Parisis Gallos

74 papers B 2C 1Journal 5Unranked 50

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	Design and Implementation of a Platform for Managing Stress and Anxiety in Higher Education Based on Wearable Devices SMAP Ilias Maglogiannis, Parisis Gallos, Stamatios Orfanos, Christos Panagopoulos, Andreas Menychtas
2025	J	`jnl`	The Data Sharing Paradox of Synthetic Data in Healthcare. CoRR Jim Achterberg, Bram van Dijk, Saif ul Islam, Hafiz Muhammad Waseem, Parisis Gallos, Gregory Epiphaniou, Carsten Maple, Marcel R. Haas, Marco Spruit
2025	J	`jnl`	Towards a secure cloud repository architecture for the continuous monitoring of patients with mental disorders. Frontiers Digit. Health Dimitra Georgiou, Stamatis Katsaounis, Panayiotis Tsanakas, Ilias Maglogiannis, Parisis Gallos
2024	—	`conf`	A Novel Taxonomy for Navigating and Classifying Synthetic Data in Healthcare Applications. EFMI-STC Bram van Dijk, Saif ul Islam, Jim Achterberg, Hafiz Muhammad Waseem, Parisis Gallos, Gregory Epiphaniou, Carsten Maple, Marcel R. Haas, Marco Spruit
2024	J	`jnl`	A Novel Taxonomy for Navigating and Classifying Synthetic Data in Healthcare Applications. CoRR Bram van Dijk, Saif ul Islam, Jim Achterberg, Hafiz Muhammad Waseem, Parisis Gallos, Gregory Epiphaniou, Carsten Maple, Marcel R. Haas, Marco Spruit
2024	—	`conf`	AI4Work Project: Human-Centric Digital Twin Approaches to Trustworthy AI and Robotics for Improved Working Conditions in Healthcare and Education Sectors. MIE Ilias Maglogiannis, Arsalan Khan, Parisis Gallos, Andreas Menychtas, Christos Panagopoulos, Petros Papachristou, Najmul Islam, Annika Wolff, Salviano Soares, Scott Hansen, Sebastian Scholze
2024	—	`ed.`	Collaboration across Disciplines for the Health of People, Animals and Ecosystems - Proceedings of the EFMI Special Topic Conference 2024, EFMI-STC 2024, Timisoara, Romania, 27-29 November 2024. EFMI-STC Lacramioara Stoicu-Tivadar, Arriel Benis, Thomas M. Deserno, Sorana D. Bolboaca, Kaija Saranto, Mihaela Crisan-Vida, Parisis Gallos, Oana Sorina Chirila, Patrick Weber, George I. Mihalas, Oscar Tamburis
2024	—	`ed.`	Digital Health and Informatics Innovations for Sustainable Health Care Systems - Proceedings of MIE 2024, Athens, Greece, 25-29 August 2024. MIE John Mantas, Arie Hasman, George Demiris, Kaija Saranto, Michael Marschollek, Theodoros N. Arvanitis, Ivana Ognjanovic, Arriel Benis, Parisis Gallos, Emmanouil Zoulias, Elisavet Andrikopoulou
2024	J	`jnl`	Extracting Interpretable Knowledge from the Remote Monitoring of COVID-19 Patients. Mach. Learn. Knowl. Extr. Melina Tziomaka, Athanasios Kallipolitis, Andreas Menychtas, Parisis Gallos, Christos Panagopoulos, Alice Georgia Vassiliou, Edison Jahaj, Ioanna Dimopoulou, Anastasia Kotanidou, Ilias Maglogiannis
2024	—	`conf`	INSAFEDARE Project: Innovative Applications of Assessment and Assurance of Data and Synthetic Data for Regulatory Decision Support. MIE Parisis Gallos, Nicholas Matragkas, Saif ul Islam, Gregory Epiphaniou, Scott Hansen, Stuart Harrison, Marcel R. Haas, Giorgos Pappous, Simon Brouwer, Francesco Torlontano, Saadullah Farooq Abbasi, Omid Pournik, James Churm, John Mantas, Carlos Luis Parra Calderón, Dimitrios Petkousis, Patrick Weber, Benjamin Dzingina, Chokri Mraidha, Carsten Maple, Jim Achterberg, Marco Spruit, Evi Saratsioti, Younes Moustaghfir, Theodoros N. Arvanitis
