International journals
 
• D. Gavalas, V. Kasapakis, C. Konstantopoulos, G. Pantziou, N. Vathis and C. Zaroliagis, "The eCOMPASS Multimodal Tourist Tour Planner", accepted from Expert Systems with Applications, Elsevier Science, in press [PDF].
• V. Kasapakis and D. Gavalas, "Pervasive Gaming: Status, Trends and Design Principles", accepted from Journal of Network and Computer Applications, Elsevier Science, in press [PDF].
• V. Kasapakis, D. Gavalas and N. Bubaris, "Pervasive Games Field Trials: Recruitment of Eligible Participants through Preliminary Game Phases", accepted from the Personal and Ubiquitous Computing, Special Issue on “Mobile and Pervasive Games”, Springer Science, in press [PDF].
• D. Gavalas, C. Konstantopoulos, K. Mastakas, G. Pantziou and N. Vathis, "Heuristics for the Time Dependent Team Orienteering Problem: Application to Tourist Route Planning", Computers & Operations Research, Elsevier Science, 62, pp. 36-50, October 2015 [PDF].
• D. Gavalas, C. Konstantopoulos, K. Mastakas, G. Pantziou and N. Vathis, "Approximation Algorithms for the Arc Orienteering Problems", Information Processing Letters, Elsevier Science, 115(2), pp. 313-315, February 2015 [PDF].
• D. Gavalas, C. Konstantopoulos, K. Mastakas and G. Pantziou, “A Survey on Algorithmic Approaches for Solving Tourist Trip Design Problems”, Journal of Heuristics, Springer Science, 20(3), pp. 291-328, June 2014 [PDF].
• D. Gavalas, C. Konstantopoulos, K. Mastakas and G. Pantziou, "Mobile Recommender Systems in Tourism", Journal of Network and Computer Applications (SCI-indexed), Elsevier Science, 39, pp. 319-333, March 2014 [PDF].
• G.E. Tsekouras and D. Gavalas, "An Effective Fuzzy Clustering Algorithm for Web Document Classification: A Case Study in Cultural Content Mining", International Journal of Software Engineering and Knowledge Engineering (IJSEKE) (SCI-indexed), World Scientific, 23(6), pp. 869-886, August 2013 [PDF].
• A. Kameas, D. Gavalas, C. Goumopoulos, P. Nicopolitidis and G. Giaglis, "Distance Learning: A Postgraduate PerCom Program", IEEE Pervasive Computing (SCI-indexed), 13(2), pp. 83-85, April-June 2013.
• D. Gavalas, M. Kenteris, C. Konstantopoulos and G. Pantziou, "A Web Application for Recommending Personalized Mobile Tourist Routes", IET Software (SCI-indexed), 6(4), pp. 313-322, August 2012 [PDF]
• C. Konstantopoulos, G. Pantziou, D. Gavalas, A. Mpitziopoulos and B. Mamalis, "A Rendezvous-Based Approach Enabling Energy-Efficient Sensory Data Collection with Mobile Sinks", IEEE Transactions in Parallel & Distributed Systems (SCI-indexed), 23(5), pp. 809-817, May 2012.
• D. Gavalas and M. Kenteris, "Evaluation of a Web Recommender System in Electronic and Mobile Tourism", International Journal of Web Engineering and Technology (IJWET), InderScience, 7(1), pp. 4-21, March 2012 [PDF]
• D. Gavalas and M. Kenteris, "A Pervasive Web-Based Recommendation System for Mobile Tourist Guides", Personal and Ubiquitous Computing (SCI-indexed), Springer Science, 15(7), pp. 759-770, October 2011.
• M. Kenteris, D. Gavalas and D. Economou, "Mytilene E-guide: A Multiplatform Mobile Application Tourist Guide Exemplar", Multimedia Tools and Applications (SCI-indexed), Springer Science, 54(2), 241-262, August 2011.
• E. Vlachogiannis, D. Gavalas, C. Anagnostopoulos and G. Tsekouras, "Accessible Interactive Television Using the MPEG-21 Standard", International Journal of Universal Access in the Information Society (UAIS), Springer Science, Special Issue on "Pervasive Technologies and Assistive Environments: Social Impact, Financial, Government And Privacy Issues", 10(2), pp. 151-163, June 2011 [PDF]
• M. Kenteris, D. Gavalas and D. Economou, "Electronic Mobile Guides: A Survey", Personal and Ubiquitous Computing (SCI-indexed), Springer Science, 15(1), pp. 97-111, January 2011 [PDF]
