1.

Diploma Thesis: "A multimedia Information System for the city of Patras: Network Connection with Distributed Databases at popular Hotels and transport stations"

2.

Master Thesis: "Eliminating Amortization: On Data Structures with Guaranteed Response Time"

3.

PhD Thesis: "Efficient Algorithms and Robust Techniques for Spatial, Temporal and Spatio-Temporal Retrieval and Searching"

Conferences

Kitsios N., Makris C., Sioutas S. Tsakalidis A., Tsaknakis J., Vassiliadis B., "2-D Spatial Indexing in Optimal Time", in Proc. Current Issues in Database and Information Systems, Moscow ACM SIGMOD/ADBIS-DASFAA 2000, LNCS #1884, pp 107-116, September 5-8, 2000, Prague, Czech Republic.

G. Derekenaris, J. Garofalakis, J. Prentzas, C. Makris, S. Sioutas, A. Tsakalidis, "Integrating GIS, GPS and GSM technologies for the Effective Management of Ambulances", In Proceedings of 2^nd International Symposium on TeleGeoprocessing, TeleGeo2000, Nice, France – May 10-12, 2000,  pp 131-141.

Gregory Derekenaris, John Garofalakis, Jim Prentzas, Spyros Sioutas, Athanassios Tsakalidis "Architectural Aspects of An Interactive Multimedia Environment for Training Employees in Internet/Intranet Technologies", in the Proceedings of the ED-MEDIA 2000 international conference (12^th world conference on educational multimedia and hypermedia & world conference on educational telecommunications), Montreal, Canada, June 26-July 1, 2000, pp 1269-1271.

Bovilas K., Kanta A., Makris C., Prentzas J., Sakkopoulos E., Sioutas S., Tsakalidis A., Tsaknakis J., Vassiliadis B., "The Eurydices System: Objectives and Services", WEBNET 2000, Montreal, Canada, June 26-July 1, pp 63-68.

Bovilas K., Kanta A., Makris C., Prentzas J., Sakkopoulos E., Sioutas S., Tsakalidis A., Tsaknakis J., Vassiliadis B., "Supporting Virtual Classrooms through Extranet technology: the Eurydices system".  ED-MEDIA 2000, Montreal, Canada, June 26-July 1, 2000, Poster Demo (CD-ROM Proceedings).

G. Derekenaris, J. Garofalakis, J. Prentzas, C. Makris, S. Sioutas, A. Tsakalidis, "An Information System for the effective management of ambulances", In Proceedings of Thirteenth IEEE Symposium on Computer-Based medical Systems (CBMS 2000), Houston, Texas– June 23-24, 2000, pp 269-274.

C. Makris, K. Perdikouri, S.Sioutas, A.Tsakalidis, K. Tsichlas, "Time and Space Efficient Content Queries for Video Databases", MDDE 2001 Workshop (Multimedia Data and Document Engineering), Lyon, 4^th July 2001, France, Volume 43, pp 1-8.

C.S. Iliopoulos, C. Makris, S. Sioutas, A.Tsakalidis and K.Tsichlas, "Identifying Occurences of Maximal Pairs in Multiple Strings", CPM 2002, LNCS 2373, pp 133-143, the 13^th Annual Symposium on Combinatorial Pattern Matching, July 3-5, 2002, Fukuoka, Japan.

G. Lagogiannis, Panagis J., Sioutas S., Tsihlas,  "Rectangle Enclosure Reporting in Linear space revisited", AWOCA 2002, In Proceedings of 13^th Australasian Workshop on Combinatorial Algorithms, Fraser Island, 7^th-10^thjuly.

A.Kaporis, Ch. Makris, S. Sioutas, A. Tsakalidis, K. Tsichlas, Ch. Zaroliagis, "Improved Bounds for Finger Search on a RAM", LNCS 2832, pp 325-336, 11^th Annual European Symposium on Algorithms (ESA 2003) – Budapest, 15-20 September, 2003.

V. Dellis, C. Makris, E. Sakkopoulos, S.Sioutas, A.Tsakalidis, K. Tsichlas, "Temporal Selection Queries in Video Databases", VLDB/MDDE 03 (Special VLDB co-located Session in Multimedia Data and Document Engineering), Berlin, 8^th September 2003, Germany.

Bistiolas V., Sioutas S., Sofotassios D., Tsihlas K.,  "On the Canonical k-vertex Polygon Spatial Retrieval Problem", AWOCA 2004, In Proceedings of 15^th Australasian Workshop on Combinatorial Algorithms, Ballina, NSW, Australia 7-9 july,2004.