2024	—	`conf`	Quantifying the Impact of Nature based Interventions on Citizen Health and Well-being. PETRA Eftychios Protopapadakis, Parisis Gallos, Stelios Kalogridis, Theodora Karali, Eirini Marinou, Emmanuel Sardis, Sotiria Baki, Elsa Katsorida, Ioannis Rallis
2024	J	`jnl`	Telehealth-Based Information Retrieval and Extraction for Analysis of Clinical Characteristics and Symptom Patterns in Mild COVID-19 Patients. Inf. Edison Jahaj, Parisis Gallos, Melina Tziomaka, Athanasios Kallipolitis, Apostolos Pasias, Christos Panagopoulos, Andreas Menychtas, Ioanna Dimopoulou, Anastasia Kotanidou, Ilias Maglogiannis, Alice Georgia Vassiliou
2024	—	`conf`	Toward Health-Centered Monitoring framework promoting Well-Being and Nature-based Solutions. PETRA Charalampos Zafeiropoulos, Anastasios Temenos, Aikaterini Angeli, Aggeliki Giakoumaki, Parisis Gallos, Elsa Katsorida, Anastasios Doulamis
2023	—	`ed.`	Caring is Sharing - Exploiting the Value in Data for Health and Innovation - Proceedings of MIE 2023, Gothenburg, Sweden, 22 - 25 May 2023. MIE Maria Hägglund, Madeleine Blusi, Stefano Bonacina, Lina Nilsson, Inge Cort Madsen, Sylvia Pelayo, Anne Moen, Arriel Benis, Lars Lindsköld, Parisis Gallos
2023	—	`conf`	Enriching Remote Monitoring and Care Platforms with Personalized Recommendations to Enhance Gamification and Coaching. MIE Antonios Pardos, Parisis Gallos, Andreas Menychtas, Christos Panagopoulos, Ilias Maglogiannis
2023	—	`ed.`	Healthcare Transformation with Informatics and Artificial Intelligence, ICIMTH 2023, 21st International Conference on Informatics, Management, and Technology in Healthcare, Athens, Greece, from 1-3 July 2023. ICIMTH John Mantas, Parisis Gallos, Emmanouil Zoulias, Arie Hasman, Mowafa S. Househ, Martha Charalampidou, Andriana Magdalinou
2023	—	`conf`	Integrating IoT Wearable Devices in Telemonitoring Platforms for Continuous Assisted Living Services. ICIMTH Konstantinos Mandalis, Antonios Pardos, Andreas Menychtas, Parisis Gallos, Christos Panagopoulos, Ilias Maglogiannis
2023	—	`conf`	MedSecurance Project: Advanced Security-for-Safety Assurance for Medical Device IoT (IoMT). MIE Parisis Gallos, Rance J. DeLong, Nicholas Matragkas, Allan Blanchard, Chokri Mraidha, Gregory Epiphaniou, Carsten Maple, Konstantinos Katzis, Jaime Delgado, Silvia Llorente, Pedro Maló, Andreas Menychtas, Christos Panagopoulos, Ilias Maglogiannis, Petros Papachristou, Mariana Soares, Paula Breia, Ana Cristina Vidal, Martin Ratz, Ross Williamson, Eduard Erwee, Lukasz Stasiak, Orfeu Flores, Carla Clemente, John Mantas, Patrick Weber, Theodoros N. Arvanitis, Scott Hansen
2023	—	`conf`	Medical Knowledge Extraction from Graph-Based Modeling of Electronic Health Records. AIAI (1) Athanasios Kallipolitis, Parisis Gallos, Andreas Menychtas, Panayiotis Tsanakas, Ilias Maglogiannis
2023	—	`ed.`	Telehealth Ecosystems in Practice - Proceedings of the EFMI Special Topic Conference 2023, EFMI-STC 2023, Turin, Italy, 25 - 27 October 2023. EFMI-STC Mauro Giacomini, Lacramioara Stoicu-Tivadar, Gabriella Balestra, Arriel Benis, Stefano Bonacina, Alessio Bottrighi, Thomas M. Deserno, Parisis Gallos, Lenka Lhotská, Sara Marceglia, Alejandro C. Pazos Sierra, Samanta Rosati, Lucia Sacchi
