Costas Djouvas

Assistant Professor

Department of Communication and Internet Studies

Constantinos Tziouvas is an Assistant Professor at the Department of Communication and Internet Studies of the Cyprus University of Technology. He holds a Ph.D. degree from the City University of New York, an M.Sc. degree from the University of Cyprus and a B.Sc. degree from the University of Crete. His doctoral research concentrated on Network Testing and it was funded by the National Science Foundation (NSF). During his Ph.D. studies, he collaborated with leading institutions in the USA, including the Naval Research Lab (NRL) and the Massachusetts Institute of Technology (MIT). His current research focuses on the use of Big [...]

Research

His current research work focuses on proposing and developing innovative computational techniques for the collection, processing, and analyzing vast amounts of heterogeneous data, in order to gain new insights into socio-cultural phenomena. His research also focuses on data visualization, aiming at a simple and clear representation of newly acquired knowledge.

Research Projects

A/A	Date	Title	Funded by	Project Role
1	2021	DEMOTEC - Εngaging citizens in decision-making	H2020	Research Team Member
2	2018	RePast - Revisiting the Past, Anticipating the Future	H2020	Research Team Member
3	2016	COHESIFY – Understanding the Impact of EU Cohesion Policy on European Identification	H2020	Research Team Member
4	2016	Terpsichore - Transforming Intangible Folkloric Performing Arts into Tangible Choreographic Digital Objects	H2020	Researcher
5	2016	ENCASE - EnhaNcing seCurity And privacy in the Social wEb: a user centered approach for the protection of minors	H2020	Researcher
6	2014	RėCyprus – Supporting Participatory Community Media and Citizens’ Media Literacy in Cyprus	General for Communication of the European Parliament	Research Team Member
7	2012	Conflict and Violence in Cypriot Television: New Journalistic Forms and Practices for Mediating Conflict and Violence in the Cypriot Public Sphere	Research Promotion Foundation (RPF)	Research Team Member
8	2011	Utilization of advanced technologies in the payment, use, and management of public Parking Sites	European Regional Development Fund (ERDF)	Research Team Member
9	2005	NeTS-NR: Experimental Research to Investigate Principles of Network Interoperability Testing	National Science Foundation (NSF)	Research Team Member

Publications

International Journals

V. Manavopoulos, F. Mendez, C. Djouvas, “Mapping Voters’ Engagement with Political Information Sites: The Case of Voting Advice Applications”, European Consortium for Political Research, 2020
N. Tsapatsoulis, and C. Djouvas, “Opinion mining from social media short texts: Does collective intelligence beat deep learning?”, Frontiers Robotics AI, vol. 6, article 138, 2019
V. Triga, F. Mendez, and C. Djouvas, “Post-crisis Political Normalisation? The 2018 Presidential Elections in the Republic of Cyprus”, South European Society and Politics, 24:1, 103 – 127, DOI: 10.1080/13608746.2018.1511347
C. Djouvas, F. Mendez, and N. Tsapatsoulis, “Mining online political opinion surveys for suspect entries: An interdisciplinary comparison,” Journal of Innovation in Digital Ecosystems, vol. 3, no. 2, pp. 172-182, 2016.
N. Tsapatsoulis, M. Agathokleous, C. Djouvas, and F. Mendez, “On the design of Social Voting Recommendation Applications”, International Journal on Artificial Intelligence Tools, vol. 24, no. 03, pp. 1550009, 2015.
Katakis, N. Tsapatsoulis, F. Mendez, V. Triga, and C. Djouvas, “Social voting advice applications-definitions, challenges, datasets and evaluation,” IEEE transactions on cybernetics, vol. 44, no. 7, pp. 1039-1052, 2013.
L. Lambrinos and C. Djouvas, “Improving quality of experience in wireless voip through novel call scheduling,” Telecommunication Systems, vol. 52, no. 4, pp. 1905-1916, 2013.
C. Djouvas, N. D. Griffeth, and N. A. Lynch, “Testing self-similar networks,” Electronic Notes in Theoretical Computer Science, vol. 164, no. 4, pp. 67-82, 2006.