Vassiliadis B., Bogonikolos N., Giotopoulos K., Votis K., Sioutas S. and Likothanasis S: "Application service provision through the grid: Busines Models and Architectures", In proceedings of IEEE International Conference on Information Technology: Coding and Computing (IEEE - ITCC 2004), pp 367-371.

E. Sakkopoulos, Ch. Makris, S. Sioutas, P. Triantafillou, A. Tsakalidis, B. Vassiliadis, NIPPERS: Network of InterPolated PeERS for Web Service Discovery, In Proceedings of IEEE International Conference on Information Technology: Coding and Computing (IEEE-ITCC 2005), pp. 193-198.

L. Drosos, S. Sioutas, S. Syrmakesis "BDT-GRID: An Efficient Scalable Peer-to-Peer Lookup System for Web Service Discovery", Sixteenth ACM Conference on Hypertext and Hypermedia (ACM HyperText 2005), 6.-9.Sept. 2005, Salzburg, Proceedings of International Workshop on Peer to Peer and Service Oriented Hypermedia: Techniques and Systems, pp. 1-9.

S.Sioutas, Y.Panagis, E.Theodoridis and A.Tsakalidis "One – Dimensional Finger Searching in RAM model Revisited", PCI 2005, LNCS 3746, pp 134-144, Volos, Greece, November 2005.

Ch. Makris, S. Sioutas, Tsakalidis, K. Tsichlas, Ch. Zaroliagis, "ISB-Tree: A New Indexing Scheme with Efficient Expected Behaviour", International Symposium on Algorithms and Computation (ISAAC 2005), December 19-21,Sanya,Hainan,China, pp:318-327,LNCS.

G. Lagogiannis, J. Panagis, S. Sioutas, A. Tsakalidis “A survey of persistent data structures”, International Conference on Algorithmic Techniques for Handling Spatiotemporal and Environmental Data, July 12, Athens, 2005. 

Kaporis, Ch. Makris, S. Sioutas, A. Tsakalidis, K. Tsichlas, Ch. Zaroliagis, “Dynamic Interpolation Search revisited”, International Colloquium in Automata, Languages and Programming (ICALP 2006), Part I, LNCS 4051, pp. 382-394.

S. Sioutas, Ch. Makris “NBDT: An efficient scalable decentralized lookup system for web service discovery”, Seventeenth ACM Conference on Hypertext and Hypermedia, (ACM HyperText 2006), Odense, Denmark, 20-23 August, Proceedings of International Workshop on Architectures, Models and Infrastructures to Generate Semantics in Peer to Peer and Hypermedia Systems, pp. 1-9.

Dimitrios Tsolis, Spiridon N. Nikolopoulos, Spyros Sioutas, Theodore S. Papatheodorou, Emmanouil G. Karatzas  “Watermarketing and digital rights management: A pilot DRM system implementation and technical guidelines to cultural digitization projects”, Proceedings of the CIPA/VAST 2006 Conference, Nicosia Hilton, Cyprus, October 30 – November 3, 2006.

S. Sioutas, Ch. Makris, K. Tsihlas, K. Tsakalidis and Y.Manolopoulos “Indexing Mobile Objects on the Plane Revisited”, ADBIS 2007, LNCS 4690, pp 189 -204, 2007.

D. Tsolis, S. Nikolopoulos, L. Drossos, S. Sioutas and T. Papatheodorou  “ Applying Robust Multibit Watermarks in Digital Images”, NumAn 2007, Conference in Numerical Analysis 2007 (NumAn 2007), Recent Approaches To Numerical Analysis: Theory, Methods and Applications September 3-7, 2007 -- Kalamata Greece.

V. Chrissikopoulos, G. Papaloukopoulos, E. Sakkopoulos, S. Sioutas "Design and Implementation Aspects of a Novel Java P2P Simulator with GUI", IEEE Pan-Hellenic Conference on Informatics, pp 83-87, Samos, 28-30 August, 2008.

Dimitrios Tsolis, Spyros Sioutas, Theodore Papatheodorou “COPYRIGHT PROTECTION AND  MANAGEMENT OF DIGITAL CULTURAL OBJECTS AND DATA”, Annual Conference of International Documentation, CIDOC 2008, Athens, September 15 – 18, 2008

Dimitrios Tsolis, Spyros Sioutas and Theodore Papatheodorou “DIGITAL WATERMARKING IN PEER TO PEER NETWORKS”, IEEE DSP 2009, pp. 1-5.

K. Oikonomou, S.Sioutas, I.Stavrakakis 'Scalable Communication Cost Reduction: The Chord Case' , IFIP/IEEE Mediterranean Ad-Hoc Networks 2009, pp. 42-47.