• D. Gavalas and D. Economou, "Development Platforms for Mobile Applications: Status and Trends", IEEE Software (SCI-indexed), 28(1), pp. 77-86, January/February 2011 [PDF].
• A. Mpitziopoulos, C. Konstantopoulos, D. Gavalas and G. Pantziou, "A Pervasive Assistive Environment for Visually Impaired People Using Wireless Sensor Network Infrastructure", Journal of Network and Computer Applications (SCI-indexed), Elsevier Science, 34(1), pp. 194-206, January 2011 [PDF]
• C. Konstantopoulos, A. Mpitziopoulos, D. Gavalas and G. Pantziou, "Effective Determination of Mobile Agent Itineraries for Data Fusion Tasks on Sensor Networks", IEEE Transactions on Knowledge and Data Engineering (IF: 2.285), IEEE, 22(12), pp. 1679-1693, December 2010 [PDF].
• A. Mpitziopoulos, D. Gavalas, C. Konstantopoulos and G. Pantziou, "CBID: A Scalable Method for Distributed Data Aggregation in WSNs", International Journal of Distributed Sensor Networks (IF: 0.447), Hindawi Publishing Corporation, 2010 [PDF].
• I. Anagnostopoulos, C.N. Anagnostopoulos, E. Vlachogiannis, D. Gavalas and G. Tsekouras, "Adaptive and Personalized Multimedia Content Delivery for Disabled Users in Internet TV", Signal, Image and Video Processing, Springer Science, 4(3), pp. 273-287, September 2010. [PDF].
• D. Gavalas, A. Mpitziopoulos, G. Pantziou and C. Konstantopoulos, "An Approach for Near-Optimal Distributed Data Fusion in Wireless Sensor Networks", Wireless Networks (IF: 1.088), Springer Science, 16(5), pp. 1407-1425, July 2010 [PDF].
• A. Mpitziopoulos, D. Gavalas, G. Pantziou and C. Konstantopoulos, "A Survey on Jamming Attacks and Countermeasures in WSNs", IEEE Communications Surveys and Tutorials, 11(4), pp. 42-56, October 2009 [PDF].
• K. Zafeiri and D. Gavalas, "Museum Shops: Experiences Gained from Developing Electronic and Mobile Commerce Solutions", International Scientific Electronic Journal of Museology, ISSN: 1109-9448, 5, pp. 63-82, July 2009 [PDF].
• C. Konstantopoulos, B. Mamalis, G. Pantziou and D. Gavalas, "Efficient Parallel Text Retrieval techniques on Bulk Synchronous Parallel (BSP)/Coarse Grained Multicomputers (CGM)", Journal of Supercomputing, Springer Science, 48(3), pp. 286-318, June 2009 [PDF].
• A. Mpitziopoulos, D. Gavalas, C. Konstantopoulos and G. Pantziou, "JAID: An Algorithm for Data Fusion and Jamming Avoidance on Distributed Sensor Networks", Pervasive and Mobile Computing, Elsevier Science, Special Issue on "Homeland and Global Security", 5(2), pp. 135-147, April 2009 [PDF].
• A. Mpitziopoulos and D. Gavalas, "An Effective Defensive Node against Jamming Attacks in Sensor Networks", Security and Communication Networks, Wiley InterScience, Special Issue on "Security in Wireless Sensor Networks", 2(2), pp. 145 - 163, March/April 2009 [PDF].
• D. Gavalas, G.E. Tsekouras and C. Anagnostopoulos, "A Mobile Agent Platform for Distributed Network and Systems Management", Journal of Systems and Software, Elsevier Science, 82(2), pp. 355–371, February 2009 [PDF].
• M. Kenteris, D. Gavalas and D. Economou, "An Innovative Mobile Electronic Tourist Guide Application", Personal and Ubiquitous Computing (ISSN: 1617-4909), Springer Science, 13(2), pp. 103-118, February 2009 [PDF].
• D. Gavalas, G. Pantziou, C. Konstantopoulos and B. Mamalis, "ABP: A Low-Cost, Energy-Efficient Clustering Algorithm for Relatively Static and Quasi-Static MANETs", International Journal of Sensor Networks (IJSNet), InderScience Publishers, 4(4), pp. 260-269, December 2008 [PDF].
• G.E. Tsekouras, A. Mamalis, C. Anagnostopoulos, D. Gavalasand D. Economou, "Improved Batch Fuzzy Learning Vector Quantization for Image Compression", Information Sciences, Elsevier Science, Special Issue on "Industrial Applications of Neural Networks", 178 (20), pp. 3895-3907, October 2008.
