Professional Service
Editorial Activities Related to Journals
- Guest Editor, ACM SIGAPP, Applied Computing Review, special issue on Coordination Models, Languages and Applications, Vol. 6 (2), Autumn 1998.
- Guest Co-Editor, Applied Artificial Intelligence, Taylor and Francis, special issue on Why Coordination Models and Languages in A.I., Vol. 15 (1), January 2000, pp. 1-10.
- Guest Co-Editor, Journal of Systems Integration, Kluwer Academic Publishers, special issue on Coordination as a Paradigm for Systems Integration, Vol. 10 (2), April 2001, pp. 103-105.
- Guest Editor, International Journal on Artificial Intelligence Tools, World Scientific, special issue on Twenty Sixth IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2014), Vol. 25 (1), February 2016, pp. 1.
- Guest Co-Editor, Future Generation Computer Systems, Elsevier Science, special issue on Models and Data Engineering, Vol. 68, March 2017, pp. 442-444.
- Guest Co-Editor, Information, MDPI, special issue on Wireless and Mobile Computing, Networking and Communications, 10, 40, March 2019.
- Member of the Editorial Board, ACM SIGAPP Applied Computing Review, ACM Press. (past)
- Member of the Editorial Board, Journal of Universal Computer Science. (past)
- Member of the Editorial Board, International Journal of Computers and Their Applications, ISCA. (past)
- Member of the Editorial Board, International Journal of Information Technology, Communications and Convergence (IJITCC), Inderscience Publishers. (past)
- Member of the Editorial Board, International Journal of Computer Science: Theory, Technology and Applications (IJCS), ResearchNation.org (past)
- Member of the Editorial Board, International Magazine on Advances in Computer Science and Telecommunications (IMACST), ACST. (past)
- Member of the Editorial Board, Parallel and Cloud Computing Research, Science and Engineering Publishing Company. (past)
- Member of the Executive Peer-Reviewers Board, Journal of Educational Technology & Society, ASK. (past)
- Member of the Editorial Board, Computers, MDPI.
- Member of the Editorial Board, Electronics, MDPI.
- Member of the Editorial Board, Computer Science and Information Systems, ComSIS. (past)
- Member of the Editorial Board, Journal of Computer Science, Science Publications.
- Member of the Editorial Board, International Journal of Computer and Information Technology.
- Member of the Editorial Board, Open Computer Science, De Gruyter.
- Member of the Editorial Board, International Journal on Computer Theory and Engineering, IRCSIT Press.
- Member of the Editorial Board, Universal Journal of Computer Technology, Universal Wiser Publisher.
- Member of the Associated Editors Board, Frontiers in Digital Education.
- Member of the Reviewers Board, International Journal of Advanced Computer Science and Applications (IJACSA), The Science and Information Organization.
Editorial Activities Related to Conferences
- Conference Proceedings Co-Editor, Twenty Fifth International Conference on Digital Signal Processing, Limassol, Cyprus, 26-28 June 1995.
- Conference Track Proceedings Editor, Fourteenth ACM Symposium on Applied Computing (SAC'99), Special Track on Coordination Models, Languages and Applications, San Antonio, Texas, USA, 28 February - 2 March 1999, ACM Press.
- Conference Track Proceedings Co-Editor, Fifteenth ACM Symposium on Applied Computing (SAC 2000), Special Track on Coordination Models, Languages and Applications, Villa Olmo, Como, Italy, 19-21 March 2000, ACM Press.
- Conference Proceedings Co-Editor, Sixteenth ACM Symposium on Applied Computing (SAC 2001), Las Vegas, USA, 11-14 March 2001, ACM Press.
- Conference Proceedings Co-Editor, Seventeenth ACM Symposium on Applied Computing (SAC 2002), Madrid, Spain, 10-14 March 2002, ACM Press.
- Conference Proceedings Co-Editor, Eighteenth ACM Symposium on Applied Computing (SAC 2003), Melbourne, Florida, USA, 9-12 March 2003, ACM Press.
- Conference Proceedings Co-Editor, Seventeenth International Conference on Information Systems Development (ISD 2008), Paphos, Cyprus, 25-27 August 2008, Springer.
- Conference Proceedings Co-Editor, Third International Symposium on Intelligent Distributed Computing (IDC 2009), Ayia Napa, Cyprus, 12-14 October 2009, Springer.
- Conference Proceedings Co-Editor, Seventh IEEE European Conference on Web Services (ECOWS 2009), Eindhoven, The Netherlands, 9-11 November 2009, IEEE Computer Society Press.
- Conference Proceedings Co-Editor, Eighth IEEE European Conference on Web Services (ECOWS 2010), Ayia Napa, Cyprus, 1-3 December 2010, IEEE Computer Society Press.
- Conference Proceedings Co-Editor, Nineteenth Euromicro International Conference on Parallel, Distributed and Network-Based Computing (PDP 2011), Ayia Napa, Cyprus, 9-11 February 2011, IEEE Computer Society Press.
- Conference Proceedings Co-Editor, Eleventh International Conference on Web Engineering (ICWE 2011), Paphos, Cyprus, 20-24 June 2011, Springer.
- Conference Proceedings Co-Editor, Twelfth International Conference on Parallel and Distributed Computing, Applications and Technologies, (PDCAT 2011), Gwangju, Korea, 20-22 October 2011, IEEE Computer Society Press.
- Conference Proceedings Co-Editor, Tenth International Conference on Mobile Web Information Systems (MobiWIS 2013), Paphos, Cyprus, 26-28 August 2013, Springer.
- Conference Proceedings Co-Editor, Thirteenth European Conference on Computer Supported Cooperative Work (ECSCW 2013), Paphos, Cyprus, 21-25 September 2013, Springer.
- Conference Proceedings Co-Editor, Fourth International Conference on Model & Data Engineering (MEDI 2014), Larnaca, Cyprus, 24-26 September 2014, Springer.
- Conference Proceedings Co-Editor, Ninth International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2014), Limassol, Cyprus, 6-8 November 2014, Springer.
- Conference Proceedings Co-Editor, Twenty Sixth IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2014), Paphos, Cyprus, 10-12 November 2014, IEEE Computer Society Press.
- Conference Proceedings Co-Editor, Fourteenth International Symposium on Parallel and Distributed Computing (ISPDC 2015), Limassol, Cyprus, 29 June - 1 July 2015, IEEE Computer Society Press.
- Conference Proceedings Co-Editor, Ninth International and Interdisciplinary Conference on Modeling and Using Context (CONTEXT 2015), Larnaca, Cyprus, 2-6 November 2015, Springer.
- Conference Proceedings Co-Editor, Fifteenth International Conference on Intelligent Software Methodologies, Tools and Techniques (SoMeT 2016), Larnaca, Cyprus, 12-14 September 2016, IOS Press.
- Conference Proceedings Co-Editor, Twenty First European Conference on Advances in Databases and Information Systems (ADBIS 2017), Nicosia, Cyprus, 24-27 September 2017, Springer.