2023	—	`conf`	The Internet of Medical Things: Opportunities, Benefits, Challenges and Concerns. EFMI-STC Omid Pournik, Leila Ghalichi, Parisis Gallos, Theodoros N. Arvanitis
2022	—	`conf`	3D Digital Printing in Healthcare: Technologies, Applications and Health Issues. ICIMTH Sotirios Anagnostopoulos, Parisis Gallos, Emmanouil Zoulias, Nikolaos Fotos, John Mantas
2022	—	`ed.`	Advances in Informatics, Management and Technology in Healthcare, ICIMTH 2022, 20th International Conference on Informatics, Management, and Technology in Healthcare, Virtual Event / Athens, Greece, 1-3 July 2022 ICIMTH John Mantas, Parisis Gallos, Emmanouil Zoulias, Arie Hasman, Mowafa S. Househ, Marianna Diomidous, Joseph Liaskos, Martha Charalampidou
2022	—	`ed.`	Challenges of Trustable AI and Added-Value on Health - Proceedings of MIE 2022, Medical Informatics Europe, Nice, France, May 27-30, 2022. MIE Brigitte Séroussi, Patrick Weber, Ferdinand Dhombres, Cyril Grouin, Jan-David Liebe, Sylvia Pelayo, Andrea Pinna, Bastien Rance, Lucia Sacchi, Adrien Ugon, Arriel Benis, Parisis Gallos
2022	—	`conf`	Designing a Cloud Based Platform for Monitoring Well-Being and Public Health in Areas with Natural Based Solutions. FABULOUS Parisis Gallos, Andreas Menychtas, Christos Panagopoulos, Eftychios Protopapadakis, Nikolaos Doulamis, Anastasios D. Doulamis, Emmanuel Sardis, Manthos Bimpas, Maria Kaselimi, Ilias Maglogiannis
2022	—	`ed.`	Digital Professionalism in Health and Care: Developing the Workforce, Building the Future - Proceedings of the EFMI Special Topic Conference, EFMI-STC 2022, Cardiff, Wales, UK, 7- 8 September 2022. EFMI-STC Philip Scott, John Mantas, Arriel Benis, Ivana Ognjanovic, Kaija Saranto, J. Andrew Ware, Ian Wells, Parisis Gallos
2022	—	`conf`	Exploiting Augmented Reality and Computer Vision for Healthcare Education: The Case of Pharmaceutical Substances Visualization and Information Retrieval. EFMI-STC Dionysios Koulouris, Parisis Gallos, Andreas Menychtas, Ilias Maglogiannis
2022	—	`conf`	Gamification and Coaching in Remote Monitoring and Care Platforms. MIE Antonios Pardos, Andreas Menychtas, Parisis Gallos, Christos Panagopoulos, Ilias Maglogiannis
2022	—	`ed.`	Informatics and Technology in Clinical Care and Public Health, ICIMTH 2021, 19th International Conference on Informatics, Management and Technology in Healthcare, Athens, Greece, 16-17 October 2021. ICIMTH John Mantas, Arie Hasman, Mowafa Said Househ, Parisis Gallos, Emmanouil Zoulias, Joseph Liaskos
2022	B	`conf`	Integrating AR and IoT Services into mHealth Applications for Promoting Wellbeing. WiMob Dionysios Koulouris, Antonios Pardos, Parisis Gallos, Andreas Menychtas, Ilias Maglogiannis
2022	—	`conf`	Intelligent Pervasive Monitoring Solution of COVID-19 Patients. ICIMTH Christos Panagopoulos, Andreas Menychtas, Edison Jahaj, Alice Georgia Vassiliou, Parisis Gallos, Ioanna Dimopoulou, Anastasia Kotanidou, Ilias Maglogiannis
2022	—	`conf`	Investigating Diabetes Mellittus Impact on Various Aspects of Patients' Quality of Life. ICIMTH Ifigeneia Vasiliki Kontoteza, Aggeliki Dragamestianou, Petros Galanis, Olga Siskou, Athanasia Papazafiropoulou, Olympia Konstantakopoulou, Parisis Gallos, Iliana Karagkouni, Daphne Kaitelidou