D. Sotiropoulos, M. Apostolopoulou, I. Livieris, S.Sioutas, P. Pintelas “Classification of Large Biomedical Data using ANNs based on BFGS method”, IEEE-PCI2009, pp. 87-91.

D. Tsolis, E. Georgatos,  S.Sioutas “ The use of P2P Networks in Copyright Protection”, IEEE-PCI2009, pp. 97-101.

S. Sioutas, G. Papaloukopoulos, K.Tsichlas and Y. Manolopoulos “An Experimental Performance Comparison for Indexing Mobile Objects on the Plane'', ACM-SIGAPP MEDES 2009, pp.210-217.

S. Sioutas, K. Oikonomou, G. Papaloukopoulos, M. Xenos, Y. Manolopoulos, “An Optimal Bipartite P2P Overlay for Energy-Level Queries in Sensor Networks”, ACM-SIGAPP MEDES 2009, pp.361-368.

P.Adamopoulou, E.Sakkopoulos, S.Sioutas, A.Tsakalidis, Y.Manolopoulos “Personalized Selection of Web Services for Mobile Environments: The m-scroutz solution”, ACM-SIGAPP MEDES 2009, pp. 254-290.

G.Brodal, A. Kaporis, S. Sioutas, K. Tsakalidis, K. Tsichlas “New Expected Bounds for three-sided range queries on the plane”, ISAAC 2009, LNCS 5878, pp. 198-203, 2009.

S.Sioutas, G. Papaloukopoulos, E. Sakkopoulos, K. Tsichlas, Y. Manolopoulos “A novel Distributed P2P Simulator Architecture: D-P2P-Sim”, ACM CIKM, pp. 2069-2070, 2009.

A.Kaporis, A.Papadopoulos, S.Sioutas, K.Tsakalidis, K.Tsichlas ‘Efficient Processing of 3-sided Range Queries with Probabilistic Guarantees’, ICDT 2010 (EDBT/ICDT Proceedings, ACM Press),  pp 34-43, 2010.

E. Magkos, P. Kotzanikolaou, S. Sioutas, K. Oikonomou. "A Distributed Privacy-Preserving Scheme for Location-Based Queries". In the Fourth IEEE WoWMoM Workshop on Autonomic and Opportunistic Communications - AOC 2010, 14-17 June, Montreal QC Canada. IEEE Computer Society, to be published, 2010.

S. Sioutas, E. Magkos, I. Karydis, and V.S. Verykios. "Uncertainty for Anonymity and 2-Dimensional Range Query Distortion". In: Privacy in Statistical Databases - PSD 2010, 22-24 Sep. 2010, Corfu, Greece. Lecture Notes in Computer Science (LNCS), Springer-Verlag, to be published, 2010.

S.Sioutas, G. Papaloukopoulos, E. Sakkopoulos, K. Tsichlas, Y. Manolopoulos  and P. Triantafillou “Brief Announcement: ART:Sub-Logarithmic Decentralized Range Query Processing with Probabilistic Guarantees”, In Proceedings of Twenty-Ninth Annual ACM SIGACT-SIGOPS Symposium on Principles of Distributed Computing (ACM PODC 2010), Zurich, Switzerland July 25-28, pp. 118-120,  2010.

S. Xergias, N. Passas, S. Sioutas, and L. Merakos, “A joint traffic scheduling and slot allocation algorithm for mobile WiMAX Networks”, The 21st IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2010 – Track3: Mobile and Wireless Networks), Istanbul, Turkey, 26-29 September, IEEE Computer Society, to be published, 2010.

C. Makris, Y. Panagis, K. Perdikuri, S. Sioutas, E. Theodoridis, A. Tsakalidis and K. Tsichlas “New Upper Bounds on Various String Manipulation Problems”. In Text in Algorithms vol. 2: String Algorithmics, eds. C. Iliopoulos and T. Lecroq, King's College Publications, ISBN 1-904987-0-2-8, pp. 171-193, 2004.

Y. Panagis, E. Sakkopoulos, S. Sioutas, A. Tsakalidis “Web Service Integration and Management Strategies for Large Scale Datasets”, Database Modeling for Industrial Data Management: Emerging Technologies and Applications - ISBN 159140685-4, pp. 217-243, IGP, IDEA GROUP PUBLISHING.

G.Lagogiannis, Ch. Makris, Y. Panagis, E. Theodoridis and S. Sioutas “Indexing Techniques for Spatio-Temporal Databases”, Information Science and Technology, pp.1-6, IGP, IDEA GROUP PUBLISHING.