Book Chapters

C. Djouvas, and K. Gemenis, "Pattern-based rogue identification," in Voting Advice Applications in Modern Political Campaigns and Elections (Under Review).
M. Agathokleous, and C. Djouvas, "Design and employment issues of Social Voting Recommendation," in Voting Advice Applications in Modern Political Campaigns and Elections (Under Review).
C. Chrysostomou, C. Djouvas, and L. Lambrinos, “Fuzzy logic-based adaptive decision support in autonomous vehicular networks,” in Computational Intelligence for Decision Support in Cyber-Physical Systems, pp. 215-236, Springer, 2014.
L. Lambrinos and C. Djouvas, “Using location information for sophisticated emergency call management,” in Wireless Mobile Communication and Healthcare, pp. 227-232, Springer, 2011.

Conference Proceedings

K. Gemenis, and C. Djouvas, “SmartCoding: An Online Platform for Estimating Political Parties' Policy Positions”, 4th International Workshop On Semantic And Social Media Adaptation And Personalization (SMAP 2019), Larnaca, Cyprus, Juny 2019
D. Milioni, L. Kollyri, and C. Djouvas, "Algorithmic profiling and news personalization", Amsterdam Privacy Conference (APC 2018), Amsterdam, Netherlands, October 2018.
C. Djouvas, A. Antoniou, and N. Tsapatsoulis, "Improving Social Vote Recommendation in VAAs: The effects of political profile augmentation and classification method", Proceedings of the 13th International Workshop on Semantic and Social Media Adaptation and Personalization (SMAP 2018), pp. 1-6, Zaragoza, Spain, September 2018.
Founta, C. Djouvas, D. Chatzakou, I. Leontiadis, J. Blackburn, G. Stringhini, A. Vakali, M. Sirivianos and N. Kourtellis, “Large Scale Crowdsourcing and Characterization of Twitter Abusive Behavior”. International AAAI Conference on Web and Social Media (ICWSM), 2018.
Djouvas, "Different Technologies, same Assumptions? Comparing the Response Behaviour (and Political Stance) of Mobile versus Desktop VAA users", in the Proceedings of the 11th European Consortium of Political Research (ECPR 2017), Olso, Norway, September 2017.
M. Agathokleous, N Tsapatsoulis, and C. Djouvas, “Estimating Party-user Similarity in Voting Advice Applications using Hidden Markov Models.” in the Proceedings of the Joint Workshop on Interfaces and Human Decision Making for Recommender Systems co-located with ACM Conference on Recommender Systems (RecSys 2016), Boston, MA, USA, September 16, 2016.
C. Djouvas, and K Gemenis, “SmartCoding: A web-based system for estimating parties policy positions” in WEBDATANET Conference, Salamanca, Spain, 2015.
F. Mendez, K. Gemenis, and C. Djouvas, “Pattern-based rogue identification,” in WEBDATANET Conference, Salamanca, Spain, 2015.
C. Djouvas, and N. Tsapatsoulis, “A view behind the scene: Data structures and software architecture of a vaa,” in Semantic and Social Media Adaptation and Personalization (SMAP), 2014 9th International Workshop on, pp. 136-141, IEEE, 2014.
F. Mendez, K. Gemenis, and C. Djouvas, “Methodological challenges in the analysis of voting advice application generated data,” in Semantic and Social Media Adaptation and Personalization (SMAP), 2014 9th International Workshop on, pp. 142-148, IEEE, 2014.
C. Djouvas, K. Gemenis, and F. Mendez, “Weeding out the rogues: How to identify them and why it matters for vaa-generated datasets,” in European Consortium for Political Research General Conference, 2014.
C. Chrysostomou, C. Djouvas, and L. Lambrinos, “Contention window adaptation for broadcast beaconing in vehicular ad hoc networks,” in Wireless Communications and Mobile Computing Conference (IWCMC), 2014 International, pp. 1039-1044, IEEE, 2014.
L. Lambrinos, C. Djouvas, and C. Chrysostomou, “Applying delay tolerant networking routing algorithms in maritime communications,” in World of Wireless, Mobile and Multimedia Networks (WoWMoM), 2013 IEEE 14th International Symposium and Workshops on a, pp. 1-6, IEEE, 2013.
L. Lambrinos, P. Kolios, and C. Djouvas, “Dimensioning voip capacity in maritime networks,” in Communications (ICC), 2013 IEEE International Conference on, pp. 2486-2490, IEEE, 2013.
C. Chrysostomou, C. Djouvas, and L. Lambrinos, “Dynamically adjusting the min-max contention window for providing quality of service in vehicular networks,” in Ad Hoc Networking Workshop (Med-Hoc-Net), 2012 The 11th Annual Mediterranean, pp. 16-23, IEEE, 2012.
Katakis, N. Tsapatsoulis, V. Triga, C. Tziouvas, and F. Mendez, “Clustering online poll data: Towards a voting assistance system,” in Semantic and Social Media Adaptation and Personalization (SMAP), 2012 Seventh International Workshop on, pp. 54-59, IEEE, 2012.
C. Chrysostomou, C. Djouvas, and L. Lambrinos, “Applying adaptive qos-aware medium access control in priority-based vehicular ad hoc networks,” in Computers and Communications (ISCC), 2011 IEEE Symposium on, pp. 741-747, IEEE, 2011.
L. Lambrinos and C. Djouvas, “Creating a maritime wireless mesh infrastructure for real-time applications,” in GLOBECOM Workshops, 2011 IEEE, pp. 529-532, IEEE, 2011.
C. Tziouvas, L. Lambrinos, and C. Chrysostomou, “A delay tolerant platform for voice message delivery,” in Wireless Personal Multimedia Communications (WPMC), 2011 14th International Symposium on, pp. 1-5, IEEE, 2011.
C. Chrysostomou, L. Lambrinos, and C. Djouvas, “The need for a system design methodology to address challenges in wireless access in vehicular ad hoc networks,” in Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT), 2010 International Congress on, pp. 1226-1231, IEEE, 2010.
L. Lambrinos and C. Djouvas, “Applying scheduling policies to improve qos in wireless voice-over-ip,” in Performance Computing and Communications Conference (IPCCC), 2009 IEEE 28th International, pp. 366-370, IEEE, 2009.
N. Griffeth, Y. Cantor, and C. Djouvas, “Testing a network by inferring representative state machines from network traces,” in Software Engineering Advances, International Conference on, pp. 31-31, IEEE, 2006.
C. Djouvas and N. Griffeth, “Experimental method for testing networks,” Proceedings of SERP05-The 2005 International Conference on Software Engineering Research and Practice, 2005.
G. Hadjipollas, C. Chrysostomou, C. Djouvas, and A. Pitsillides, “Integrated Dynamic Congestion Control with Resource Management in a Differentiated Services Environment,” ACMSAC, 2004.

