1. Invited paper: Charalampos Konstantopoulos, Andreas Svolos, Christos Kaklamanis. “Polyvalent Parallelizations for Hierarchical Block Matching Motion Estimation”. Journal of Computing and Information Technology (CIT), Vol. 8, No. 1, 2000, pages 41-69.
  2. Charalampos Konstantopoulos, Andreas Svolos, Christos Kaklamanis. “An Efficient Parallel Algorithm for Motion Estimation in Very Low-Bit Rate Video Coding Systems”. Concurrency: Practice and Experience, Wiley & Sons, Vol. 12, No. 5, 2000, pages 289-309.
  3. Charalampos Konstantopoulos, Andreas Svolos, Dimitris Serpanos, Dimitris Maritsas. “The Effect of Interword Connectivity in Associative Processing”. Parallel and Distributed Computing Practices, Nova Science Publishers (Special issue: “Unconventional Parallel Architectures”), Vol. 3, No. 2, 2000, pages 179-198.
  4. Christos Kaklamanis, Charalampos Konstantopoulos, Andreas Svolos. “A Hypercube Algorithm for Sliding Window Compression”. Parallel Processing Letters, World Scientific, Vol.10, No. 4 (2000), pages 315-326.
  5. Andreas Svolos, Charalampos Konstantopoulos, Christos Kaklamanis. “Efficient Primitive Binary Morphological Algorithms on a Massively Parallel Processor”. SPIE Journal of Electronic Imaging, Vol. 10(2), 2001, pages 567-575.
  6. Andreas Svolos, Charalampos Konstantopoulos, Christos Kaklamanis. “Efficient Binary and Grey Level Morphological Operations on a Massively Parallel Processor”, Parallel Algorithms and Applications, Vol. 19, Nο. 1, 2004, pages 33 – 50.
  7. Charalampos Konstantopoulos, Christos Kaklamanis, “Optimal Hypercube Simulation on the Partitioned Optical Passive Stars Network”, The Journal of Supercomputing 42(2), Springer-Verlag, pages 165-180 (2007)
  8. Invited paper: Damianos Gavalas, Grammati Pantziou, Charalampos Konstantopoulos and Basilis 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.
  9. Damianos Gavalas, Grammati Pantziou, Charalampos Konstantopoulos and Basilis Mamalis, “ABP: A Low-Cost, Energy-Efficient Clustering Algorithm for Relatively Static and Quasi-Static MANETs”, International Journal of Sensor Networks (IJSNet), special issue on “Wireless Ad Hoc and Sensor Networks”, Indercience Publishers, Vol. 4, No. 4, 260-269 (2008).
  10. 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) pages 1797-1824, June 2008.
  11. 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
  12. 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.
  13. 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
  14. 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, Hindawi Publishing Corporation, vol. 2010, Article ID 206517, 13 pages, 2010. doi:10.1155/2010/206517.
  15. C. Konstantopoulos, A. Mpitziopoulos, D. Gavalas, G. Pantziou, “Effective Determination of Mobile Agent Itineraries for Data Aggregation on Sensor Networks”, accepted in the IEEE Transactions on Knowledge and Data Engineering (DOI: 10.1109/TKDE.2009.203)
  16. D. Gavalas, A. Mpitziopoulos, C. Konstantopoulos, G. Pantziou, “An Approach for Near-Optimal Distributed Data Fusion in Wireless Sensor Networks”, Wireless Networks Journal, Springer, 16(5), 1407-1425 (2010).
  17. A. Mpitziopoulos, C. Konstantopoulos, D. Gavalas, G. Pantziou, "A pervasive assistive environment for visually impaired people using wireless sensor network infrastructure", Journal of Network and Computer Applications,34(1):1194-206 Elsevier, (2011).
  18. P. Belsis, C. Konstantopoulos, B. Mamalis, G. Pantziou and C. Skourlas, “User-Directed, Cluster-Based Retrieval for Large Document Collections in Highly Parallel Environments”, Intl. Journal on Computers and their Applications (IJCA), pp. 47-60, vol. 19, no.1, March 2012.
  19. Charalampos Konstantopoulos, Grammati Pantziou, Damianos Gavalas, Aristides Mpitziopoulos, Basilis Mamalis, "A Rendezvous-Based Approach Enabling Energy-Efficient Sensory Data Collection with Mobile Sinks", IEEE Transactions on Parallel and Distributed Systems, vol. 23, no. 1, pp. 809-817, May 2012
  20. Damianos Gavalas, Michael Kenteris, Charalampos Konstantopoulos, Grammati E. Pantziou: Web application for recommending personalised mobile tourist routes. IET Software 6(4): 313-322 (2012)
  21. Damianos Gavalas, Charalampos Konstantopoulos, Konstantinos Mastakas and Grammati Pantziou, "Mobile Recommender Systems in Tourism", Journal of Network and Computer Applications, Elsevier, 39, pp. 319-333, March 2014.
  22. Damianos Gavalas, Charalampos Konstantopoulos, Konstantinos Mastakas and Grammati Pantziou, “A Survey on Algorithmic Approaches for Solving Tourist Trip Design Problems”, Journal of Heuristics, Springer Science, 20(3), pp. 291-328, June 2014.
  23. Charalampos Konstantopoulos, Basilis Mamalis, Grammati Pantziou, Vasileios Thanasias, An image processing inspired mobile sink solution for energy efficient data gathering in wireless sensor networks, Wireless Networks, Springer, Vol. 21, no. 1, pp. 227-249, January 2015
  24. Damianos Gavalas, Charalampos Konstantopoulos, Konstantinos Mastakas, Grammati Pantziou and Nikolaos Vathis, "Approximation Algorithms for the Arc Orienteering Problems", Information Processing Letters, Elsevier Science, 115(2), pp. 313-315, February 2015.
  25. Charalampos Konstantopoulos, “A parallel algorithm for motion estimation in video coding using the bilinear transformation”, SpringerPlus, Springer, 4:288, June 2015.
  26. Damianos Gavalas, Charalampos Konstantopoulos, Konstantinos Mastakas, Grammati Pantziou and Nikolaos Vathis, "Heuristics for the Time Dependent Team Orienteering Problem: Application to Tourist Route Planning", Computers & Operations Research, Elsevier, Vol. 62, pp. 36-50, October 2015.
  27. Damianos Gavalas, Vlasios Kasapakis, Charalampos Konstantopoulos, Grammati Pantziou, Nikolaos Vathis and Christos Zaroliagis, "The eCOMPASS Multimodal Tourist Tour Planner", Expert Systems with Applications, Elsevier , Vol. 42, no. 21, pp. 7303-7316, November 2015.
  28. Athanasios Dasios, Damianos Gavalas, Grammati Pantziou, Charalampos Konstantopoulos, “Hands-On Experiences in Deploying Cost-Effective Ambient-Assisted Living Systems”, Sensors 2015, 15, pp. 14487-14512.
  29. Gavalas, D.; Konstantopoulos, C.; Mastakas, K.; Pantziou, G.; Vathis, N. Efficient Metaheuristics for the Mixed Team Orienteering Problem with Time Windows. Algorithms, MDPI, 2016, 9, 6.
  30. Damianos Gavalas, Ioannis E. Venetis, Charalampos Konstantopoulos, Grammati Pantziou, "Energy-Efficient Multiple Itinerary Planning for Mobile Agents-Based Data Aggregation in WSNs", accepted for publication in Telecommunication Systems, Springer.