• D. Economou ,D. Gavalas, M. Kenteris and G.E. Tsekouras, "Cultural Applications for Mobile Devices: Issues and Requirements for Authoring Tools and Development Platforms", ACM SIGMOBILE Mobile Computing & Communications Review, 12(3), pp. 18-33, July 2008 [PDF].
• C.N. Anagnostopoulos, E. Vlachogiannis, I. Psoroulas, D. Gavalas, G. Tsekouras and G. Konstantas, "Intelligent Content Personalization in Internet TV Using MPEG-21", International Journal of Internet Protocol Technology (IJIPT), ISSN: 1743-8209, InderScience Publishers, Special Issue on "Intelligent Internet-based Systems: Emerging Technologies and Programming Techniques", 3(3), pp. 159-169, July 2008 [PDF].
• C. Konstantopoulos, D. Gavalas and G. Pantziou, "Clustering in Mobile Ad-Hoc Networks through Neighborhood Stability-Based Mobility Prediction", Computer Networks, Elsevier Science, 52(9), pp. 1797-1824, June 2008 [PDF].
• D. Gavalas, G. Pantziou, C. Konstantopoulos and B. Mamalis, "LIDAR: A Protocol for Stable and Energy-Efficient Clustering of Ad-Hoc Multihop Networks", Telecommunication Systems (ISSN: 1018-4864), Springer Science, Special Issue on "Personal Wireless Communications", 36 (1-3), pp. 13-25, November 2007 [PDF].
• A. Mpitziopoulos and D. Gavalas, "Countermeasures Against Radio Jamming Attacks in Wireless Sensor Networks", International Journal of Computer Research (ISSN: 1535-6698), Nova Science Publishers, Special Issue on "Advances in Ad Hoc Network Security", 15(1).
• D. Gavalas and D. Economou, "The Technology Landscape of Wireless Web", International Journal of Mobile Communications (ISSN: 1470-949X), Inderscience Publishers, 5(5)  pp. 508-527, May 2007. [PDF]
• D. Economou, D. Gavalas, M. Kenteris and K. Micha, "Multimedia Applications for Handheld Devices: Analysis of Requirements for Development Platforms and Application Authoring Tools", Journal of Mobile Multimedia , Rinton Press, 3(1), pp. 65-87, March 2007.
• D. Gavalasand C. Politi, "Low-Cost Itineraries for Multi-Hop Agents Designed for Scalable Monitoring of Multiple Subnets", Computer Networks , Elsevier Science , 50(16), pp. 2937-2952, November 2006. [PDF]
• C. Politi, C. Matrakidis, A. Stavdas, D. Gavalas and M. O'Mahony, "Single Layer Multigranular OXCs Architecture with Conversion Capability and Enhanced Flexibility", Journal of Optical Networking, Optical Society of America (OSA), 5(12), pp. 1002-1012, November 2006 [PDF].
• K. Zafeiri, D. Gavalasand A. Balla, "Selling Culture: Implementation of e-Commerce and WAP-based Prototypes", International Review on Computers and Software ( ISSN: 1828-6003 ), 1(1), pp 68-76, Praise Worthy Prize, July 2006. [PDF]
• D. Gavalas, "A Heuristic Algorithm for Designing Near-Optimal Mobile Agent Itineraries", Journal of Communications and Networks, IEEE/KICS , 8(1), pp. 123-131, March 2006.
• D. Gavalas, "An Experimental Approach for Optimising Mobile Agent Migrations", Mediterranean Journal of Computers and Networks , 1(1), pp. 47-56, SoftMotor Ltd., ISSN: 1744-2397, July 2005. [PDF]
• D. Gavalas, D. Greenwood, M. Ghanbari and M. O'Mahony, "Hierarchical Network Management: A Scalable and Dynamic Mobile Agent-Based Approach", Computer Networks , Elsevier Science , 38(6), pp. 693-711, April 2002. [PDF]
• D. Gavalas, D. Greenwood, M. Ghanbari and M. O'Mahony, "Mobile Software Agents for Decentralised Network & Systems Management", invited paper, Microprocessors and Microsystems , Elsevier Science, 25(2), pp.101-109, special issue on "Mobile Agent technology: from first proposals to current evolutions", April 2001. [PDF]
• D. Gavalas, D. Greenwood, M. Ghanbari and M. O'Mahony, "Advanced Network Monitoring Applications Based on Mobile/Intelligent Agent Technology", Computer Communications , Elsevier Science, 23(8), pp. 720-730, special issue on "Mobile Software Agents for Telecommunication Applications", April 2000. [PDF]
 
