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Christos A. Fidas

[Personal Web-site] [Google Scholar]

e-mail: fidas AT upatras.gr

Received diploma and PhD from the Electrical & Computer Engineering Department, University of Patras, Greece. Currently he is an Assistant Professor in the Department of Cultural Heritage Management and New Technologies, University of Patras. His research interests are related to human computer interaction, information systems and cultural heritage. 

Publications
 
2016
Raptis, G., Fidas, C., Avouris, N. (2016). Using eye tracking to identify cognitive differences: a literature review. In Proc. of the 20th Panhellenic Conference on Informatics, ACM Press (to appear)
 
Raptis, G., Fidas, C., Avouris, N. (2016). Do field dependence-independence differences of game players affect performance and behaviour in cultural heritage games?. In: Proc. of the ACM SIGCHI Annual Symposium on Computer-Human Interaction in Play (CHI PLAY), ACM Press (to appear)
 
Katsini C., Belk M., Fidas C., Avouris N., Samaras G. (2016). Security and Usability in Knowledge-based User Authentication: A ReviewIn Proc. of the 20th Panhellenic Conference on Informatics, ACM Press (to appear).
 
Raptis, G., Fidas, C., Avouris, N. (2016). Differences of field dependent/independent gamers on cultural heritage playing: An eye-tracking study. In: Proc. of the Conference on Digital Heritage (EuroMed 2016), Springer-Verlag (to appear)
 
Fidas C., Avouris N., Halvatzaras D. & Orvieto I., (2016).  Evaluation of a new asset creation pipeline for indie game development , ACM CHI 2016 Games User Research workshop, May 2016, San Jose, CA, USA.
 
Raptis G., Fidas C., Avouris N. (2016). A qualitative analysis of the effect of wholistic-analytic cognitive style dimension on the cultural heritage game playing. In: Proc. of the The 7th International Conference on Information, Intelligence, Systems and Applications (to appear)
 
 
2015
 
Fidas, C., Avouris, N. (2015), "Personalization of Mobile Applications in Cultural Heritage Environments ", Proc. 6th International Conference on Information, Intelligence, Systems and Applications (IISA), Workshop on on Mobile Hypermedia Applications for Culture, Corfu, July 2015.
 
Fidas, C., Sintoris, C., Yiannoutsou, N., Avouris, N. (2015), "A Survey on Tools for End User Authoring of Mobile Applications for Cultural Heritage", Proc. 6th International Conference on Information, Intelligence, Systems and Applications (IISA), Workshop on on Mobile Hypermedia Applications for Culture, Corfu, July 2015.
 
Fidas, C., Avouris, N., Orvieto, I., (2015), "Requirements Elicitation for new Video Game Development Tools: A Case Study", Proceedings, Workshop on The Landscape of the UX, 15th IFIP International Conference on Human-Computer Interaction - INTERACT 2015, September 2015, Bamberg, Germany.
 
Belk, M., Fidas, C., Germanakos, P., Samaras, G. (2015), "Do Human Cognitive Differences in Information Processing Affect Preference and Performance of CAPTCHA? ", International Journal of Human - Computer Studies (IJHCS), Elsevier, doi: 10.1016/j.ijhcs.2015.07.002.
 
Fidas C., Hussmann H., Belk M., Samaras G. (2015). "iHIP: Towards a User Centric Individual Human Interaction Proof Framework", in CHI'15 Extended Abstracts: 33rd Annual ACM Conference on Human Factors in Computing Systems pp.2235-2240.
 
Andreas Kamilaris, Andreas Pitsillides, Christos Fidas and Sekhar Kondepudi (2015). "Social Electricity: The evolution of a Large-Scale, Green ICT Social Application through two Case Studies in Cyprus and Singapore." In Proc. of ICT for Sustainability (ICT4S), Copenhagen, Denmark, September 2015.
 
Andreas Kamilaris, Andreas Pitsillides, Christos Fidas (2015). "Social Electricity: A Case Study on Users Perceptions in Using Green ICT Social Applications." International Journal of Environment and Sustainable Development (IJESD), 2015.  [In Print]
 
Ignacio Lamata Martínez, Ioannid Ioannidis, Christos Fidas, Martin S Williams, Pierre Pegon (2015). "The SERIES Virtual Database: Architecture and Implementation" , Experimental Research in Earthquake Engineering, 2015, pp.21-30.
 
