Gregoris Mentzas

Gregoris Mentzas, (PhD), is professor of information management at the School of Electrical and Computer Engineering of the National Technical University of Athens (NTUA) and director of the Information Management Unit (IMU), a multidisciplinary research unit at the University. He serves in the Board of Directors of the Institute of Communication and Computer Systems of NTUA (2006-2009). His area of expertise is information technology management and his research concerns the integration of knowledge management, semantic web and e-service technologies, collaboration and workflow management, corporate knowledge management in e-government and e-business settings. He has spoken at conferences and guest seminars worldwide, and is internationally known for his scholarly work in the area of knowledge management and e-government. Dr. Mentzas holds a Diploma Degree in Engineering (1984) and a Ph.D. in Operations Research and Information Systems (1988), both from NTUA. He also was a Visiting Fellow in the UK, in the area of information management systems and business transformation (1996-1997).

Publications

PrEstoCloud: A Novel Framework for Data-Intensive Multi-Cloud, Fog, and Edge Function-as-a-Service Applications
PrEstoCloud: A Novel Framework for Data-Intensive Multi-Cloud, Fog, and Edge Function-as-a-Service Applications
Yiannis Verginadis, Dimitris Apostolou, Salman Taherizadeh, Ioannis Ledakis, Gregoris Mentzas, Andreas Tsagkaropoulos, Nikos Papageorgiou, Fotis Paraskevopoulos. © 2022. 22 pages.
Fog computing extends multi-cloud computing by enabling services or application functions to be hosted close to their data sources. To take advantage of the capabilities of fog...
PrEstoCloud: A Novel Framework for Data-Intensive Multi-Cloud, Fog, and Edge Function-as-a-Service Applications
PrEstoCloud: A Novel Framework for Data-Intensive Multi-Cloud, Fog, and Edge Function-as-a-Service Applications
Yiannis Verginadis, Dimitris Apostolou, Salman Taherizadeh, Ioannis Ledakis, Gregoris Mentzas, Andreas Tsagkaropoulos, Nikos Papageorgiou, Fotis Paraskevopoulos. © 2021. 20 pages.
Fog computing extends multi-cloud computing by enabling services or application functions to be hosted close to their data sources. To take advantage of the capabilities of fog...
Semantic Interfaces for Personal and Social Knowledge Work
Semantic Interfaces for Personal and Social Knowledge Work
Konstantinos Christidis, Niki Papailiou, Dimitris Apostolou, Gregoris Mentzas. © 2013. 18 pages.
A large number of tools has recently emerged supporting information management for individuals in their work context. Semantic technologies play an important role in the...
A Framework for Situation-Aware Adaptation of Service-Based Applications
A Framework for Situation-Aware Adaptation of Service-Based Applications
Ioannis Patiniotiakis, Nikos Papageorgiou, Yiannis Verginadis, Dimitris Apostolou, Gregoris Mentzas. © 2013. 10 pages.
This work presents Situation Action Networks, a new framework for modeling Service-Based Application adaptation triggered by interesting or critical situations. The framework is...
An Analytic Hierarchy Process for the Evaluation of E-Government Service Quality
An Analytic Hierarchy Process for the Evaluation of E-Government Service Quality
Xenia Papadomichelaki, Vicky Koutsouris, Dimitrios Konstantinidis, Gregoris Mentzas. © 2013. 26 pages.
This paper proposes a measurement model for evaluating e-government service quality, and generates quality indicators to assist practitioners in identifying the strong and weak...
Semantic Interfaces for Personal and Social Knowledge Work
Semantic Interfaces for Personal and Social Knowledge Work
Konstantinos Christidis, Niki Papailiou, Dimitris Apostolou, Gregoris Mentzas. © 2011. 17 pages.
A large number of tools has recently emerged supporting information management for individuals in their work context. Semantic technologies play an important role in the...
Semantic Enterprise Application Integration for Business Processes: Service-Oriented Frameworks
Semantic Enterprise Application Integration for Business Processes: Service-Oriented Frameworks
Gregoris Mentzas, Andreas Friesen. © 2010. 302 pages.
The lack of formal semantics of applications and services to be integrated into business processes makes it difficult for software engineers and developers to interconnect...
Dynamic Data Mediation in Enterprise Application Integration Scenarios
Dynamic Data Mediation in Enterprise Application Integration Scenarios
Thanasis Bouras, Panagiotis Gouvas, Gregoris Mentzas. © 2010. 17 pages.
If we try to increase the level of automation in enterprise application integration (EAI) scenarios, we confront challenges related to the resolution of data and message...
A Semantic Service-Oriented Architecture for Business Process Fusion
A Semantic Service-Oriented Architecture for Business Process Fusion
Athanasios Bouras, Panagiotis Gouvas, Gregoris Mentzas. © 2009. 29 pages.
Most enterprises contain several heterogeneous systems, creating a fuzzy network of interconnected applications, services, and data sources. In this emerging business context, a...
Ontology-Based Competency Management for Corporate E-Learning
Ontology-Based Competency Management for Corporate E-Learning
Fotis Draganidis, Gregoris Mentzas. © 2007. 14 pages.
The synergies between ontology management, competency management and e-learning have been explored during the last years both in theoretical and practical level. This chapter...
A Semantic Service-Oriented Architecture for Business Process Fusion
A Semantic Service-Oriented Architecture for Business Process Fusion
Athanasios Bouras, Panagiotis Gouvas, Gregoris Mentzas. © 2007. 37 pages.
Most enterprises contain several heterogeneous systems, creating a fuzzy network of interconnected applications, services, and data sources. In this emerging business context, a...
Electronic Collaboration, Communication and Cooperation: A Taxonomy and a Prototype
Electronic Collaboration, Communication and Cooperation: A Taxonomy and a Prototype
Gregoris Mentzas, Georgia Bafoutsou. © 2005. 34 pages.
This chapter investigates the subject of e-collaboration and proposes a meta-taxonomy that classifies the existing taxonomies of collaborative systems found in the literature. It...
Knowledge Networking for Collaborative Commerce
Knowledge Networking for Collaborative Commerce
Dimitris Apostolou, Gregoris Mentzas, Wolfgang Maass. © 2005. 39 pages.
This chapter aims to describe interorganizational “knowledge networks” and demonstrate how they have ushered in a new paradigm of collaborative business by forging links between...
Leveraging Knowledge Assets in Firms of the Digital Era
Leveraging Knowledge Assets in Firms of the Digital Era
Gregoris Mentzas, Dimitris Apostolou. © 2004. 23 pages.
The management of organisational knowledge can be a key lever for improving performance, boosting productivity and creativity, and facilitating innovation in corporate settings....