International conferences
 
• A. Dasios, D. Gavalas, G. Pantziou and C. Konstantopoulos, "Wireless Sensor Network Deployment for Remote Elderly Care Monitoring", Proceedings of the 8th International Conference on PErvasive Technologies Related to Assistive Environments (PETRA’2015), ACM, Corfu, Greece, 1-3 July 2015 [PDF].
• D. Gavalas, V. Kasapakis, C. Konstantopoulos, G. Pantziou, N. Vathis and C. Zaroliagis, "A Personalized Multimodal Tourist Tour Planner", Proceedings of the 13th International Conference on Mobile and Ubiquitous Multimedia (MUM’2014), pp. 73-80, Melbourne, Australia, 25-28 November 2014 [PDF].
• V. Kasapakis and D. Gavalas, "Blending History and Fiction in a Pervasive Game Prototype", Proceedings of the 13th International Conference on Mobile and Ubiquitous Multimedia (MUM’2014), pp. 116-122, Melbourne, Australia, 25-28 November 2014 [PDF].
• T. Chatzidimitris, D. Gavalas and V. Kasapakis, "PacMap: Transferring PacMan to the Physical Realm", Proceedings of the International Conference on Pervasive Games (PERGAMES’2014), Rome, Italy, 27 October 2014 [PDF].
• V. Kasapakis, D. Gavalas and T. Chatzidimitris, "Evaluation of Pervasive Games: Recruitment of Qualified Participants through Preparatory Game Phases", Proceedings of the International Conference on Pervasive Games (PERGAMES’2014), Rome, Italy, 27 October 2014 [PDF].
• C. Konstantopoulos, G. Pantziou, N. Vathis, V. Nakos and D. Gavalas, "Efficient Mobile Sink-Based Data Gathering in Wireless Sensor Networks with Guaranteed Delay", Proceedings of the 12th ACM International Symposium on Mobility Management and Wireless Access (MOBIWAC’2014), pp. 47-54, Montreal, QC, Canada, 21-26 September 2014 [PDF].
• I. Venetis, G. Pantziou, D. Gavalas and C. Konstantopoulos, "Benchmarking Mobile Agent Itinerary Planning Algorithms for Data Aggregation on WSNs", Proceedings ofthe 6th International Conference on Ubiquitous and Future Networks (ICUFN’2014), pp. 105-110, Shanghai, China, 8-11 July 2014 [PDF].
• C. Konstantopoulos, I. Venetis, G. Pantziou and D. Gavalas "An Efficient Event Handling Protocol for Wireless Sensor and Actor Networks", Proceedings of the 19th IEEE Symposium on Computers and Communication (ISCC’2014), pp. 1-6, Madeira, Portugal, 23-26 June 2014 [PDF].
• D. Gavalas, C. Konstantopoulos, K. Mastakas, G. Pantziou and N. Vathis, "Efficient Heuristics for the Time Dependent Team Orienteering Problem with Time Windows", Proceedings of the International Conference on Applied Algorithms (ICAA’2014), LNCS Vol. 8321, Springer-Verlag, P. Gupta and C. Zaroliagis (Eds.), pp. 151-162, Kolkata, India, 13-15 January 2014 [PDF].
• V. Kasapakis, D. Gavalas and N. Bubaris, "Pervasive Games Research: A Design Aspects-Based State of the Art Report", Proceedings of the 17th Panhellenic Conference on Informatics (PCI’2013), pp. 152-157, Thessaloniki, Greece, 19-21 September 2013 [PDF].
• T. Chatzidimitris, E. Kavakli, M. Economou and D. Gavalas, "Mobile Augmented Reality Edutainment Applications for Cultural Institutions", Proceedings of the 4th International Conference on Information, Intelligence, Systems and Applications (IISA’2013), pp. 270-274, Piraeus, Greece, 10-12 July 2013 [PDF].
• D. Gavalas, V. Kasapakis, C. Konstantopoulos, K. Mastakas and G. Pantziou, "A Survey on Mobile Tourism Recommender Systems", Proceedings of the 3rd International Conference on Communications and Information Technology (ICCIT'2013), pp. 131-135, Beirut, Lebanon, 19-21 June 2013 [PDF].
• V. Kasapakis and D. Gavalas, "Addressing Openness and Portability in Outdoor Pervasive Role-Playing Games",Proceedings of the 3rd International Conference on Communications and Information Technology (ICCIT'2013), pp. 93-97, Beirut, Lebanon, 19-21 June 2013 [PDF].
• D. Gavalas, C. Konstantopoulos, K. Mastakas, G. Pantziou and Y. Tasoulas, "Cluster-based Heuristics for the Team Orienteering Problem with Time Windows", Proceedings of the 12th International Symposium on Experimental Algorithms (SEA'2013), LNCS Vol. 7933, Springer-Verlag, V. Bonifaci et al. (Eds.), pp. 390-401, Rome, Italy, 5-7 June 2013 [PDF].
• D. Gavalas, M. Kenteris, C. Konstantopoulos and G. Pantziou, "Personalized Routes for Mobile Tourism", Proceedings of the 2011 IEEE 7th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob'2011), pp. 295-300, Shanghai, China, 10-12 October 2011.
• D. Gavalas, G. Pantziou, C. Konstantopoulos, Preface, Proceedings of the 2nd International Workshop on Mobility in Wireless Sensor Networks (MobiSensor'2011), Barcelona, Spain, 29 June 2011.
• D. Gavalas, G. Pantziou, C. Konstantopoulos, Preface, Proceedings of the 1st International Workshop on Mobility in Wireless Sensor Networks (MobiSensor'2010), Santa Barbara, California, USA, June 23, 2010.