- Conference Proceedings Co-Editor, Twenty First European Conference on Advances in Databases and Information Systems (ADBIS 2017) - Short Papers and Workshops, Nicosia, Cyprus, 24-27 September 2017, Springer.
- Conference Proceedings Co-Editor, Ninth International Conference on Computational Collective Intelligence (ICCCI 2017), Nicosia, Cyprus, 27-29 September 2017, Springer.
- Conference Proceedings Co-Editor, Sixteenth World Conference on Mobile and Contextual Learning (mLearn 2017), Larnaca, Cyprus, 30 October - 1 November 2017, ACM Press.
- Conference Proceedings Editor, Sixth International Conference on Enterprise Systems (ES 2018), Limassol, Cyprus, 1-2 October 2018, IEEE Computer Society Press.
- Conference Proceedings Co-Editor, Twenty First International Conference on Discovery Science (DS 2018), Limassol, Cyprus, 29-31 October 2018, Springer.
- Conference Proceedings Co-Editor, Twenty Fourth International Symposium on Methodologies for Intelligent Systems (ISMIS 2018), Limassol, Cyprus, 29-31 October 2018, Springer.
- Conference Proceedings Co-Editor, Eighth International Symposium on End-User Development (IS-EUD 2021), Virtual Event, 6-8 July 2021, Springer.
- Conference Proceedings Co-Editor, First International Conference on ICT for Health, Accessibility and Wellbeing (IHAW 2021), Virtual Event, 8-9 November 2021, Springer.
- Conference Proceedings Co-Editor, Ninth IFIP WG 6.12 European Conference on Service-Oriented and Cloud Computing, Virtual Event, 22-24 March 2022, Springer.
- Conference Proceedings Co-Editor, 2022 IEEE International Conference on Evolving and Adaptive Intelligent Systems (EAIS 2022), Larnaca, Cyprus, 25-26 May 2022, IEEE Computer Society Press.
- Conference Proceedings Co-Editor, Second International Conference on ICT for Health, Accessibility and Wellbeing (IHAW 2022), Virtual Event, 5-7 December 2022, Springer.
- Conference Proceedings Co-Editor, Tenth IFIP WG 6.12 European Conference on Service-Oriented and Cloud Computing (ESOCC 2023), Larnaca, Cyprus, 24-25 October 2023, Springer.
- Conference Proceedings Co-Editor, The Tenth International Conference on Behavioural and Social Computing (BESC 2023), Larnaca, Cyprus, 30 October - 1 November 2023, IEEE Computer Society Press.
Chair and Steering Committee Member in International Conferences and Workshops
- Track Chair on Theory and Algorithms, 1997 International Conference on Parallel and Distributed Systems (ICPADS'97), Seoul, Korea, 11-13 December 1997.
- Track Chair, Track on Coordination Models, Languages and Applications, Thirteenth ACM Symposium on Applied Computing (SAC'98), Atlanta, Georgia, USA, 27 February - 1 March 1998.
- Technical Program Chair, EURO-MED NET 98, Nicosia, Cyprus, 4-7 March 1998.
- Program Co-Chair, International Workshop on Electronic Commerce on the Internet, in conjunction with EURO-MED NET 98, Nicosia, Cyprus, 4-7 March 1998.
- Program Chair, International Workshop on Coordination Technologies for Information Systems (CTIS'98), Vienna, Austria, 28 August 1998, in conjunction with DEXA'98.
- Track Chair, Track on Coordination Models, Languages and Applications, Fourteenth ACM Symposium on Applied Computing (SAC'99), San Antonio, Texas, USA, 28 February - 2 March 1999.
- Track Chair, Track on Coordination Models, Languages and Applications, Fifteenth ACM Symposium on Applied Computing (SAC 2000), Villa Olmo, Como, Italy, 19-21 March 2000.
- Organizing Chair, Fourth International Conference on Coordination Models and Languages (COORDINATION 2000), Limassol, Cyprus, 11-13 September 2000.
- Program Co-Chair, Sixteenth ACM Symposium on Applied Computing (SAC 2001), Las Vegas, USA, 11-14 March 2001.
- Program Co-Chair, Seventeen ACM Symposium on Applied Computing (SAC 2002), Madrid, Spain, 10-14 March 2002.
- Steering Committee Member, Fifth International Conference on Coordination Models and Languages (COORDINATION 2002), York, UK, 8-11 April 2002.
- Program Co-Chair, Eighteenth ACM Symposium on Applied Computing (SAC 2003), Melbourne, Florida, USA, 9-12 March 2003.
- Steering Committee Member, Sixth International Conference on Coordination Models and Languages (COORDINATION 2004), Pisa, Italy, 24-27 February 2004.
- Symposium Co-Chair, Nineteenth ACM Symposium on Applied Computing (SAC 2004), Nicosia, Cyprus, 14-17 March 2004.
- Steering Committee Member, Seventh International Conference on Coordination Models and Languages (COORDINATION 2005), Namur, Belgium, 20-23 April 2005.
- General Conference Chair, Distributed Computing Techniques (DisCoTec'07), Paphos, Cyprus, 5-8 June 2007.
- General Conference Chair, Eighth International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP 2008), Agia Napa, Cyprus, 9-11 June 2008.
- Organizing Committee Chair, Twenty Second European Conference on Object-Oriented Programming (ECOOP'08), Paphos, Cyprus, 7-11 July 2008.
- Program and Organizing Chair, Seventeenth International Conference on Information Systems Development (ISD 2008), Paphos, Cyprus, 25-27 August 2008.
- Conference Chair, Second European Conference on Software Architectures (ECSA 2008), Paphos, Cyprus, 29 September - 1 October 2008.
- Conference Chair, Seventh European Conference on e-Learning (ECEL 2008), Agia Napa, Cyprus, 6-7 November 2008.
- Program Vice Chair, Tenth IEEE International Conference on High Performance Computing and Communications (HPCC-08), Dalian, China, 25-27 September 2008.
- Steering Committee Member, Twelfth European Joint Conference on Theory and Practice of Software (ETAPS 2009), York, UK, 22-29 March 2009.
- Program Co-Chair and Steering Committee Member, Third International Symposium on Intelligent and Distributed Computing (IDC 2009), Ayia Napa, Cyprus, 12-14 October 2009.
- Program Co-Chair, Seventh IEEE European Conference on Web Services (ECOWS'09), Eindhoven, The Netherlands, 9-11 November 2009.
- Local Chair and Steering Committee Member, Thirteenth European Joint Conference on Theory and Practice of Software (ETAPS 2010), Paphos, Cyprus, 20-28 April 2010.
- Steering Committee Member, Fourth International Symposium on Intelligent and Distributed Computing (IDC 2010), Tangier, Morocco, 16-18 September 2010.