2014
 
Belk M., Fidas C., Germanakos P., Samaras G. (2014). "A Personalised User Authentication Approach based on Individual Differences in Information Processing". Interacting with Computers, Oxford University Press,doi: 10.1093/iwc/iwu033
 
Belk M., Fidas C., Germanakos P., Samaras G. (2014).'On Supporting Security and Privacy-preserving Interaction through Adaptive Usable Security', Proceedings of the 16th International Conference on Human-Computer Interaction – HCI International 2014 (HCI 2014), Heraklion, Crete, LNCS, Springer-Verlag Berlin Heidelberg, pp. 3-10
 
Belk M, Germanakos P., Fidas C., & Samaras G. (2014).'A Personalisation Method based on Human Factors for Improving Usability of User Authentication Tasks', Proceedings of the 22nd International Conference on User Modeling, Adaptation, and Personalization (UMAP 2014), Aalborg, Denmark, July 7-11, 2014, Springer-Verlag Berlin Heidelberg, pp. 13-24 (Best Paper Nominee)
 
Ioannidis, I, Papachristos, E., Katsanos, C., Karousos, N., Fidas, C., Avouris. N. (2014). "SONETA: A social media trend geo-analysis tool". In Proceedings of the 16th International Conference on Human-Computer Interaction.(HCI International 2014), LNCS 8531 (pp. 186-196), Crete, Greece: Springer Verlag, 22-27 June, 2014, doi: 10.1007/978-3-319-07632-4_18
 
Papachristos, E., Katsanos, C., Karousos, N., Ioannidis, I, Fidas, C., Avouris. N. (2014). "Deployment, usage and impact of social media tools in small and medium enterprises." In Proceedings of the 16th International Conference on Human-Computer Interaction.(HCI International 2014), LNCS 8531 (pp. 79-90), Crete, Greece: Springer Verlag, 22-27 June, 2014, doi: 10.1007/978-3-319-07632-4_8
 
2013

Fidas C., A.G. Voyiatzis."On Users’ Preference on Localized vs. Latin-based CAPTCHA Challenges". Proceedings of the 14th IFIP Conference on Human-Computer Interaction, Interact 2013, 2-6 Sept 2013, Cape Town South Africa, LNCS, Springer-Verlag. pp 358-365.

Fidas C., A.G. Voyiatzis. "An empirical study on efficiency and effectiveness of localized vs. Latin-based CAPTCHA challenges" Proceeding PCI '13 of the 17th Panhellenic Conference on Informatics Pages 91-97, ACM. doi:10.1145/2491845.2491867.

Belk M. , Fidas C., Germanakos P.,  & Samaras G. (2013). "Security for Diversity: Studying the Effects of Verbal and Imagery Processes on User Authentication Mechanisms", Proceedings of the 14th IFIP Conference on Human-Computer Interaction, Interact 2013, 2-6 Sept 2013, Cape Town South Africa, LNCS, Springer-Verlag, pp.442-459.

Belk M., Germanakos P., Fidas C., & Samaras G. (2013). "Studying the Effect of Human Cognition on User Authentication Tasks", Proceedings of the 21st International Conference on User Modeling, Adaptation, and Personalization (UMAP 2013), Rome, Italy, June 10-14, 2013, LNCS, Springer-Verlag Berlin Heidelberg, pp 103-113.

Belk M., Germanakos P., Fidas C., Holzinger A., & Samaras G. (2013). "Towards the Personalization of CAPTCHA Mechanisms Based on Individual Differences in Cognitive Processing", Proceedings of the 1st International Conference on Human Factors in Computing & Informatics (SouthCHI 2013), Maribor, Slovenia, July 1-3, 2013, LNCS, Springer-Verlag Berlin Heidelberg, pp 409-426 (Best Paper Award).

Belk M., Germanakos P., Fidas C., & Samaras G. (2013). "The Effect of Users’ Working Memory Capacity on Preference and Performance in CAPTCHA Mechanisms", Proceedings of the 15th International Conference on Human-Computer Interaction – HCI International 2013 (HCI 2013), Las Vegas, Nevada, USA, July 21-26, 2013, LNCS, Springer-Verlag Berlin Heidelberg, pp 71-79.

Kapsalis V., Fidas C., Hadelis L.(2013). "Towards a Domain-Specific Context Acquisition, Presentation and Rule-Based Control Platform". International Journal of Pervasive Computing and Communications, Emerald Publishers (ISSN: 1742-7371), pp 72-89, doi:10.1108/17427371311315761

2012

Belk M., Fidas C.A., Germanakos P., & Samaras G. "The Effect of Users’ Working Memory on Preference and Performance in Password Mechanisms", (2012). Proceedings of the Designing Interactive Secure Systems Workshop at British HCI 2012 (DISS 2012), Birmingham, UK, September 11, 2012. 

Belk M., Fidas C.A., Germanakos P., & Samaras G. (2012). "Do Cognitive Styles of Users Affect Preference and Performance related to CAPTCHA Challenges?", Proceedings of the ACM SIGCHI 2012 Conference Extended Abstracts on Human Factors in Computing Systems (CHI 2012), Austin, Texas, USA, May 5-10, 2012, ACM Press, pp. 1487-1492.