2022	—	`conf`	Investigating Diabetes Mellitus Patients' Experiences with Self Monitoring Blood Glucose Methods. ICIMTH Aggeliki Dragamestianou, Ifigeneia Vasiliki Kontoteza, Olga Siskou, Petros Galanis, Athanasia Papazafiropoulou, Olympia Konstantakopoulou, Parisis Gallos, Iliana Karagkouni, Daphne Kaitelidou
2022	—	`conf`	Open Source Web Application: An Application on Health Tourism in Greece. ICIMTH Eleni Anna Tsoutsani, Emmanouil Zoulias, Parisis Gallos, John Mantas
2022	—	`conf`	Pervasive Monitoring of Public Health and Well-Being in Urban Areas with Blue-Green Solutions. MIE Parisis Gallos, Andreas Menychtas, Christos Panagopoulos, Maria Kaselimi, Ioannis Rallis, Anastasios D. Doulamis, Nikolaos Doulamis, Manthos Bimpas, Aikaterini Aggeli, Eftychios Protopapadakis, Emmanuel Sardis, Ilias Maglogiannis
2022	—	`conf`	Using an Extended Technology Acceptance Model to Evaluate Digital Health Services. ICIMTH Diana Akritidi, Parisis Gallos, Vassiliki Koufi, Flora Malamateniou
2022	—	`conf`	Using mHealth Technologies to Promote Public Health and Well-Being in Urban Areas with Blue-Green Solutions. ICIMTH Parisis Gallos, Andreas Menychtas, Christos Panagopoulos, Maria Kaselimi, Anastasios Temenos, Ioannis Rallis, Anastasios D. Doulamis, Nikolaos Doulamis, Manthos Bimpas, Aikaterini Aggeli, Eftychios Protopapadakis, Emmanuel Sardis, Ilias Maglogiannis
2021	—	`conf`	An Online Information Tool for Diabetic Retinopathy. EFMI-STC George Agriodimos, Parisis Gallos, Sotiris K. Tasoulis, Ioannis Anagnostopoulos
2021	—	`conf`	An Online Tool to Inform and Educate Caregivers on Amyotrophic Lateral Sclerosis (ALS). MIE Maria Giannaki, Parisis Gallos, Joseph Liaskos, Spyros Zogas, John Mantas
2021	—	`ed.`	Applying the FAIR Principles to Accelerate Health Research in Europe in the Post COVID-19 Era - Proceedings of the 2021 EFMI Special Topic Conference, EFMI-STC 2021, Virtual Event / Seville, Spain, 22 - 24 November 2021. EFMI-STC Jaime Delgado, Arriel Benis, Paula de Toledo, Parisis Gallos, Mauro Giacomini, Alicia Martinez-García, Dario Salvi
2021	—	`conf`	Assessing Staff's and Stroke Patients' Experiences in 8 Hospitals in Greece: Results from a Prospective Multi-Center Study ("SUN4Patients"). ICIMTH Petros Galanis, Olympia Konstantakopoulou, Iliana Karagkouni, Parisis Gallos, Evangelos Tsampalas, Maria Lypiridou, Anastasia Gamvroula, Georgios Mavraganis, Efstathios Manios, George Ntaios, Efstathia Karagkiozi, Haralampos J. Milionis, Chara Evangelou, Argyro Tountopoulou, Ioanna Kouzi, Sofia Vassilopoulou, Athanasios Protogerou, Stamatina Samara, Asteria Karapiperi, Christos Savopoulos, Apostolos I. Hatzitolios, Athina Myrou, Ioannis Kalliontzakis, Aspasia Kouridaki, Stefanos Papastefanatos, George Papastefanatos, Kostas Vemmos, Panayiota Sourtzi, Thalia Bellali, Eleni Korompoki, Daphne Kaitelidou, Olga Siskou
2021	—	`conf`	Chios Hospital Information System Assessment. EFMI-STC Konstantinos Karitis, Parisis Gallos, Ioannis S. Triantafyllou, Vassilis P. Plagianakos