- Steering Committee Member and Local Arrangements Chair, First International ICST Conference on Wireless Mobile Communication and Healthcare (MobiHealth 2010), Ayia Napa, Cyprus, 18-20 November 2010.
- General Conference Chair, Eighth IEEE European Conference on Web Services (ECOWS'10), Ayia Napa, Cyprus, 1-3 December 2010.
- Conference Co-Chair, Nineteenth Euromicro International Conference on Parallel, Distributed and Network-Based Computing (PDP 2011), Ayia Napa, Cyprus, 9-11 February 2011.
- Steering Committee Member, Fourteenth European Joint Conference on Theory and Practice of Software (ETAPS 2011), Saarbrucken, Germany, 26 March - 3 April 2011.
- General Conference Chair, Eleventh International Conference on Web Engineering (ICWE 2011), Paphos, Cyprus, 20-24 June 2011.
- General Conference Chair, Eleventh IEEE International Conference on Computer and Information Technology (CIT 2011), Paphos, Cyprus, 31 August - 2 September 2011.
- General Conference Co-Chair, Eleventh IEEE International Conference on Scalable Computing and Communications (SCALCOM 2011), Paphos, Cyprus, 31 August - 2 September 2011.
- Steering Committee Member, Ninth IEEE European Conference on Web Services (ECOWS'11), Lugano, Switzerland, 14-16 September 2011.
- Steering Committee Member, Fifth International Symposium on Intelligent and Distributed Computing (IDC 2011), Delft, The Netherlands, 5-7 October 2011.
- Steering Committee Member, Second International ICST Conference on Wireless Mobile Communication and Healthcare (MobiHealth 2011), Kos, Greece, 5-7 October 2011.
- Program Co-Chair, Twelfth International Conference on Parallel and Distributed Computing, Applications and Technologies (PDCAT-11), Gwangju, Korea, 20-22 October 2011.
- General Conference Co-Chair, Ninth International Conference on Service Oriented Computing (ICSOC 2011), Paphos, Cyprus, 5-8 December 2011.
- General Conference Chair, Fifth International Conference on the Applications of Digital Information and Web Technologies (ICADIWT 2012), Ayia Napa, Cyprus, 27-29 August 2012.
- Steering Committee Member, Sixth International Symposium on Intelligent and Distributed Computing (IDC 2012), Calabria, Italy, 24-26 September 2012.
- General Conference Co-Chair, Fifteenth IEEE International Conference on Computational Science and Engineering (CSE 2012), Paphos, Cyprus, 3-5 October 2012.
- General Conference Co-Chair, Tenth IEEE/IFIP International Conference on Embedded and Ubiquitous Computing (EUC 2012), Paphos, Cyprus, 3-5 October 2012.
- Steering Committee Member, Twelfth IEEE International Conference on Computer and Information Technology (CIT 2012), Chengdu, Sichuan, China, 27-29 October 2012.
- General Conference Co-Chair, Thirteenth International Conference on Web Information System Engineering (WISE 2012), Paphos, Cyprus, 14-16 November 2012.
- Steering Committee Member, Third International ICST Conference on Wireless Mobile Communication and Healthcare (MobiHealth 2012), Paris, France, 21-23 November 2012.
- Organizing Chair, Fourteenth International Conference on Product-Focused Software Development and Process Improvement (PROFES 2013), Paphos, Cyprus, 12-14 June 2013.
- General Chair, Tenth International Conference on Mobile Web Information Systems (MobiWIS 2013), Paphos, Cyprus, 26-28 August 2013.
- Local Organization Chair, Eighth European Conference on Technology Enhanced Learning (EC-TEL2013), Paphos, Cyprus, 17-20 September 2013.
- General Chair, Thirteenth European Conference on Computer Supported Cooperative Work (ECSCW 2013), Paphos, Cyprus, 21-25 September 2013.
- Steering Committee Member, Thirteenth IEEE International Conference on Computer and Information Technology (CIT 2013), Sydney, Australia, 3-5 December 2013.
- Organizing Committee Co-Chair, Seventeenth International Conference on Business Information Systems (BIS 2014), Larnaca, Cyprus, 21-23 May 2014.
- Conference Co-Chair, Seventh International Conference for Entrepreneurship, Innovation and Regional Development (ICEIRD 2014), Nicosia, Cyprus, 5-6 June 2014.
- Local Organization Chair, Fifth International Conference on Software Business (ICSOB 2014), Paphos, Cyprus, 15-18 June 2014.
- Steering Committee Member, Thirteenth International Symposium on Parallel and Distributed Computing (ISPDC 2014), Porquerolles Island, France, 24-27 June 2014.
- Local Organization Chair, Seventh International Conference on Developments in eSystems Engineering (DeSE 2014), Paphos, Cyprus, 25-27 August 2014.
- Steering Committee Member, Fourteenth IEEE International Conference on Computer and Information Technology (CIT 2014), Xi'an, Shaanxi, China, 11-13 September 2014.
- General Chair, Fourth International Conference on Model & Data Engineering (MEDI 2014), Larnaca, Cyprus, 24-26 September 2014.
- General Co-Chair, Tenth International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob 2014), Larnaca, Cyprus, 8-10 October 2014.
- Steering Committee Member, Fourth International ICST Conference on Wireless Mobile Communication and Healthcare (MobiHealth 2014), Athens, Greece, 3-5 November 2014.
- Program Co-Chair and Local Organizing Chair, Ninth International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2014), Limassol, Cyprus, 6-8 November 2014.
- Program Chair, Twenty Sixth IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2014), Paphos, Cyprus, 10-12 November 2014.
- Posters Chair, Seventh IEEE/ACM International Conference on Utility and Cloud Computing (UCC 2014), London, UK, 8-11 December 2014.
- General Chair, Fourteenth International Symposium on Parallel and Distributed Computing (ISPDC 2015), Limassol, Cyprus, 29 June - 1 July 2015.
- Local Arrangements Co-Chair, Twentieth IEEE Symposium on Computers and Communications (ISCC 2015), Larnaca, Cyprus, 6-9 July 2015.
- Local Organization Chair, Fifth International Conference on Web Intelligence, Mining and Semantics (WIMS 2015), Limassol, Cyprus, 13-14 July 2015.
- Steering Committee Member, Ninth International Symposium on Intelligent and Distributed Computing (IDC 2015), Guimaraes, Portugal, 7-9 October 2015.
- Steering Committee Member, Fifth EAI International Conference on Wireless Mobile Communication and Healthcare - "Transforming healthcare through innovations in mobile and wireless technologies" (MobiHealth 2015), London, UK, 14-16 October 2015.
- Steering Committee Member, Fifteenth IEEE International Conference on Computer and Information Technology (CIT 2015), Liverpool, UK, 26-28 October 2015.
- Local Arrangements Chair, Ninth International and Interdisciplinary Conference on Modeling and Using Context (CONTEXT 2015), Larnaca, Cyprus, 2-6 November 2015.
