical University of Athens and Director of the Information Management Unit (IMU), a multidisciplinary research unit at the University. His area of expertise is information technology management and his research concerns knowledge management, semantic web and social computing in e-government and e-business settings. He has published 4 books and more than 200 papers in international peer-reviewed journals and conferences, has 2 best papers awards in the ICE and eGov conferences, sits on the editorial board of five international journals and has served as (co-)Chair or Program Committee Member in more than 55 international conferences. Gregoris has led or contributed in 35 European research and development projects conducted in collaboration with SAP, IBM, HP, Siemens, France Telecom, ATOS and other leading technology firms. Research carried out by his group has led to the establishment of three internet technology companies. He has acted as grant evaluator and/or external reviewer in information technology programs funded by donors such as the European Commission, the Swiss National Science Foundation, the Austrian Science Fund and the Cyprus Research Promotion Foundation. His experience includes twelve years of management consulting in corporate strategy and information systems strategy. He holds a Diploma Degree in Engineering (1984) and a Ph.D. in Operations Research and Information Systems (1988) both from NTUA. During 2006-2009 he served as member of the Board of Directors of the Institute of Communication and Computer Systems of NTUA.


In 1997 Prof. Mentzas established, and has since been leading, the Information Management Unit (IMU,, a research laboratory at the National Technical University of Athens.

-          The mission of IMU is to enable the development of knowledge-driven organisations. IMU focuses on technological research in the areas of: knowledge & semantic technologies; service and process engineering; and decision management, while the major application domains are within the domains of: digital enterprise systems; electronic governance systems; and collaborative and social systems.

-          IMU is a member of STI International, a collaborative association of scientific, industrial and government parties which share the vision of establishing semantics in modern computer engineering and of the Networked European Software and Systems Initiative (NESSI), the European Technology platform dedicated to Software and Services.

-          Since its establishment IMU has actively contributed in thirty five (35) research and development projects: twenty eight (28) of these projects were successfully completed during the 1997-2010 period, while seven (7) projects are active during the 2011-2014 period. The total funding from research grants administered by IMU since 1997 exceeds 8.0 million euros.

Papers and Citations

He has published 4 books and more than 200 papers in international peer-reviewed journals and conferences. A detailed list of publications can be found at, while a partial list is given by DBLP. Google Scholar estimates 1,175 citations and an h-index of 19 while Elsevier's Scopus finds 354 citations (excluding self citations) and an h-index of 9 (June 2012).

Teaching Experience

Prof. Mentzas is responsible for the following courses at the School of Electrical and Computer Engineering:

-          Management of the Digital Enterprise (8th semester)

-          Project Management (9th semester course)

-          Management Game (9th semester course)

-          Strategic Information Systems Management (given within the PhD program of the School)

-          Project Management (within the post-graduate programme "Engineering-Economic Systems).

In the past he has taught on e-business and e-government topics in post-graduate programs in Greece (the Athens MBA programme and the Energy Management programme) and lectured in seminars abroad (Germany, UK, Denmark, Africa and Bulgaria).

Supervision of theses

Prof. Mentzas has supervised more than 40 diploma theses. Under his supervision 12 PhD theses have been completed and 5 are currently in progress, as follows:

-          "Supporting Virtual Consortia Formation over the Web", Christos E. Halaris (December 2000)

-          "Development of Methods and Systems for Corporate Knowledge Management", Dimitris Apostolou (March 2002)

-          "Design and Implementation of a Collaboration Management System", Georgia Bafoutsou (March 2002)

-          "Ontology-based Knowledge Management in Knowledge-intensive Business Processes", Spyros Ntioudis (September 2005)

-          "Knowledge Services: A Semantic Web Services Environment ", Panos Georgolios (December 2005)

-          "Inter-organisational Workflow Management Systems", Giannis Verginadis, (February 2006)

-          "A Semantic Competence Management System ", Fotis Draganidis (June 2009)