Raul Acuna, Christos Fidas, Vasileios Argyriou, Sergio A. Velastin (2012). "Toward a Two-Handed Gesture-Based Visual 3D Interactive Object-Oriented Environment for Software Development". IE '12 Proceedings of the 2012 Eighth International Conference on Intelligent Environments Pages 359-362, IEEE Computer Society Washington, DC, USA ©2012 

2011

A.G. Voyiatzis, C.A. Fidas, D.N. Serpanos, N.M. Avouris, "An Empirical Study on the Web Password Strength in Greece". In PCI 2011, 2011. IEEE Press, Kastoria, Greece, September 30-October 2, 2011 2011,pp. 212-216.

C.A. Fidas, A.G. Voyiatzis, and N.M. Avouris."On the necessity of user-friendly CAPTCHA". In 2011 Symposium on Usable Privacy and Security (SOUPS), “Poster Showcasing Usable Privacy and Security Papers Published in the Past Year at Other Conferences”. Pittsburgh, PA, USA, July 20-22, 2011.

C.A. Fidas, A.G. Voyiatzis, and N.M. Avouris.  “On the Necessity of User-Friendly CAPTCHA”. Proceedings of the SIGCHI, ACM Conference on Human Factors in Computing Systems CHI 2011. Vancouver, BC, Canada, May 7-12, 2011,pp. 2623-2626 ACM press.

C.A. Fidas and N.M. Avouris. “Towards a Context Aware Service for Performing Remote Usability Studies of Web Sites”. International Journal on Human Computer Interaction Vol. II No. 7 (March 2011) ISSN: 1697-9613 (print) - 1887-3022.

2010

Fidas C.A., Voyiatzis A.G., Avouris N, "When Security Meets Usability: A User-Centric Approach on a Crossroads Priority Problem", . (2010). Proc PCI 2010, IEEE Publ., Tripolis, September 2010,pp. 112-116.

Vassilis Kapsalis, Christos A. Fidas, Loukas Hadellis, Christos Karavasilis, Manolis Galetakis, Christos Katsenos. "A Networking Platform for Real-Time Monitoring and Rule-Based Control of Transport Fleets and Transferred Goods". IEEE Conference on Intelligent Transportation Systems - ITSC 2010 - Portugal - Madeira Island. (full paper)

2009 

Panagiotis Politis, Ioannis Partsakoulakis, George Vouros, Christos A. Fidas. "Providing Assistance during Decision-making Problems Solving in an Educational Modelling Environment ". In the proceedings of AIAI 2009, 5th IFIP Conference on Artificial Intelligence Applications & Innovations, Springer - Verlag, pp 21-29.

2008

C. A. Fidas, E.Maragoudakis and N. Avouris, 2008 , “Intelligent - Miner: The Conceptual and Architectural Design of a Web Based Data Mining Service”, eMinds, International Journal on Human Computer Interaction, Vol 1, No 4 (2008).

2007

M. Margaritis, C.A. Fidas and N. Avouris, (2007) , “A framework to facilitate building of collaborative learning applications”, Special Issue on Technology for Collaborative Learning,Advanced Technology for Learning (ATL) International Journal  (pdf)

C.A. Fidas, C. Katsanos, E. Papachristos, N. Tselios, N. Avouris (2007). "Remote Usability Evaluation Methods and Tools: A Survey". In T. Papatheodorou, D. Christodoulakis and N. Karanikolas (Eds.) Proceedings of PCI 2007 (pp. 151-163), Patras, Greece, 18-20 May, 2007, ISBN: 978-960-89784-0-9.

G. Fiotakis, C.A. Fidas, N. Avouris (2007), "Comparative usability evaluation of web systems through ActivityLens", Proc. PCI 2007, (pp. 141-148), Patras, Greece, 18-20 May, 2007, ISBN: 978-960-89784-0-9.

2006

Fidas (C.A.), Kapsalis (V.), Tranoris (C.), Avouris (N.), “Synchronous Support and monitoring in web-based  educational systems”, Campus-Wide Information Systems, 2006 - The international journal of information and learning technology (ISSN 1065-0741), (Vol.23 M0.3, pp.138-148) (pdf)

Fidas, C.A., Politis, P., Komis, V., Avouris, N., "An environment for constructing and exploring   visual models of logic propositions by young students", Lecture Notes in Artificial Intelligence (LNAI), Springer - Verlag, May 2006

Fidas, C.A., Avouris, N., Politis, P., Komis, V., (2006), "On supporting young students in visual logic modeling", Main IFIP Series, Artificial Intelligence Applications and Innovations (AIAI), Springer-Verlag, June 2006, (Sciences Citation Index)

2005

Fidas, C.A., Komis (V.), Tzanavaris (S.), Avouris (N.), “Heterogeneity of learning material in synchronous computer-supported collaborative modelling”, Computers and Education, Elsevier, 2005, 44 (2), pp 135-154.