- General Chair, Twenty Seventh IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2015), Vietri sul Mare, Italy, 9-11 November 2015.
- General Chair, Eighth IEEE/ACM International Conference on Utility and Cloud Computing (UCC 2015), Limassol, Cyprus, 7-10 December 2015.
- General Chair, Second IEEE/ACM International Symposium on Big Data Computing (BDC 2015), Limassol, Cyprus, 10 December 2015.
- General Co-Chair, Twenty Fourth Euromicro International Conference on Parallel, Distributed and Network-Based Processing (PDP 2016), Heraklion Crete, Greece, 17-19 February 2016.
- General Chair, Fifteenth International Conference on Software Reuse (ICSR 2016), Larnaca, Cyprus, 5-7 June 2016.
- Steering Committee Member, Twenty Fifth IEEE International Conference on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE 2016), Paris, France, 13-16 June 2016.
- Steering Committee Member, Twentieth East-European Conference on Advances in Databases and Information Systems (ADBIS 2016), Prague, Czech Republic, 28-31 August 2016.
- General Chair, Nineteenth Euromicro Conference on Digital Systems Design (DSD 2016), Limassol, Cyprus, 31 August - 2 September 2016.
- General Chair, Forty Second Euromicro Conference on Software Engineering and Advanced Applications (SEAA 2016), Limassol, Cyprus, 31 August - 2 September 2016.
- Program Co-Chair, Fifteenth International Conference on Intelligent Software Methodologies, Tools and Techniques (SoMeT 2016), Larnaca, Cyprus, 12-14 September 2016.
- Steering Committee Member, Ninth IEEE/ACM International Conference on Utility and Cloud Computing (UCC 2016), Shanghai, China, 6-9 December 2016.
- Steering Committee Member, Sixteenth IEEE International Conference on Computer and Information Technology (CIT 2016), Shangri-La's Fijian Resort and Spa, Fiji, 7-10 December 2016.
- Local Arrangements Chair, Sixteenth IEEE International Symposium on Signal Processing and Information Technology (ISSPIT 2016), Limassol, Cyprus, 12-14 December 2016.
- General Chair, Twenty Second ACM Annual Meeting of the Intelligent User Interfaces Community (ACM IUI 2017), Limassol, Cyprus, 13-16 March 2017.
- Steering Committee Member, Sixteenth International Conference on Software Reuse (ICSR 2017), Salvador, Brazil, 29-31 May 2017.
- Steering Committee Member, Twenty Sixth IEEE International Conference on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE 2017), Poznan, Poland, 21-23 June 2017.
- Steering Committee Member, Seventeenth IEEE International Conference on Computer and Information Technology (CIT 2017), Helsinki, Finland, 21-23 August 2017.
- General and Program Co-Chair, Eighth International Conference on Information, Intelligence, Systems and Applications (IISA 2017), Larnaca, Cyprus, 28-30 August 2017.
- General Chair, Fifth European Conference on the Engineering of Computer Based Systems (ECBS 2017), Larnaca, Cyprus, 31 August - 1 September 2017.
- General Chair, Twenty First European Conference on Advances in Databases and Information Systems (ADBIS 2017), Nicosia, Cyprus, 24-27 September 2017.
- General Chair, Ninth International Conference on Computational Collective Intelligence (ICCCI 2017), Nicosia, Cyprus, 27-29 September 2017.
- Steering Committee Member, Eleventh International Symposium on Intelligent and Distributed Computing (IDC 2017), Belgrade, Serbia, 11-13 October 2017.
- General Chair, Sixteenth World Conference on Mobile and Contextual Learning (mLearn 2017), Larnaca, Cyprus, 30 October - 1 November 2017.
- Steering Committee Member, Seventeenth International Conference on Software Reuse (ICSR 2018), Madrid, Spain, 21-23 May 2018.
- Steering Committee Member, Twenty Seventh IEEE International Conference on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE 2018), Paris, France, 27-29 June 2018.
- Steering Committee Member, Eighteenth IEEE International Conference on Computer and Information Technology (CIT 2018), Halifax, Canada, 30 July - 3 August 2018.
- General and Program Chair, Sixth International Conference on Enterprise Systems (ES 2018), Limassol, Cyprus, 1-2 October 2018.
- General Chair, Fifteenth European Mediterranean and Middle Eastern Conference on Information Systems (EMCIS 2018), Limassol, Cyprus, 4-5 October 2018.
- Conference Chair, Seventh Computer Science Education Research Conference (CSERC 2018), Saint-Petersburg, Russia, 10-12 October 2018.
- Steering Committee Member, Eleventh International Conference on Informatics in Schools (ISSEP 2018), Saint-Petersburg, Russia, 10-12 October 2018.
- Steering Committee Member, Twelfth International Symposium on Intelligent and Distributed Computing (IDC 2018), Bilbao, Spain, 15-17 October 2018.
- General Chair, Twenty First International Conference on Discovery Science (DS 2018), Limassol, Cyprus, 29-31 October 2018.
- General Chair, Twenty Fourth International Symposium on Methodologies for Intelligent Systems (ISMIS 2018), Limassol, Cyprus, 29-31 October 2018.
- Local Organization Chair, 2018 European Conference on Ambient Intelligence (AmI 2018), Larnaca, Cyprus, 12-14 November 2018.
- General Chair, The Tenth IEEE International Conference on Cloud Computing Technology and Science (CloudCom 2018), Limassol, Cyprus, 10-12 December 2018.
- Overall Chair, The Twenty Sixth Annual eTourism Conference (ENTER 2019), Nicosia, Cyprus, 29 January - 1 February 2019.
- Conference Vice-Chair, The Thirty Fourth ACM/SIGAPP Symposium on Applied Computing (ACM SAC 2019), Limassol, Cyprus, 8-12 April 2019.
- General Chair, The Twenty Seventh ACM Conference on User Modeling, Adaptation and Personalization (UMAP 2019), Larnaca, Cyprus, 9-12 June 2019.
- Steering Committee Member, Eighteenth International Conference on Software Reuse (ICSR 2019), Cincinnati, OH, USA, 26-28 June 2019.
- Steering Committee Member, Twenty Third European Conference on Advances in Databases and Information Systems (ADBIS 2019), Bled, Slovenia, 8-11 September 2019.
- Steering Committee Member, Thirteenth International Symposium on Intelligent Distributed Computing (IDC 2019), Saint-Petersburg, Russia, 7-10 October 2019.
- General Chair, The Eighth Computer Science Education Research Conference (CSERC 2019), Larnaca, Cyprus, 18-20 November 2019.
- General Chair, The Twelfth International Conference on Informatics in Schools (ISSEP 2019), Larnaca, Cyprus, 18-20 November 2019.
- General Chair, The Twenty Third Pan-Hellenic Conference on Informatics (PCI 2019), Nicosia, Cyprus, 28-30 November 2019.
- General Chair, Forty Sixth International Conference on Current Trends in Theory and Practice of Computer Science (SOFSEM 2020), Limassol, Cyprus, 20-24 January 2020.