-          "Adaptive Evaluation of Electronic Services: An e-Government Case" Babis Magoutas (April 2010)

-          "Social Computing with Information Markets" Efthimios Bothos (January 2011)

-          "Autonomous Network Service Delivery" Panagiotis Gouvas (April 2011)

-          "Semantic Knowledge Management in Software Development " Dimitris Panagiotou (May 2011)

-          "Evaluation of E-Government Service Quality" Xenia Papadomichelaki (June 2011)

-          "Knowledge Management in e-Health with Adaptive Clinical Pathways" Dimitris Alexandrou (in progress)

-          "Event-driven Adaptive Collaboration in Business Ecosystems" Nikos Papageorgiou (in progress)

-          "Probabilistic Topic Models in Recommender Systems" Konstantinos Christidis (in progress)

-          "Group Preference Aggregation in Multi-criteria Decision Making" Yannis Patiniotakis (in progress)

-          "Recommending experts in Open Source Software Development Communities" Fotis Paraskevopoulos (in progress)

Academic and industrial collaborations

Prof. Mentzas has collaborated in research projects with academic institutions such as the University of Sheffield, University of Coventry, Loughborough University, INSEAD, ESADE Business School, German Research Center for Artificial Intelligence (DFKI), the University of St Gallen, Bremen University, Luleå University of Technology, Université Paris IX Dauphine, Technical University of Munich, Universitat Politècnica de Catalunya, Arizona State University, Telematica Instituut, University of Karlsruhe, CIMRU, University of Aachen, London School of Economics, Politecnico di Milano, University of Brighton, University of Sunderland Fraunhofer Gesellschaft and FZI.

He has also collaborated with industrial organisations like SAP AG, IBM, HP, Siemens, Orange, BT, France Telecom, EADS, FIAT, VTT, Tom Tom, Sema Group, ATOS, COWI, CARSA, TXT e-solutions, Gruppo Formula, Alfamicro, OpenGroup, SINTEF, CAS Software, Cézanne, UBS, Empolis, TWI, Indra Systemas, Gooch Webster, Knowledge Associates, Netguide, Tradezone and DHC.

Editorial activities

Prof. Mentzas serves on the editorial board of the following journals:

-          Area Editor of the International Journal of Knowledge-Based Organizations (IJKBO)

-          Associate Editor of the International Journal of Electronic Government (EG)

-          Associate Editor of the International Journal of Learning and Intellectual Capital (IJLIC)

-          Associate Editor of the International Journal of Innovation and Learning (IJIL)

-          Associate Editor of the International Journal of Cases on Electronic Commerce (IJCEC)

Membership in conference committees

He has been Program Committee Member in more than 55 international conferences. Recent appointments include the following:

·         2012:  Extended Semantic Web Conference 2012 (ESWC 2012), Joint Conference of IFIP EGOV 2012 and IFIP ePart 2012, 7th International Workshop on Semantic Business Process Management, ACM Conference on Multimedia (ACM MM)

·         2011: 5th International Workshop on event-driven Business Process Management (edBPM), 4th International Workshop on Social Software Engineering (SSE'11), 3rd International Conference on Intelligent Decision Technologies, 5th International Conference on Methodologies, Technologies and Tools enabling e-Government, 10th IFIP e-government conference (EGOV).

·         2010: 2nd KES International Symposium on Intelligent Decision Technologies, International IFIP e-government conference, 11th IFIP Working Conference on Virtual Enterprises, Sixth Conference on Prestigious Applications of Intelligent Systems (PAIS) collocated to ECAI 2010, 4th International Conference on Methodologies, Technologies and Tools enabling e-Government.