• M. Kenteris, D. Gavalas, G. Pantziou and C. Konstantopoulos, "Near-Optimal Personalized Daily Itineraries for a Mobile Tourist Guide", Proceedings of the 15th IEEE Symposium on Computers and Communications (ISCC'2010), pp. 862-864, Riccione, Italy, 22-25 June 2010.
• M. Kenteris, D. Gavalas and A. Mpitziopoulos, "A Mobile Tourism Recommender System", Proceedings of the 15th IEEE Symposium on Computers and Communications (ISCC'2010), pp. 840-845, Riccione, Italy, 22-25 June 2010.
• G. Pantziou, A. Mpitziopoulos, D. Gavalas, C. Konstantopoulos and B. Mamalis, "Mobile Sinks for Information Retrieval from Cluster-Based WSN Islands", Proceedings of the 8th International Conference on AD-HOC Networks & Wireless (AdHoc-NOW'2009), LNCS 5793, Springer-Verlag, P.M. Ruiz and J.J. Garcia-Luna-Aceves (Eds.), pp. 213-226, Murcia, Spain, 16-19 September 2009 [PDF].
• G. Pantziou, P. Belsis, D. Gavalas, C. Konstantopoulos and B. Mamalis, "A Scheme for On-Site Service Provision in Pervasive Assistive Environments", Proceedings of the 2nd International Conference on PErvasive Technologies Related to Assistive Environments (PETRA'2009), Corfu, Greece, 9-13 June 2009 [PDF].
• G. Tsekouras, D. Gavalas, S. Filios, A. Niros and G. Bafaloukas, "A Clustering Framework to Build Focused Web Crawlers for Automatic Extraction of Cultural Information", Proceedings of the 5th Hellenic Conference on Artificial Intelligence (SETN'2008), J. Darzentas et al. (Eds.), LNAI vol. 5138, pp. 419-424, Syros, Greece, 2-4 October 2008.
• M. Kenteris, D. Economou, D. Gavalas and D. Zamplaras, "Deploying Thick Mobile Clients using Thin Client Architecture: a Case in Mobile Tourist Guides", Proceedings of the 1st World Summit on the Knowledge Society (WSKS'2008), M.D. Lytras et al. (Eds.), Communications in Computer and Information Science (CCIS) Vol. 19, Springer, Athens, Greece, pp. 635-640, 24-28 September 2008 [PDF].
• M. Kenteris, D. Gavalas and D. Economou, "Evaluation of Mobile Tourist Guides", Proceedings of the 1st World Summit on the Knowledge Society (WSKS'2008), M.D. Lytras et al. (Eds.), Communications in Computer and Information Science (CCIS) Vol. 19, Springer, Athens, Greece, pp. 603-610, 24-28 September 2008 [PDF].
• M. Kenteris, M. Vafopoulos and D. Gavalas, "Cultural Informatics in Web Science: A Case of Exploiting Local Cultural Content", Proceedings of the 12th Panhellenic Conference on Informatics (PCI'2008), Samos, Greece, 28-30 August 2008.
• A. Mpitziopoulos, C. Konstantopoulos, D. Gavalas and G. Pantziou, "Distributed Hazard Monitoring for Visually Impaired People Enabled by Wireless Sensor Networking Technology", Proceedings of the 1st International Conference on PErvasive Technologies Related to Assistive Environments (PETRA'2008), ACM International Conference Proceeding Series, Vol. 282, Athens, Greece, 15-19 July 2008.
• E. Vlachogiannis, D. Gavalas, C. Anagnostopoulos and G. Tsekouras, "Towards iTV Accessibility: The MPEG-21 Case", Proceedings of the 1st International Conference on PErvasive Technologies Related to Assistive Environments (PETRA'2008), ACM International Conference Proceeding Series, Vol. 282, Athens, Greece, 15-19 July 2008.
• A. Mpitziopoulos, D. Gavalas, C. Konstantopoulos and G. Pantziou, " Exploiting the Cloning Capability of Mobile Agents for Cost-Effective Data Fusion in Wireless Sensor Networks", Proceedings of the 13th IEEE Symposium on Computers and Communications (ISCC'08), pp. pp. 963-968, Marrakech, Morocco, 6-9 July 2008 - Received 'Best Paper Award'
• M. Kenteris, D. Economou and D. Gavalas, "The Quest to Build a Multi-Platform Mobile Tourist Guide for the Municipal Council of Mytilene, Greece", Proceedings of the 2nd International Scientific Conference of the E-Business Forum in "E-Business in Travel, Tourism and Hospitality", Athens, Greece, 14 March 2008.
• C. Anagnostopoulos, G. Tsekouras, D. Gavalas, D. Economou and I. Psoroulas, "Increasing Interactivity in IPTV using MPEG-21 Descriptors", Proceedings of the 4th IFIP Conference on Artificial Intelligence Applications & Innovations (AIAI’2007), C. Boukis, L. Pnevmatikakis, L. Polymenakos, (Eds.), Vol. 247, pp. 65-72, Athens, Greece, 19-21 September 2007.
• G. Tsekouras, C. Anagnostopoulos, D. Gavalasand D. Economou, "Classification of Web Documents using Fuzzy Logic Categorical Data Clustering", Proceedings of the 4th IFIP Conference on Artificial Intelligence Applications & Innovations (AIAI’2007), C. Boukis, L. Pnevmatikakis, L. Polymenakos, (Eds.), Vol. 247, pp. 93-100, Athens, Greece, 19-21 September 2007.
•