- Steering Committee Member, Twenty Fourth European Conference on Advances in Databases and Information Systems (ADBIS 2020), Lyon, France, 25-27 August 2020.
- General Chair, Fourteenth International Conference on Research Challenges in Information Science, Limassol, Cyprus, 22-25 September 2020.
- Steering Committee Member, Nineteenth International Conference on Software Reuse (ICSR 2020), Hammamet, Tunisia, 1-4 December 2020.
- General Chair, Fifteenth International Conference on Research Challenges in Information Science (RCIS2021), Virtual Event, 11-14 May 2021.
- General Chair, Eighth International Symposium on End-User Development (IS-EUD 2021), Virtual Event, 6-7 July 2021.
- Steering Committee Member, Twenty Fifth European Conference on Advances in Databases and Information Systems (ADBIS 2021), Tartu, Estonia, 24-26 August 2021.
- Steering Committee Member, Fourteenth International Symposium on Intelligent Distributed Computing (IDC 2021), Virtual Event, 16-18 September 2021.
- General Chair, First International Conference on ICT for Health, Accessibility and Wellbeing (IC-IHAW 2021), Virtual Event, 8-9 November 2021.
- Program Co-Chair, Ninth European Conference on Service-Oriented and Cloud Computing, Virtual Event, 22-24 March 2022.
- General Chair, 2022 IEEE International Conference on Evolving and Adaptive Intelligent Systems (EAIS 2022), Larnaca, Cyprus, 25-26 May 2022.
- Steering Committee Member and General Co-Chair, Twentieth International Conference on Software & Systems Reuse (ICSR 2022), Montpellier, France, 15-17 June 2022.
- Track Chair on Compilers, Tools and Environments, Twenty Eighth International European Conference on Parallel and Distributed Computing (Euro-Par 2022), Glasgow, Scotland, UK, 22-26 August 2022.
- Steering Committee Member, Twenty Sixth European Conference on Advances in Databases and Information Systems (ADBIS 2022), Torino, Italy, 5-8 September 2022.
- General Co-Chair, Second ACM International Conference on Social Good (GoodIT 2022), Limassol, Cyprus, 7-9 September 2022.
- Steering Committee Member, Fifteenth International Symposium on Intelligent Distributed Computing (IDC 2022), Bremen, Germany, 14-16 September 2022.
- General Chair, Eighth IEEE International Smart Cities Conference (ISC2 2022), Paphos, Cyprus, 26-29 September 2022.
- General Co-Chair, Thirty Eighth IEEE International Conference on Software Maintenance and Evolution (ICSME 2022), Limassol, Cyprus, 2-7 October 2022.
- General Chair, Second International Conference on ICT for Health, Accessibility and Wellbeing (IC-IHAW 2022), Virtual Event, 5-6 December 2022.
- Local Organizing Chair, The Thirty First ACM Conference on User Modeling, Adaptation and Personalization (UMAP 2023), Limassol, Cyprus, 26-29 June 2023.
- Conference Chair, The Twenty Ninth International European Conference on Parallel and Distributed Computing (Euro-Par 2023), Limassol, Cyprus, 28 August - 1 September 2023.
- Steering Committee Member, Twenty Seventh European Conference on Advances in Databases and Information Systems (ADBIS 2023), Barcelona, Spain, 4-7 September 2023.
- Steering Committee Member, Sixteenth International Symposium on Intelligent Distributed Computing (IDC 2023), Hamburg, Germany, 13-15 September 2023.
- General Chair, The Nineteenth IEEE International Conference on eScience (eScience 2023), Limassol, Cyprus, 9-13 October 2023.
- General Chair, The Tenth IFIP WG 6.12 European Conference on Service-Oriented and Cloud Computing (ESOCC 2023), Larnaca, Cyprus, 24-25 October 2023.
- General Chair, The Tenth International Conference on Behavioural and Social Computing (BESC 2023), Larnaca, Cyprus, 30 October - 1 November 2023.
Program Committee Member in International Conferences and Workshops
- Eighth International Conference on Computing and Information (ICCI'96), University of Waterloo, Canada, 19-22 June 1996.
- Third International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA'97), Las Vegas, Nevada, USA, 30 June - 2 July 1997.
- Tenth ISCA International Conference on Parallel and Distributed Computing Systems (PDCS-97), New Orleans, Louisiana, USA, 1-3 October 1997.
- Ninth IASTED International Conference on Parallel and Distributed Computing and Systems (PDCS'97), Washington D.C., USA, 13-16 October 1997.
- Sixth Hellenic Conference on Informatics, Thessaloniki, Greece, October 1997.
- ACM International Conference on Supporting Group Work (GROUP'97), Phoenix, Arizona, USA, 16-19 November 1997.
- Ninth International Conference on Computing and Information (ICCI'98), Winnipeg, Manitoba, Canada, 17-20 June 1998.
- Seventh ISCA International Conference on Intelligent Systems (ICIS-98), Paris, France, 1-3 July 1998.
- Fourth International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA'98), Las Vegas, Nevada, USA, 13 - 16 July 1998.
- Third IFCIS Conference on Cooperative Information Systems (CoopIS'98), New York, USA, 20-22 August 1998.
- International Workshop on Business Process Reengineering and Supporting Technologies for Electronic Commerce, Vienna, Austria, 28 August 1998, in conjunction with DEXA'98.
- Fourth International Workshop on Multimedia Information Systems (MIS'98), Istanbul, Turkey, 24-26 September 1998.
- Minitrack on Electronic Commerce Technologies, Thirty Second Hawaii International Conference on System Sciences (HICSS-32), Maui, Hawaii, 5-8 January 1999.
- First Mediterranean International Conference on Computer Technologies (MICCT'99), Tizi Ouzou, Algeria, 3-5 May 1999.
- Third International Conference on Business Information Systems (BIS'99), Poznan, Poland, 14-16 April 1999.
- ACM International Conference on Supporting Group Work (GROUP'99), Phoenix, Arizona, USA, 14-17 November 1999.
- First International Symposium on Telemedicine and Teleeducation in Practice (ISTEP-2000), Kosice, Slovak Republic, 22-24 March 2000.
- Eighth International Conference on High Performance Computing and Networking Europe (HPCN 2000), Amsterdam, The Netherlands, 8-10 May 2000.
- Fifth IFCIS International Conference on Cooperative Information Systems (CoopIS 2000), Eilat, Israel, 6-8 September 2000.
- Fourth International Conference on Coordination Models and Languages (COORDINATION 2000), Limassol, Cyprus, 11-13 September 2000.
- Tenth International Conference on Computing and Information (ICCI 2000), Kuwait, 18-21 November 2000.
- International Electronic Commerce Minitrack on Trading of Intangible Goods, 34th Hawaii International Conference on System Sciences (HICSS-34), Maui, Hawaii, 3-6 January 2001.