·         2009: WM2009 Workshop: Knowledge Services and Mashups (KSM09), AAAI Spring Symposium 2009 on Intelligent Event Processing, 8th International EGOV Conference, 3rd International Conference on Advances in Semantic Processing, eChallenges e-2009 Conference, 4th Mediterranean Conference on Information Systems, 10th IFIP Working Conference on Virtual Enterprises, 1st International Workshop on Technologies for the Networked Enterprise (NetE'09), 2nd International Workshop on Managing Requirements Knowledge (MaRK’09). 

Research achievements in the last 10 years

Best paper awards:

-          The paper "A Socially Intelligent Approach for Enterprise Information Search and Recommendation" by K. Christidis, D. Apostolou and G. Mentzas, received the “Best Paper Award”, 18th International ICE-Conference on Engineering, Technology and Innovation, 18 - 20 June 2012, Munich..

-          The paper "Refinement, Validation and Benchmarking of a Model for E-Government Service Quality”, by B. Magoutas and G. Mentzas, received the "Best Paper Runner Up" award in the EGOV 2009 international conference, Linz, Austria, September 1-3, 2009.

Chair or co-chair of conferences, workshops and journal special issues:  

-          Co-chair of the 1st International Workshop on Socially Intelligent Computing (SINCOM 2012), part of the OnTheMove OTM Federated Conferences (OTM'12) Rome, Italy, 13 - 14 Sept. 2012.

-          Co-editor of Special Issue of IEEE Intelligent Systems on “Transforming E-government and E-participation through IT”, IEEE Intelligent Systems, September/October 2009.

-          Co-chair of AAAI Spring Symposium 2009 on Intelligent Event Processing.

-          Co-chair of the workshop “Analysing eParticipation Contributions”, within the 8th Annual International Digital Government Research Conference, May 20-23 2007, Philadelphia, USA.

-          Chair of the workshop “Towards Semantic Interoperability in eHealth”, on 12 March 2007 in Brussels, organised under the auspices of the European Commission's ICT for Ciizens and Business Unit H1.

-          Co-chair of workshop on “Knowledge, Learning and Innovation Management” within the 22nd European Conference on Operational Research, 8-11 July 2007, Prague.

-          Chair of workshop on “Knowledge and Semantic Technologies for eParticipation” within the DemoNet Network of Excellence, 5 December 2006 in Athens, Greece.

-          Co-chair of workshop on “Semantic Web and Enterprise Application Integration”, organised under the auspices of the European Commission's ICT for Enterprise Networking Unit, 21/9/06, Brussels.

-          Co-chair of the workshop on “Semantic Web and eGovernment”, 3rd Annual European Semantic Web Conference, Budva, Montenegro from the 11th - 14th June.

-          Co-chair of the “1st International Symposium on the Semantic Web and eGovernment”, AAAI Spring Symposium Series at Stanford University, USA, March 27-29, 2006.

Ad hoc review of journal papers: Prof. Mentzas has been and/or currently is a reviewer in the following journals:

-          IEEE Intelligent Systems, Information Systems

-          IEEE Internet Computing

-          Expert Systems, Internet Research

-          International Journal of Semantic Web and Information Systems

-          Decision Support Systems

-          Knowledge Management Research and Practice

-          Electronic Government

-          Journal of Systems and Software

-          Simulation

-          Journal of Electronic Commerce Research

-          International Journal of Electronic Business

-          International Journal of Internet and Enterprise Management

-          Journal of Innovation and Learning

-          Journal of Learning and Intellectual Capital

-          Journal of Business Management

-          Quarterly Journal of Electronic Commerce

-          Journal of Cases on Electronic Commerce

-          Journal of Global Information Management

-          International Transactions in Operations Research

-          Computers and Industrial Engineering

-          European Journal of Information Systems

-          International Journal of Manufacturing Technology & Management.