A. Mpitziopoulos, D. Gavalas, G. Pantziou and C. Konstantopoulos, "Defending Wireless Sensor Networks from Jamming Attacks", Proceedings of the 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC’2007), ISBN: 1-4244-1144-0, Athens, Greece, 3-7 September 2007.
• A. Mpitziopoulos, D. Gavalas, C. Konstantopoulos and G. Pantziou, "Deriving Efficient Mobile Agent Routes in Wireless Sensor Networks with NOID Algorithm", Proceedings of the 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC’2007), ISBN: 1-4244-1144-0, Athens, Greece, 3-7 September 2007.
• G. E. Tsekouras, A. Mamalis, C. Anagnostopoulos, D. Economou and D. Gavalas , "Image Compression Based on a Novel Fuzzy Learning Vector Quantization Algorithm", Proceedings of the 10th International Conference on Engineering Applications of Neural Networks (EANN’2007), pp. 344-351, Thessaloniki, Greece, 29-31 August 2007.
• M. Kenteris, D. Gavalas and D. Economou, "Mobile Electronic Guides for the Masses: Optimizing Tourists Mobile Devices", Proceedings of the 11th Panhellenic Conference on Informatics (PCI'2007), ISBN: 978-960-89784-0-9, Vol. B, pp. 625-634 , Patras , Greece , 18-20 May 2007. [PDF]
• D. Gavalas, C. Konstantopoulos, B. Mamalis and G. Pantziou, "New Techniques for Incremental Data Fusion in Distributed Sensor Networks", Proceedings of the 11th Panhellenic Conference on Informatics (PCI'2007), ISBN: 978-960-89784-0-9, Vol. B, pp. 599-608, Patras, Greece, 18-20 May 2007. [PDF]
• D. Economou, D. Gavalas and M. Kenteris, "Authoring tools & development platforms: Requirements for mobile devices-enabled cultural applications", Proceedings of the 11th Panhellenic Conference on Informatics (PCI'2007), ISBN: 978-960-89784-0-9, Vol. B, pp. 419-432 , Patras , Greece , 18-20 May 2007.
• C. Konstantopoulos, D. Gavalas and G. Pantziou, "A Mobility Aware Technique for Clustering on Mobile Ad-Hoc Networks", Proceedings of the 8th International Conference on Distributed Computing and Networking (ICDCN'2006), LNCS Vol. 4308, Springer-Verlag, S. Chaudhuri et al. (Eds.), pp. 397-408, Guwahati, India, 27-30 December 2006 (acceptance ratio~13%).
• M. Kenteris, D. Gavalasand D. Economou, "Software Analysis and Design for Mobile Devices: A Case Study in Tourism", Proceedings of the 24th EuroCHRIE Congress (EuroCHRIE'2006), Thessaloniki , Greece , 25-28 October 2006.
• D. Gavalas, G. Pantziou, C. Konstantopoulos and B. Mamalis, "Stable and Energy Efficient Clustering of Wireless Ad-Hoc Networks with LIDAR Algorithm", Proceedings of the 11th IFIP International Conference on Personal Wireless Communications (PWC'2006), LNCS Vol. 4217, Springer-Verlag, P. Cuenca and L. Orozco-Barbosa (Eds.), pp. 100 - 110, Albacete, Spain, 20-22 September 2006 (acceptance ratio~28%). Selected among best confernce papers and invited for publication in a Special Issue of Telecommunication Systems journal. [PDF]
• M. Kenteris, D. Gavalasand D. Economou, "Developing Tourist Guide Applications for Mobile Devices Using the J2ME Platform", Proceedings of the 2006 Conference on Mobile Computing and Wireless Communications (MCWC'06), Amman, Jordan, 17-20 September 2006, (acceptance ratio ~ 55 %).
• D. Gavalas, D. Economou and M. Kenteris, "The Wireless Internet Technology Landscape", Proceedings of the 2006 Conference on Mobile Computing and Wireless Communications (MCWC'06), Amman, Jordan, 17-20 September 2006, (acceptance ratio ~ 55 %).
• D. Gavalas, "A Lightweight and Flexible Mobile Agent Platform Tailored to Management Applications", Proceedings of the 2006 Conference on Mobile Computing and Wireless Communications (MCWC'06), Amman, Jordan, 17-20 September 2006, (acceptance ratio ~ 55 %).
• M. Kenteris, D. Gavalasand D. Economou, "A Novel Method for the Development of Personalized Mobile Tourist Applications", Proceedings of the 5th IASTED International Conference on Communication Systems and Networks (CSN'2006), C.E. Palau Salvador (Eds.), ACTA Press, ISBN: 0-88986-606-6, pp. 208-212, Palma de Mallorca, Spain, 28-30 August 2006. [PDF]
• D. Gavalas, D. Economou and M. Kenteris,"“Status and Trends of Wireless Web Technologies", Proceedings of the 5th IASTED International Conference on Communication Systems and Networks (CSN'2006), C.E. Palau Salvador (Eds.), ACTA Press, ISBN: 0-88986-606-6, pp. 219-224, Palma de Mallorca , Spain , 28-30 August 2006. [PDF]
• D. Gavalas, G. Pantziou, C. Konstantopoulos and B. Mamalis, "Clustering of Mobile Ad Hoc Networks: An Adaptive Broadcast Period Approach", Proceedings of the IEEE International Conference on Communications (ICC'2006), pp. 4034-4039, Istanbul, Turkey, 11-15 June 2006 (accetance ratio~ 39%). Selected among the best conference papers and invited for publication in a Special Issue of the International Journal of Sensor Networks. [PDF]
• D. Gavalas, G. Pantziou, C. Konstantopoulos and B. Mamalis, "A Method for Incremental Data Fusion in Distributed Sensor Networks", Proceedings of the 3rd IFIP Conference on Artificial Intelligence Applications & Innovations (AIAI '2006), IFIP (Springer), Vol. 204, I. Maglogiannis, K. Karpouzis and M. Bramer (Eds.), ISBN: 0-387-34223-0, pp. 635-642, Athens, Greece, 7-9 June 2006. [PDF]
• D . Economou, S. Varitimiadis, M. Samaroudi, K. Micha and D. Gavalas, "The Effectiveness of Personal Digital Assistants (PDAs), Audio-Guides or Paper Leaflets to Enhance the Museum Visit Experience", Proceedings of the 3rd International Conference on Museology (ICM'2006), Mytilene, Greece, 5-8 June 2006.
• M. Kenteris, D. Gavalas and D. Economou, "The Use of Mobile Telephones to Promote Cultural Information", Proceedings of the 3rd International Conference on Museology (ICM'2006), poster presentation, Mytilene, Greece, 5-8 June 2006.