- Web Services, e-Business, and the Semantic Web (WES): Foundations, Models, Architecture, Engineering and Applications, Toronto, Ontario, Canada, 27-28 May 2002, in conjunction with CAiSE 2002.
- Xth European Conference on Information Systems (ECIS 2002), Gdansk, Poland, 6-8 June 2002.
- International Workshop on Distributed Event-Based Systems (DEBS'02), Vienna, Austria, 2-3 July 2002, in conjunction with ICDCS-2002.
- Fifth International Conference on Enterprise Information Systems (ICEIS 2003), Angers, France, 23-26 April 2003.
- Web Services, e-Business, and the Semantic Web (WES): Foundations, Models, Architecture, Engineering and Applications, Klagenfurt/Velden, Austria, 16-17 June 2003, in conjunction with CAiSE 2003.
- Ninth International Conference on Object-Oriented Information Systems (OOIS'03), Geneva, Switzerland, 2-5 September 2003.
- First South-East European Workshop on Formal Methods, Thessaloniki, Greece, 20 November 2003, in conjunction with the First Balkan Conference in Informatics.
- Sixth International Conference on Enterprise Information Systems (ICEIS 2004), Porto, Portugal, 14-17 April 2004.
- Thirteenth International Conference on Information Systems Development (ISD 2004), Vilnius, Lithuania, 9-11 September 2004.
- Eighth International Workshop on Cooperative Information Agents (CIA 2004), Erfurt, Germany, 27-29 September 2004.
- Second International Conference on Service Oriented Computing (ICSOC'04), New York City, NY, USA, 15-18 November 2004.
- International Conference on E-Business and E-learning (EBEL'05), Amman, Jordan, 23-24 May 2005.
- Seventh International Conference on Enterprise Information Systems (ICEIS 2005), Miami, Florida, USA, 24-28 May 2005.
- Fifth IFIP WG 6.1 International Conference on Distributed Applications and Interoperable Systems (DAIS 2005), Athens, Greece, 15-17 June 2005.
- International E-Business Conference (IEBC 2005), Tunis, Tunisia, 24-25 June 2005.
- Twenty Ninth Annual International Computer Software and Applications Conference (COMPSAC 2005), Edinburgh, Scotland, UK, 25-28 July 2005.
- Fourteenth International Conference on Information Systems Development (ISD 2005), Karlstad University, Sweden, 15-17 August 2005.
- Eighth International Conference on Parallel Computing Technologies (PaCT-2005), Krasnoyarsk, Russia, 5-9 September 2005.
- Ninth International Conference on Enterprise Distributed Object Computing (EDOC 2005), Enschede, Netherlands, 19-23 September 2005.
- IPM International Workshop on Foundations of Software Engineering (FSEN'05), Tehran, Iran, 4-6 October 2005.
- Eleventh International CSI Computer Conference (CSICC'06), Tehran, Iran, 24-26 January 2006.
- Eighth International Conference on Enterprise Information Systems (ICEIS 2006), Paphos, Cyprus, 23-27 May 2006.
- Sixth Workshop on Next Generation Information Technologies and Systems (NGITS 2006), Kibbutz Shefayim, Israel, 4-6 July 2006.
- International Workshop on Self-Adaptability and Self-Management of Context-Aware Systems (SELF'06), Silicon Valley, USA, 19-21 July 2006.
- Fifteenth International Conference on Information Systems Development (ISD 2006), Budapest, Hungary, 31 August - 2 September 2006.
- Thirtieth Annual International Computer Software and Applications Conference (COMPSAC 2006), Chicago, Illinois, USA, 18-21 September 2006.
- Tenth International Conference on Enterprise Distributed Object Computing (EDOC 2006), Hong Kong, 16-20 October 2006.
- First International Workshop on Mobile Services and Personalized Environments (MSPE'06), Aachen, Germany, 16-17 November 2006.
- IPM International Symposium on Fundamentals of Software Engineering (FSEN'07), Tehran, Iran, 17-19 April 2007.
- Seventh International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP-07), Hangzhou, China, 11-14 June 2007.
- Ninth International Conference on Enterprise Information Systems (ICEIS 2007), Funchal, Madeira, Portugal, 12-16 June 2007.
- Sixteenth International Conference on Information Systems Development (ISD 2007), Galway, Ireland, 29-31 August 2007.
- Sixth International Workshop on the Foundations of Coordination Languages and Software Architectures (FOCLASA 2007), Lisbon, Portugal, 8 September 2007, in conjunction with CONCUR 2007.
- The IFIP TC8 International Conference on Research and Practical Issues of Enterprise Information Systems (CONFENIS 2007), Beijing, China, 14-16 October 2007.
- Eleventh International Conference on Enterprise Distributed Object Computing (EDOC 2007), Annapolis, Maryland, USA, 15-19 October 2007.
- First International Symposium on Intelligent and Distributed Computing (IDC 2007), Craiova, Romania, 18-20 October 2007.
- Thirteenth International Conference on Parallel and Distributed Systems (ICPADS 2007), National Tsing Hua University, Hsinchu, Taiwan, 5-7 December 2007.
- International IEEE Workshop on Coordination Models and Applications (CoMA): Knowledge in Pervasive Environments, Rome, Italy, 23-25 June 2008.
- Seventh International Workshop on the Foundations of Coordination Languages and Software Architectures (FOCLASA'08), Reykjavik, Iceland, 13 July 2008.
- Twelfth International Conference on Enterprise Distributed Object Computing (EDOC 2008), Munich, Germany, 15-18 September 2008.
- Second International Symposium on Intelligent Distributed Computing (IDC 2008), Catania, Italy, 18-20 September 2008.
- Fourth Annual INFORMATICS-Europe Meeting (ECSS 2008), Zurich, Switzerland, 8-10 October 2008.
- Thirty Fifth International Conference on Current Trends in Theory and Practice of Computer Science (SOFSEM 2009), Spindleruv Mlyn, Czech Republic, 24-30 January 2009.
- Seventh Conference on Next Generation Information Technologies and Systems (NGITS 2009), Haifa, Israel, 15-18 June 2009.
- International IEEE Workshop on Coordination Models and Applications (CoMA): Collaboration in the Cloud, Groningen, The Netherlands, 29 June - 1 July 2009.
- Eighth International Workshop on the Foundations of Coordination Languages and Software Architectures (FOCLASA'09), Rhodes, Greece, 11 July 2009.
- Twelfth IEEE International Conference on Computational Science and Engineering (CSE-09), Vancouver, Canada, 29-31 August 2009.
- Thirteenth IEEE International EDOC Conference (EDOC 2009), Auckland, New Zealand, 1-4 September 2009.
- Eighth Working IEEE/IFIP Conference on Software Architecture and Third European Conference on Software Architecture (WISCA/ECSA 2009), Cambridge, UK, 14-17 September 2009.
- Fourth Balkan Conference in Informatics, Thessaloniki, Greece, 17-19 September 2009.