V. Kapsalis, C.A. Fidas, C.Tranoris, A.Stoica (2005), "Edu-Smile: A context–aware service for synchronous support in web–based educational systems", Τhe 5th IEEE International Conference on Advanced Learning Technologies.

2004 

Avouris N., Komis V., Margaritis M., Fidas C.A. , "ModellingSpace: A tool for synchronous collaborative problem solving", Proceedings ED Media, AACE Conf., Lugano, June 2004.

2003

Avouris N., Tselios N., Fidas C.A., Papachristos E., (2003). "Website evaluation: A usability-based perspective", in Manolopoulos et al. (ed.), Advances in Computer Science, LNCS No 2563, pp. 217-232, Springer Verlag, Berlin, 2003.

Komis (V.), Avouris (N.), Fidas C.A., in B. Wasson, S. Ludvigsen & U. Hoppe (ed.), Designing for Change in Networked Learning Environments, “A study on Heterogeneity during real-time collaborative problem solving”, CSCL 2003: Computer Support for Collaborative Learning, Bergen, Norway, 14-18 June 2003, Kluwer Academic Publishers , pp. 411-420.

Margaritis M., Fidas C.A., Avouris N., Komis V., "A peer-to-peer architecture for synchronous collaboration over low-bandwidth networks", in K. Margaritis, I Pitas (ed.) Proc 9th PCI 2003, pp. 231-242, Thessaloniki, November 2003.

2002

Komis (V.), Avouris (N.), Fidas (C.A.), “Computer Supported collaborative concept mapping: Study of Interaction”, Education and Information Technologies, 2002, 7:2, pp. 169-188.

Avouris (N.), Dimitracopoulou (A.), Komis (V.), Fidas (C.A), “OCAF: An object-oriented model of analysis of collaborative problem solving” in G. Stahl (edited by), Computer Support For Collaborative Learning: Foundations For A CSCL Community, Proceedings of CSCL 2002, Boulder, Colorado, USA, January 7 – 11, 2002, Lawrence Erlbaum Associates, Inc., pp. 92-101

Fidas (C.A.), Komis (V.), Avouris (N.), Dimitracopoulou (A.), “Collaborative Problem Solving using an Open Modeling Environment” in G. Stahl (edited by), Computer Support For Collaborative Learning: Foundations For A CSCL Community, Proceedings of CSCL 2002, Boulder, Colorado, USA, January 7 – 11, 2002, Lawrence Erlbaum Associates, Inc., Short Paper, pp. 654-655.

Dimitracopoulou (A.), Avouris (N.), Komis (V.), Fidas (C.A.), “Towards open object-oriented models of collaborative problem solving interaction” in P. Jermann, M. Mulenbrock & A. Soler, Workshop Designing Computational Models of Collaborative Learning Interaction, Computer Support For Collaborative Learning: Foundations For A CSCL Community, Proceedings of CSCL 2002, Boulder, Colorado, USA, January 7 – 11, 2002, pp 52-58.

2001

Fidas (C.A.), Komis (V.), “The architectural design of a real time collaborative concept-mapping environment from distance” in P. Dillenbourg & A. Eurelings, Proceedings of Euro Computer Supported Collaborative Learning, Maastricht, March 22-24, 2001, Short Paper, pp. 656-659

Fidas (C.A.), Komis (V.), Avouris (N.), “Design of collaboration-support tools for group problem solving” in N. Avouris & N. Facotakis, Advances in Human – Computer Interaction, Proceedings of the Panhellenic Conference with International Participation in Human - Computer Interaction, December 7-9, 2001, University of Patras, pp. 263-268

Stoica (A.), Tselios (N.K.), Fidas (C.A.), "Adaptive user support in educational environments: A bayesian Network approach". In Human Computer Interaction 2001.Panhellenic conference with international participation, December 7-9 2001, Patras, Greece

Tselios (N.K), Fidas (C.A.), Avouris (N.M.), "Usability evaluation of web- based applications", 8th Panhellenic Conference on Informatics, vol II, pp. 108-117, Nicosia, November 2001, Livanis Publ., Athens, Greece.

A.G. Stoica, N.K. Tselios, C.A. Fidas, "Adaptive user support in educational environments: A Bayesian Network Approach" in The Annals of “Dunarea de Jos” University, Fascicle I, 2001 Year, ISSN 1221-9351, pp. 31.

 

 

 

 

 

 

 

 

 



Computer-supported collaborative learning has been an active area of research since the beginning for the HCI group more>>



Web usability team of the HCI Group has been active in studying human-web interaction and ways to support the design of accessible, findable, usable and aesthetically appealing web sites. more>>


Mobile Technology Unit of the HCI Group has been studying design and evaluation of mobile applicationss more>>

Hci Group | Electrical and Computer Engineering | University of Patras