• D. Gavalas, G. Pantziou , C. Konstantopoulos and B. Mamalis, "Lowest-ID with Adaptive ID Reassignment: A Novel Mobile Ad-Hoc Network Clustering Algorithm", Proceedings of the 1st IEEE International Symposium on Wireless Pervasive Computing (ISWPC'2006) , ISBN: 0-7803-9411-9 , Phuket , Thailand , 16-18 January 2006 (acceptance ratio~ 38%).
• D. Gavalas, "Optimal Itinerary Planning for Mobile Agents-Based Management Applications", Proceedings of the 2005 IEEE Global Communications Conference (Globecom'2005), ISBN: 0-7803-9251-5, St. Louis, MO, USA, 28 November – 2 December 2005 (acceptance ratio ~ 45%). [PDF]
• D. Gavalas, G. Pantziou , C. Konstantopoulos and B. Mamalis , "An Efficient and Scalable Clustering Algorithm for Wireless Ad Hoc Networks", Proceedings of the 1st International Workshop on Distributed Algorithms and Applications for Wireless and Mobile Systems (DAAWMS '2005 ), ISBN: 0-88986-525-6, pp. 761-766, Phoe nix, AZ, USA , 16 November 2005.
• D. Gavalas, C. Konstantopoulos, B. Mamalis and G. Pantziou, "Efficient BSP/CGM Algorithms for Text Retrieval", Proceedings of the 17th IASTED International Conference on Parallel and Distributed Computing and Systems (PDCS'2005), ISBN : 0-88986-525-6, pp. 301-306, Phoenix, AZ, USA , 14-16 November, 2005. [PDF]
• D. Gavalas, G. Pantziou, C. Konstantopoulos and B. Mamalis, "Efficient Active Clustering of Mobile Ad-Hoc Networks", Proceedings of the 10th Panhellenic Conference on Informatics (PCI'2005), LNCS Vol. 3746 , Springer-Verlag, P. Bozanis and E.N. Houstis (Eds.), pp. 820-827, Volos, Greece, 11-13 November 2005 (acceptance ratio~ 32%). [PDF]
• D. Gavalas, "Mobile Agent Platform Design Optimisations for Minimising Network Overhead and Latency in Agent Migrations", Proceedings of the 2004 IEEE Global Communications Conference (Globecom'2004), ISBN: 0-7803-8795-3, pp. 605-609, Dallas , Texas , U.S.A. , 29 November – 3 December 2004 acceptance ratio ~ 37%).
• D. Gavalas, "Network Management Itineraries for Mobile Agents", Proceedings of the 2nd International Working Conference on Performance Modelling and Evaluation of Heterogeneous Networks (HET-NETs'04), p 8/1-8/9, Ilkley, West Yorkshire, U.K. 26-28 July 2004. [PDF]
• D. Gavalas, "Optimising Mobile Agent Migrations: An Experimental Approach", Proceedings of the 2nd International Working Conference on Performance Modelling and Evaluation of Heterogeneous Networks (HET-NETs'04), p 43/1-43/9, Ilkley, West Yorkshire, U.K. 26-28 July 2004.
• D. Gavalas, D. Greenwood, M. Ghanbari and M. O'Mahony , "Implementing a Highly Scalable and Adaptive Agent-Based Management Framework", Proceedings of the IEEE Global Communications Conference (Globecom'2000), IEEE Publishing, Vol. 3, pp. 1458-1462, San Francisco, U.S.A., 27 November-1 December 2000 (acceptance ratio~ 35%).
• D. Gavalas, D. Greenwood, M. Ghanbari and M. O'Mahony, "Enabling Mobile Agent Technology for Intelligent Bulk Management Data Filtering", Proceedings of the 2000 IEEE/IFIP Network Operations and Management Symposium (NOMS'2000), Hong J., Weihmayer R. (Eds.), IEEE Publishing, pp.623-636, Honolulu, Hawaii, U.S.A., 10-14 April 2000 (acceptance ratio~ 30%). [PDF]
• D. Gavalass, D. Greenwood, M. Ghanbari and M. O'Mahony, "Deploying a Hierarchical Management Framework Using Mobile Agent Technology", Proceedings of the 7th International Conference on Intelligence in Services and Networks (IS&N'2000), LNCS Vol. 1774, Springer-Verlag, Delgado J., Stamoulis G.D., Mullery A., Prevedourou D. and Start K. (Eds.), pp. 333-348, Athens, Greece, 23-25 February 2000. [PDF]
• D. Gavalas, D. Greenwood, M. Ghanbari and M. O'Mahony, "Complimentary Polling Modes for Network Performance Management Employing Mobile Agents", Proceedings of the IEEE Global Communications Conference (Globecom'99), IEEE Publishing, pp. 401-405, Rio de Janeiro, Brazil, 5-9 December 1999 (acceptance ratio~ 40%). [PDF]
• D. Gavalas, D. Greenwood, M. Ghanbari and M. O'Mahony, "Using Mobile Agents for Distributed Network Performance Management", Proceedings of the 3rd International Workshop on Intelligent Agents for Telecommunication Applications (IATA'99), LNCS Vol. 1699, Springer-Verlag, Albayrak, S. (Eds.), pp. 96-112, Stockholm, Sweden, 9-11 August 1999.
• D. Gavalas, D. Greenwood, M. Ghanbari and M. O'Mahony, "A Hybrid Centralised - Distributed Network Management Architecture", Proceedings of the 4th IEEE Symposium on Computers and Communications (ISCC'99), IEEE Publishing, pp . 434-441 , Sharm El Sheikh, Egypt, 6–8 July 1999 (acceptance ratio~ 50%).
• D. Greenwood andD. Gavalas, "Using Active Processes as the Basis for an Integrated Distributed Network Management Architecture", Proceedings of the 1st International Working Conference on Active Networks (IWAN'99), LNCS Vol. 1653, Springer-Verlag, Covaci S. (Eds.), pp. 199-211, Berlin, Germany, 30 June - 2 July 1999 (acceptance ratio ~ 37%). [PDF]
• D. Gavalas, D. Greenwood, M. Ghanbari and M. O'Mahony, "An Infrastructure for Distributed and Dynamic Network Management based on Mobile Agent Technology", Proceedings of the IEEE International Conference on Communications (ICC'99), IEEE Publishing, Vol. 2, pp. 1362-1366, Vancouver, Canada, 6-10 June 1999 (acceptance ratio ~ 44%). [PDF]
• D. Gavalas, D. Greenwood, M. Ghanbari and M. O'Mahony, "A Progressive Network Management Architecture Enabled by Java Technology", Proceedings of the 1st International Conference and Exhibition on the Practical Applications of Java (PA-Java'99), ISBN: 1-902426-03-07 , pp. 61-72, London, UK , 21-23 April 1999. [PDF]
 