- International Workshop on Location-based services (LBS) and applications, Vienna, Austria, 22 September 2009.
- First International Conference on Adaptive and Self-adaptive Systems and Applications (ADAPTIVE 2009), Athens/Glyfada, Greece, 15-20 November 2009.
- Tenth International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP 2010), Busan, Korea, 21-23 May 2010.
- Seventh International Conference on Pervasive Services (ICPS 2010), Berlin, Germany, 13-15 July 2010.
- Second International Conference on Information Technology Convergence and Services (ITCS 2010), Cebu, Philippines, 11-13 August 2010.
- Twelfth IEEE International Conference on High Performance Computing and Communications (IEEE HPCC-10), Melbourne, Australia, 1-3 September 2010.
- Fourteenth IEEE International EDOC Conference (EDOC 2010), Vitoria, ES, Brazil, 25-29 October 2010.
- Ninth European Conference on e-Learning (ECEL 2010), Porto, Portugal, 4-5 November 2010.
- Fifth European Conference on Software Architectures (ECSA 2011), Essen, Germany, 13-16 September 2011.
- Tenth European Conference on e-Learning (ECEL 2011), Brighton, UK, 10-11 November 2011.
- Mediterranean Conference on Embedded Computing (MECO 2012), Bar, Montenegro, 19-21 June 2012.
- Nineteenth IEEE International Conference on Web Services (IEEE ICWS 2012), Honolulu, Hawaii, USA, 24-29 June 2012.
- Fourth International Symposium on Web Services (WSS 2012), Wroclaw, Poland, 9-12 September 2012.
- First European Conference on Service-Oriented and Cloud Computing (ESOCC 2012), Bertinoro, Italy, 19-21 September 2012.
- Eleventh European Conference on e-Learning (ECEL 2012), Groningen, The Netherlands, 26-27 October 2012.
- Thirteenth International Conference on Software Reuse (ICSR 2013), Pisa, Italy, 18-21 June 2013.
- Sixth International Conference for Entrepreneurship, Innovation and Regional Development (ICEIRD 2013), Istanbul, Turkey, 20-21 June 2013.
- Twentieth IEEE International Conference on Web Services (IEEE ICWS 2013), Santa Clara Marriott, CA, USA, 27 June - 2nd July 2013.
- Tenth IEEE International Conference on Services Computing (IEEE SCC 2013), Santa Clara Marriott, CA, USA, 27 June - 2nd July 2013.
- Third International Conference on Frontier Computing - Theory, Technologies and Applications (FC 2013), Gwangju, Korea, 4-6 September 2013.
- Second European Conference on Service-Oriented and Cloud Computing (ESOCC 2013), Malaga, Spain, 11-13 September 2013.
- Sixth Balkan Conference in Informatics (BCI 2013), Thessaloniki, Greece, 19-21 September 2013.
- First International Workshop "From Dependable to Resilient, from Resilient to Antifragile Ambients and Systems" (ANTIFRAGILE 2014),Hasselt, Belgium, 2 June 2014.
- Fourteenth IFIP International Conference on Distributed Applications and Interoperable Systems (DAIS 2014) , Berlin, Germany, 3-5 June 2014.
- Eleventh IEEE International Conference on Services Computing (IEEE SCC 2014), Anchorage, Alaska, USA, 27 June - 2 July 2014.
- Eighth International Conference on Complex, Intelligent and Software Intensive Systems (CISIS 2014), Birmingham, UK, 2-4 July 2014.
- Third European Conference on Service-Oriented and Cloud Computing (ESOCC 2014), Manchester, UK, 2-4 September 2014.
- International Distance Education Conference Series, 2015-.
- First International Conference on Electrical and Information Technologies (ICEIT 2015), Marrakech, Morocco, 25-27 March 2015.
- Fourth European Conference on Service-Oriented and Cloud Computing (ESOCC 2015), Taormina, Italy, 15-17 September 2015.
- Fifth International Conference on Model & Data Engineering (MEDI 2015), Rhodes, Greece, 26-28 September 2015.
- Seventh International Conference on Ambient Assisted Living (IWAAL 2015), Puerto Varas, Chile, 1-4 December 2015.
- Cloud Computing Technoeconomic Engineering Workshop (CCTE 2016), Berlin, Germany, 4 April 2016.
- Second International Conference on Electrical and Information Technologies (ICEIT 2016), Tangier, Morocco, 4-7 May 2016.
- Tenth International Conference on Ubiquitous Computing and Ambient Intelligence (UCAmI 2016), Canary Islands, Spain, 29 November - 2 December 2016.
- Fifth Mediterranean Conference on Embedded Computing (MECO 2016), Bar, Montenegro, 11-15 June 2016.
- Sixth International Conference on Model and Data Engineering (MEDI 2016), Aguadulce, AlmerÃa, Spain, 21-23 September 2016.
- Sixth Mediterranean Conference on Embedded Computing (MECO 2017), Bar, Montenegro, 12-16 June 2017.
- Tenth International and Interdisciplinary Conference on Modeling and Using Context (CONTEXT 2017), Paris, France, 20-23 June 2017.
- Twenty Third International Symposium on Methodologies for Intelligent Systems (ISMIS 2017), Warsaw, Poland, 26-29 June 2017.
- 2017 IEEE Conference on Dependable and Secure Computing (DSC 2017), Taipei, Taiwan, 7-10 August 2017.
- Sixteenth International Conference on Intelligent Software Methodologies, Tools and Techniques (SoMeT 2017), Kitakyushu, Japan, 26-28 September 2017.
- Eleventh International Conference on Ubiquitous Computing and Ambient Intelligence (UCAmI 2017), Philadelphia, Pennsylvania, USA, 7-10 November 2017.
- Sixth Computer Science Education Research Conference (CSERC 2017), Helsinki, Finland, 13-15 November 2017.
- Tenth International Conference on Informatics in Schools (ISSEP 2017), Helsinki, Finland, 13-15 November 2017.
- Tenth IEEE/ACM International Conference on Utility and Cloud Computing (UCC 2017), Austin, Texas, USA, 5-8 December 2017.
- Forty Fourth International Conference on Current Trends in Theory and Practice of Computer Science (SOFSEM 2018), Krems an der Donau, Austria, 29 January - 2 February 2018.
- Tenth Asian Conference on Intelligent Information and Database Systems (ACIIDS 2018), Dong Hoi City, Vietnam, 19-21 March 2018.
- Eighth International Conference on Web Intelligence, Mining and Semantics (WIMS 2018), Novi Sad, Serbia, 25-27 June 2018.
- Twenty Second European Conference on Advances in Databases and Information Systems (ADBIS 2018), Budapest, Hungary, 2-5 September 2018.
- Seventeenth International Conference on Intelligent Software Methodologies, Tools and Techniques (SoMeT 2018), Granada, Spain, 26-28 September 2018.