Review of research projects. Prof. Mentzas has been an external reviewer monitoring and evaluating the research progress of nine (9) large-scale cooperative research projects funded by the European Commission in the following research areas:

-          Virtual Factories and Enterprises (one project, 2010-2012)

-          Semantic web information systems (two projects, 2004-2006 and 2008-2010)

-          Knowledge management (one project, 2006-2009)

-          Internet of services (two projects, 2007-2010)

-          E-government and e-participation (three projects, 2007-2012)

Grant Evaluator. Prof. Mentzas has been invited as a grant evaluator within the following research programs:

-          Information Society Technologies (IST) programme of the European Commission under the following action lines: “Knowledge Management” (2000-2003), “Intelligent Content & Semantics” (2007-2010), “Virtual Factories and Enterprises" (2011).

-          Research programs funded by the Swiss National Science Foundation (Fonds National Suisse de la Recherche Scientifique).

-          Research programs funded by the Austrian Science Fund (Fonds zur Förderung der wissenschaftlichen Forschung, FWF), topic: Information Society.

-          Research programs funded by the Cyprus Research Promotion Foundation (RPF), topic: Information Society.

Invited Talks. Prof. Mentzas has been invited as a keynote speaker both in conferences and workshops, as well as in consultation meetings for the development of future research funding directions. Indicative invitations include the following

-          Workshop on "Translating Knowledge into Growth: Views from ICT Research to Support Future Business Innovation", organised on May 9th, 2012 by the European Commission's Future Internet Enterprise Systems (FInES) cluster of the Future Internet Week at Aalborg, May 7-11, 2012.

-          7th Global Forum on Reinventing Government: Building Trust in Government, 26 – 29 June 2007.

-          European Commission-organised consultation on eGovernment Research Challenges (Brussels, 2004),

-          eGovernment Research Advisory Workshop “Research Challenges for the Future of e-government” (Brussels, 2003).

-          Workshop on Knowledge Management Made in Europe (Copenhagen, 2002).

-          International Conference on “Knowledge Management and e-Learning” (Florence, 2002).

-          Workshop on “Knowledge Management and Technologies” (Brussels 2002).

-          "Technology days on Knowledge and Statistics" organised by Eurostat (Luxembourg, 2001).

-          European Commission-organised consultation on “Future of Organisations and Knowledge Management”, Brussels, 2000.

-          European Commission-organised workshop “Towards multi-skilled and Knowledge-intensive tomorrow’s manufacturing enterprise”, Brussels, 2000.

Impact of research results: Research results of ours in the form of open source software are currently, or have been in the past, used by various organisations and communities. Recent cases include the following:

-          The STARDOM (Software Developer Compentency Profiler) software that builds a developer’s competence model within a project (using information from sources such as source control management systems and issue tracking systems, as well as mailing lists, blog posts and forums) is used by: the KDE open source developer community; the Petals Link open source company; and the Morfeo open source software community.

-          The Organik environment, a semantic enterprise social software system, which includes functionalities such as recommendations, semantic text analyser, and a collaborative filtering engine, has been used by: the Language Technology Centre, a UK-based SME providing translation services; LeserAuskunft, a German digital content provider for subscribing clients; and Syria Informatica, an Italian IT company.

-          The Collaboration Patterns Assistant (CPA) software framework that supports pattern-based collaborations among dispersed teams was used by: TANET, a UK-based network of co-operating companies, technology centres and business partners; and Douglas Connect, a knowledge management company active in life sciences.

-          The IDEM (Idea Market) software, an information aggregation market especially developed for innovation and idea management, has been used by: SAP Inspire, the corporate venturing department of SAP; by the European Commission in the context of a public consultation on "ICT enabling energy efficiency"; and by the German State of Bremen in an evaluation of policy options for refactoring the ‘Bible history’ class in Bremen schools.

-          The SEAP (Semantic Annotation and Profiling) tool, which allows ontology-based web service matching has been used by SAP Research for semantic and dynamic data mediation across applications.

-          The SPONGE (Semantic Personal Ontology-based Gadget) software tool, that supports personal and group information and knowledge management, has been used by TMI, the leading global consulting and training organization.


Last Modified: Monday, 02-July-2012