Book chapters
 
• D. Gavalas, C. Konstantopoulos and G. Pantziou, "Design & Management of Vehicle Sharing Systems: A Survey of Algorithmic Approaches", in "Smart Cities and Homes: Key Enabling Technologies", M.S. Obaidat and P. Nicopolitidis (Eds.), Elsevier Science, in press. [PDF]
• V. Kasapakis and D. Gavalas, "Design Aspects and Context-Awareness in Pervasive Games", in "Creating Personal, Social, and Urban Awareness through Pervasive Computing", B. Guo, D. Riboni and P. Hu (Eds.), DOI: 10.4018/978-1-4666-4695-7, ISBN10: 1466646950, Chapter 6, pp. 131-156, IGI Global, October 2013.
• D. Gavalas and D. Economou, "Mobile Applications Programming Platforms and Development Tools", in "Handbook of Research on Mobile Software Engineering: Design, Implementation and Emergent Applications", P. Alencar and D. Cowanto (Eds.), ISBN-10: 1615206558, Volume I, Chapter 15, pp. 250-264, IGI Global, USA, May 2012.
• M. Kenteris, D. Gavalas and D. Economou, "Mobile Tourist Applications: Design Criteria, Status, and Trends", in "Handbook of Research on Mobile Software Engineering: Design, Implementation and Emergent Applications", P. Alencar and D. Cowanto (Eds.), ISBN-10: 1615206558, Volume I, Chapter 2, pp. 17-43, IGI Global, USA, May 2012.
• D. Gavalas, C. Konstantopoulos and G. Pantziou, "Mobility Prediction in Mobile Ad Hoc Networks", in "Next Generation Mobile Networks and Ubiquitous Computing", S. Pierre (Ed.), ISBN10: 160566250X, Chapter 21, pp. 226-240, IGI Global, USA, June 2010. [PDF]
• B. Mamalis, D. Gavalas, C. Konstantopoulos and G. Pantziou, "Clustering in Wireless Sensor Networks", in "RFID and Sensor Networks: Architectures, Protocols, Security and Integrations", Y. Zhang, L. T. Yang, J. Chen (Eds.), ISBN-10: 1420077775, Chapter 12, pp. 324-353, CRC Press, November 2009 [PDF].
• A. Mpitziopoulos, D. Gavalas, C. Konstantopoulos and G. Pantziou, "Mobile Agent Middleware for Autonomic Data Fusion in Wireless Sensor Networks", in "Autonomic Computing and Networking", M.K. Denko, L.T. Yang and Y. Zhang (Eds.), ISBN: 978-0-387-89827-8, Chapter 3, pp. 57-81, Springer, USA, May 2009 [PDF].
• A. Mpitziopoulos, D. Gavalas, C. Konstantopoulos and G. Pantziou, "Jamming in Wireless Sensor Networks", in "Security in RFID and Sensor Networks", Y. Zhang and P. Kitsos (Eds.), ISBN-10: 1420068393, Chapter 18, pp. 375-397, Auerbach Publications (Taylor & Francis Group), April 2009 [PDF].
• D. Gavalas, "Electronic Commerce Technologies" (in Greek), in "Cyberspace and the Industry of Digital Communication: Electronic Commerce and the New Media in the Society of Information and Knowledge", G. Gatzias ( Eds .), in press.
• D. Gavalas, "Mobile Commerce Technologies" (in Greek), in "Cyberspace and the Industry of Digital Communication: Electronic Commerce and the New Media in the Society of Information and Knowledge", G. Gatzias ( Eds .), in press.
   
    
Disertations
 
• D. Gavalas, "Mobile Software Agents for Network Monitoring and Performance Management", PhD thesis, Department of Electronics Systems Engineering, University of Essex (UK), July 2001. [PDF]
• D. Gavalas, "Optical Network Design: Virtual Topology and Wavelength Assignment Optimisation using Linear Programming", MSc thesis, Department of Electronics Systems Engineering, University of Essex (UK), June 1997. [PDF]
• D. Gavalas, "Computer Networks Simulatio", BSc final year project, Depatment of Informatics, University of Athens (Greece), September 1995.
 
Citations
 

768 citations to the above listed articles (self-citations not included): [ partial list ]

 
~
 14 in international patents
 
~
 334 in international journals
 
~
 55 in PhD thesis
  ~ 20 in book chapters
 
~
 286 in international conference proceedings
  ~ 41 in MSc dissertations
 
~
 18 in technical reports
 
sources: web-of-science, www.scopus.com, www.scholar.google.com
   
Partial lists of publications: DBLP, google scholar
   
The truth about scientific publications :-)