2021	—	`conf`	Inpatient Cost of Stroke Care in Greece: Preliminary Results of the Web-Based "SUN4P" Registry. ICIMTH Olga Siskou, Petros Galanis, Olympia Konstantakopoulou, Iliana Karagkouni, Evangelos Tsampalas, Dafni Garefou, Helen Alexopoulou, Anastasia Gamvroula, Ioannis Kalliontzakis, Anastasia Fragkoulaki, Aspasia Kouridaki, Argyro Tountopoulou, Ioanna Kouzi, Sofia Vassilopoulou, Efstathios Manios, Georgios Mavraganis, George Ntaios, Efstathia Karagkiozi, Anna-Maria Louka, Christos Savopoulos, Gregorios Dimas, Athina Myrou, Haralampos J. Milionis, Georgios Siopis, Hara Evaggelou, Athanasios Protogerou, Stamatina Samara, Asteria Karapiperi, Nikolaos Kakaletsis, Parisis Gallos, Stefanos Papastefanatos, Panayota Sourtzi, Kostas Vemmos, Eleni Korompoki, Daphne Kaitelidou
2021	—	`conf`	Investigating the Success of "Asklepieio Voulas" Hospital Information System. MIE Loukas Thanos, Parisis Gallos, Emmanouil Zoulias, John Mantas
2021	—	`conf`	Knowledge and Perceptions of Undergraduate and Postgraduate Nursing Students About the Use of 3D Digital Printing in Healthcare. MIE Sotirios Anagnostopoulos, Parisis Gallos, Emmanouil Zoulias, Nikolaos Fotos, John Mantas
2021	—	`ed.`	Public Health and Informatics - Proceedings of MIE 2021, Medical Informatics Europe, Virtual Event, May 29-31, 2021. MIE John Mantas, Lacramioara Stoicu-Tivadar, Catherine E. Chronaki, Arie Hasman, Patrick Weber, Parisis Gallos, Mihaela Marcella Vida, Emmanouil Zoulias, Oana Sorina Chirila
2021	—	`conf`	Quantifying Citizens' Well-Being in Areas with Natural Based Solutions Using Mobile Computing. ICIMTH Parisis Gallos, Andreas Menychtas, Christos Panagopoulos, Manthos Bimpas, Ilias Maglogiannis
2020	—	`conf`	An Online Prevention Tool for Ophthalmological Disorders. MIE Maria Patte, Joseph Liaskos, Parisis Gallos, John Mantas
2020	—	`conf`	Citizens' Opinions About a Digital Health Insurance Record. EFMI-STC George Kostikidis, Parisis Gallos, Ioannis S. Triantafyllou, Vassilis P. Plagianakos
2020	C	`conf`	CrowdHEALTH: An e-Health Big Data Driven Platform towards Public Health Policies. ICT4AWE Argyro Mavrogiorgou, Athanasios Kiourtis, Ilias Maglogiannis, Dimosthenis Kyriazis, Antonio De Nigro, Vicent Blanes-Selva, Juan M. García-Gómez, Andreas Menychtas, Maroje Soric, Gregor Jurak, Mitja Lustrek, Anton Gradisek, Thanos Kosmidis, Sokratis Nifakos, Konstantinos Perakis, Dimitrios Miltiadou, Parisis Gallos
2020	—	`conf`	How to Extract and Explore Big Data for Fraud Detection in the Healthcare Sector: The EOPYY Case Study. MIE Spiros V. Georgakopoulos, Parisis Gallos, Vassilis P. Plagianakos
2020	—	`ed.`	Integrated Citizen Centered Digital Health and Social Care - Citizens as Data Producers and Service co-Creators - Proceedings of the EFMI 2020 Special Topic Conference, EFMI-STC 2020, Virtual Event, 26 - 27 November 2020. EFMI-STC Alpo Värri, Jaime Delgado, Parisis Gallos, Maria Hägglund, Kristiina Häyrinen, Ulla-Mari Kinnunen, Louise Bilenberg Pape-Haugaard, Laura-Maria Peltonen, Kaija Saranto, Philip Scott
2020	—	`conf`	Physicians' and Pharmacists' Opinions Regarding the e-Prescription Systems. MIE Giorgos Nikou, Parisis Gallos
2020	—	`conf`	The Drug Addicts' Usage of Information and Communication Technologies. EFMI-STC Christos Mimigiannis, Parisis Gallos, John Mantas
2019	—	`conf`	CrowdHEALTH: Big Data Analytics and Holistic Health Records. EFMI-STC Parisis Gallos, Santiago Aso, Serge Autexier, Arturo Brotons, Antonio De Nigro, Gregor Jurak, Athanasios Kiourtis, Pavlos Kranas, Dimosthenis Kyriazis, Mitja Lustrek, Andrianna Magdalinou, Ilias Maglogiannis, John Mantas, Antonio Martínez, Andreas Menychtas, Lydia Montandon, Florin Picioroaga, Manuel Perez, Dalibor Stanimirovic, Gregor Starc, Tanja Tomson, Ruth Vilar-Mateo, Ana-Maria Vizitiu