- Twelfth International Conference on Ubiquitous Computing and Ambient Intelligence (UCAmI 2018), Punta Cana, Dominican Republic, 4-7 December 2018.
- The Fourth International Conference on Fog and Mobile Edge Computing (FMEC 2019), Rome, Italy, 10-13 June 2019.
- Sixth European Conference on the Engineering of Computer Based Systems (ECBS 2019), Bucharest, Romania, 2-3 September 2019.
- Eighteenth International Conference on Intelligent Software Methodologies, Tools and Techniques (SoMeT 2019), Kuching, Sarawak, Malaysia, 23-25 September 2019.
- Thirteenth International Conference on Ubiquitous Computing and Ambient Intelligence (UCAmI 2019), Toledo, Spain, 2-5 December 2019.
- Twelfth IEEE/ACM International Conference on Utility and Cloud Computing (UCC 2019), Auckland, New Zealand, 2-5 December 2019.
- The Twenty Seventh Annual eTourism Conference (ENTER 2020), Guildford, UK, 7-10 January 2020.
- Thirty Second International Conference on Software Engineering and Knowledge Engineering (SEKE 2020), Pittsburgh, USA, 9-19 July 2020.
- Twenty Eighth ACM International Conference on User Modeling, Adaptation and Personalization (UMAP 2020), Genoa, Italy, 12-18 July 2020.
- First International Conference on Computational Aspects of Network Science (CAoNS 2020), Thessaloniki, Greece, 19-21 October 2020.
- Seventh International Conference on Behavioural and Social Computing, Bournemouth, UK, 4-7 November 2020.
- Twelfth International Conference on Computational Collective Intelligence (ICCCI 2020), Da Nang, Vietnam, 30 November - 3 December 2020.
- Thirteenth IEEE/ACM International Conference on Utility and Cloud Computing (UCC 2020), Leicester, UK, 7-10 December 2020.
- Twenty First International Conference on Innovation for Community Serices (I4CS 2021), Bamberg, Germany, 26-28 May 2021.
- Thirty Third International Conference on Software Engineering and Knowledge Engineering (SEKE 2021), KSIR Virtual Conference Centre, Pittsburgh, USA, 1-10 July 2021.
- Thirteenth International Conference on Computational Collective Intelligence (ICCCI 2021), Rhodes, Greece, 29 September - 1 October 2021.
- Eighth International Conference on Behavioural and Social Computing (BESC 2021), Doha, Qatar, 29-31 October 2021.
- Sixteenth International Conference on Research Challenges in Information Science (RCIS 2022), Barcelona, Spain, 17-20 May 2022.
- Twenty Second International Conference on Innovation for Community Services (I4CS 2022), Delft, The Netherlands, 13-15 June 2022.
- The Twentieth European Conference on Computer-Supported Cooperative Work (ECSCW 2022), Coimbra, Portugal, 27 June - 1 July 2022.
- Thirty Fourth International Conference on Software Engineering and Knowledge Engineering (SEKE 2022), KSIR Virtual Conference Centre, Pittsburgh, USA, 1-10 July 2022.
- Fifteenth International Symposium on Intelligent Distributed Computing (IDC 2022), Bremen, Germany, 14-16 September 2022.
- Fourteenth International Conference on Computational Collective Intelligence (ICCCI 2022), Hammamet, Tunisia, 28-30 September 2022.
- Ninth International Conference on Behavioural and Social Computing (BESC 2022), Matsuyama, Japan, 29-31 October 2022.
- The Twenty First European Conference on Computer-Supported Cooperative Work (ECSCW 2023), Trondheim, Norway, 5-9 June 2023.
- The Sixteenth ACM International Conference on PErvasive Technologies Related to Assistive Environments (PETRA 2023), Corfu, Greece, 5-7 July 2023.
- Twenty Third International Conference on Innovation for Community Services (I4CS 2023), Bamberg, Germany, 11-13 September 2023.
- The Eighth IEEE International Conference on Fog and Mobile Edge Computing (FMEC 2023), Tartu, Estonia, 18-20 September 2023.
- Fifteenth International Conference on Computational Collective Intelligence (ICCCI 2023), Budapest, Hungary, 27-29 September 2023.
Reviewer for International Journals
- IEEE Software , IEEE Computer Society.
- IEEE Transactions on Software Engineering, IEEE Computer Society.
- International Journal on Computer Systems Science and Engineering, CRL Publs.
- Journal of Systems and Software, Elsevier Science.
- Microprocessors and Microsystems, Elsevier Science.
- Parallel Computing, Elsevier Science.
- Parallel and Distributed Computing Practices, Nova Science Publishers.
- L'OBJET: Software, Databases, Networks, Hermes.
Reviewer for International Conferences
- Third Golden West International Conference on Intelligent Systems (GWIC'94), Las Vegas, Nevada, USA, 6-8 June 1994.
- First International Symposium on Parallel Symbolic Computation (PASCO'94), Linz, Austria, 26-28 September 1994.
- XVIII International Symposium on Multimedia and Hypermedia Systems (MIPRO'95), Rijeka, Croatia, 22-26 May 1995.
- Eleventh ACM Symposium on Applied Computing, (SAC'96) - Track on Programming Languages, Philadelphia, Pennsylvania, USA, 17-19 February 1996.
- Fourth International Conference on Parallel Architectures and Compilation Techniques (PACT'96), Boston, MA, USA, 20-23 October 1996.
- Twelfth ACM Symposium on Applied Computing, (SAC'97) - Track on Programming Languages, San Jose, Ca., USA, 28 February - 2 March 1997.
- Thirtieth Hawaii International Conference on Systems Science (HICSS-30) - Minitrack on Coordination Languages, Models, Systems, Hawaii, USA, 7-10 January 1997.
- Thirtieth Hawaii International Conference on Systems Science (HICSS-30), Minitrack on Software Engineering for Distributed Systems, Hawaii, USA, 7-10 January 1997.
- Fifth European Conference on Information Systems (ECIS'97), Cork, Ireland, 19-21 June 1997.
- Second IEEE Symposium on Computers and Communications (ISCC'97), Alexandria, Egypt, 1-3 July 1997.
- First Panhellenic Symposium on Logic, Nicosia, Cyprus, 21-24 July 1997.
- Eleventh International Workshop on Distributed Algorithms (WDAG'97), Saarbrucken, Germany, 24-26 September 1997.
- International Symposium on High Performance Computing (ISHPC'97), Fukuoka, Japan, 4-6 November 1997.
- Thirteenth ACM Symposium on Applied Computing (SAC'98), Track on Programming Languages, Atlanta Marriot, Atlanta, USA, 27 February - 1 March 1998.
- International Workshop on Issues and Applications of Database Technology (IADT'98), Berlin, Germany, 6-9 July 1998.
- EURO-PAR'98, Southampton, UK, 1-4 September 1998.
- Fourteenth International Conference on Supercomputing (ICS 2000), Santa Fe, New Mexico, USA, 8-11 May 2000.