Technical Reports

C. Djouvas, N. Griffeth, and N. Lynch, “Using self-similarity for efficient network testing,” Technical report, Lehman College, 2005.

Software

Constantinos Djouvas, & Fernando Mendez. (2018, October 16). Balancing algorithm (Version 0.1). Zenodo. http://doi.org/10.5281/zenodo.1464104

Studies

Qualification	Year	Awarding Institution	Department	Thesis title
Ph.D.	2009	The Graduate Center, City University of New York	Computer Science	Simplifying Network Testing: Techniques and Approaches towards Automating and Simplifying the Testing Process
M.Phil.	2006	The Graduate Center, City University of New York	Computer Science
M.Sc.	2003	University of Cyprus	Computer Science	Quality of Service (QoS) through Resource Management in Differentiated Services
B.Sc.	2001	University of Crete	Computer Science	Realization of Programs Library for Structures of Balanced Trees in C and Java

Teaching

CIS108E: Software and Problem Solving
CIS 202: Content Management
CIS 350: Web Design & Development
CIS 354: Interactive Websites
CIS 416: Big Data and Algorithms: Social Implications and Research Methods
CIS 491-2-3-4: Bachelor’s Thesis

Posts

Period of employment		Employer	Location	Position
From	To	Employer	Location	Position
2021	Present	Cyprus University of Technology	Limassol	Assistant Professor
2011	2021	Cyprus University of Technology	Limassol	Special Teaching Staff
2009	2011	Cyprus University of Technology	Limassol	Research Associate
2009	2009	Cyprus University of Technology	Limassol	Instructor

Costas Djouvas

Assistant Professor

costas.tziouvas@cut.ac.cy

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