2019	—	`conf`	Disseminating Research Findings: The Crowdhealth Paradigm. MedInfo Andriana Magdalinou, John Mantas, Parisis Gallos, Lydia Montandon
2019	—	`ed.`	Health Informatics Vision: From Data via Information to Knowledge, ICIMTH 2019, 17th International Conference on Informatics, Management and Technology in Healthcare, Athens, Greece, 5-7 July 2019. ICIMTH John Mantas, Arie Hasman, Parisis Gallos, Aikaterini Kolokathi, Mowafa Said Househ, Joseph Liaskos
2019	—	`conf`	Measuring the Intention of Using Augmented Reality Technology in the Health Domain. MedInfo Parisis Gallos, Joseph Liaskos, Charalabos Georgiadis, Enkeleint-Aggelos Mechili, John Mantas
2019	—	`conf`	Usefulness, Ease of Use, Ease of Learning and Users' Satisfaction of E-Prescription and E-Appointment Systems for Primary Health Care. ICIMTH Agathi Kontogiannatou, Joseph Liaskos, Parisis Gallos, John Mantas
2018	—	`conf`	Augmented Reality Glasses and Head-Mounted Display Devices in Healthcare. ICIMTH Parisis Gallos, Charalabos Georgiadis, Joseph Liaskos, John Mantas
2018	—	`ed.`	Data, Informatics and Technology: An Inspiration for Improved Healthcare, [ICIMTH 2018, Athens, Greece, 6-8 July 2018]. ICIMTH Arie Hasman, Parisis Gallos, Joseph Liaskos, Mowafa S. Househ, John Mantas
2017	—	`conf`	Health Informatics Scientists' Perception About Big Data Technology. ICIMTH John Minou, Fotios Routsis, Parisis Gallos, John Mantas
2017	—	`ed.`	Informatics Empowers Healthcare Transformation, [ICIMTH 2017, Athens, Greece, 7-9 July 2017]. ICIMTH John Mantas, Arie Hasman, Parisis Gallos, Mowafa S. Househ
2017	—	`conf`	Investigating the Perceived Innovation of the Big Data Technology in Healthcare. ICIMTH Parisis Gallos, John Minou, Fotios Routsis, John Mantas
2017	—	`conf`	The Diffusion of mHealth Applications. MedInfo Parisis Gallos, John Mantas
2017	B	`conf`	Travelers' Perceptions about m-Health Technology. CBMS Parisis Gallos, John Mantas
2016	—	`conf`	Do Travellers Accept m-Health Technologies? A Literature Review. ICIMTH Parisis Gallos, Aikaterini Kolokathi, Ioannis Minou, John Mantas
2016	—	`ed.`	Unifying the Applications and Foundations of Biomedical and Health Informatics [ICIMTH 2016, Athens, Greece, July 2016]. ICIMTH John Mantas, Arie Hasman, Parisis Gallos, Aikaterini Kolokathi, Mowafa S. Househ
2015	—	`conf`	"SMART Travel Health" Application. MIE Parisis Gallos, John Mantas
2015	—	`conf`	The "SMART Travel Health" Mobile Application Assessment. ICIMTH Parisis Gallos, John Mantas
2014	—	`conf`	A "Smart" m-health Application for Travelers: The Public's Opinion. ICIMTH Parisis Gallos, Dafni Kaitelidou, Emmanuel Velonakis, John Mantas
2014	—	`conf`	Travellers' Health Mobile Applications. MIE Parisis Gallos, Dafni Kaitelidou, Emmanouel Velonakis, John Mantas
2013	—	`conf`	The e-learning programmes in Greek Universities: A literature review. ICIMTH Spyros Zogas, Pashalina Lialiou, Parisis Gallos, John Mantas
2011	—	`conf`	How do Nursing Students Perceive the Notion of EHR? an Empirical Investigation. MIE Parisis Gallos, Stelios Daskalakis, Maria Katharaki, Joseph Liaskos, John Mantas