Derekenaris G., Garofalakis J., Makris C., Prentzas J., Sioutas S., Tsakalidis A, book chapter: Integrating GIS, GPS and GSM Technologies, GIS on Environmental Management, Pondicherry University Publications, Main Author: S.A. Abbasi Senior Professor, Director, Center for Pollution Control and Energy Technology, Kalapet, Pondicherry 605 014, India (to appear).

Lambros Drossos, Spyros Sioutas, Dimitrios Tsolis, Theodore Papatheodorou, Digital Rights Management for E-Commerce Systems, Idea Group Publishing, Information Science Publishing, IRM Press, Cyber Tech Publishing and Idea Group Reference imprints, ISBN: 978-1-60566-118-6

B. Vassiliadis, S. Sioutas “Computer Graphics”, ISBN: 960-538-569-4, Hellenic Open University Press

Y. Manolopoulos, S. Sioutas, A. Tsakalidis, K. Tsichlas “Analysis of Algorithms”, New Technologies Press (in preparation).

S.Sioutas, G. Papaloukopoulos, V. Chrissikopoulos “Data Management in P2P Networks”, Varvarigos Press (in preparation).

Vassilios Chrissikopoulos, Nikolaos Alexandris, Christos Douligeris and Spyros Sioutas, “PCI 2009: Proceedings by IEEE Computer Society”, ISBN 978-0-7695-3788-7, Book Editing.

Derekenaris G., Garofalakis J., Makris C., Prentzas J., Sioutas S., Tsakalidis A., “Integrating GIS, GPS and GSM Technologies for the Effective Management of Ambulances”, International Journal of Computers, Environment and Urban Systems, Vol 25 (2001), Issue 3, pp 267-278.

Nectarios Kitsios, Makris Christos, Spyros Sioutas, Athanasios Tsakalidis, John Tsaknakis, Vassilis Vassiliadis “An optimal algorithm for reporting visible Rectangles”, Information Processing Letters, IPL 2591, Volume 81 (2002), pp 283-288

G. Brodal, Makris C., Sioutas S., Tsakalidis A., Tsichlas K., “Optimal solutions for the temporal precedence problem”, Algorithmica, Volume 33 (2002), Issue 4, pp 494-510.

G. Lagogiannis, J. Panagis, S. Sioutas, K. Tsihlas, “Rectangle Enclosure Reporting in Linear space revisited”, Journal of Automata, Languages and Combinatorics, Volume 8 (2003), pp 633-645.

G. Lagogiannis, Ch. Makris, J. Panagis, S. Sioutas, K. Tsihlas, “New Dynamic Balanced Search Trees with worst-case constant update time”, Journal of Automata, Languages and Combinatorics, Volume 8 (2003), pp 607-632.

C. Makris, S. Sioutas, K.Tsichlas, J. Tsaknakis and B. Vassiliadis “Geometric Retrieval for Grid Points in the RAM model”, Journal of Universal Computer Science, Volume 10, no.9(2004), pp 1325-1353, Springer Co. Pub.

S. Sioutas, L. Drossos, D. Tsolis, T. S. Papatheodorou “Embedding Advanced Geometric Techniques into SQL for efficient indexing of mobile objects”, Transactions on Computers, Issue 11, Volume 4, November 2005,pp. 1517-1526, ISSN 1109-2750.

Delis Vasilis, Makris Christos and Sioutas Spyros  “A Provably Efficient Computational Model For Approximate Spatiotemporal Retrieval”, Journal of Universal Computer Science, Volume 11, no. 6 (2005), pp 830-849, Springer Co. Pub

C. Makris, S. Sioutas, E. Theodoridis, K. Tsichlas, A. Bakalis  “Finding Multirepeats in a Set of Strings”, Brill Academic Publishers, P.O. Box 9000, 2300 PA Leiden, The Netherlands, Lectures Series on Computers and Computational Sciences, Volume 1, 2005, p.p 1-4.

C. Makris, A. Bakalis, S. Sioutas, K. Tsichlas  “Algorithms for Bitmasking Strings”, Brill Academic Publishers, P.O. Box 9000, 2300 PA Leiden, The Netherlands, Lectures Series on Computers and Computational Sciences, Volume 1, 2006, pp 1-4.

S. Sioutas, L. Drossos, D. Tsolis, T. S. Papatheodorou “EST-GRID: An Efficient Scalable Peer-to-Peer Infrastructure for Web Service Discovery”, Transactions on Communications, Issue 1, Volume 5, January 2006, pp. 66-76, ISSN 1109-2742.

S. Sioutas, L. Drossos, K.Tsihlas, K.Ioannou “The Dynamic Monotone Priority Search Tree (DMoPST): A New Efficient 2-D Spatial Indexing Scheme with Optimal Update Time”, Transactions on Systems, ISSN: 1109-2777, Issue 1, Volume 5, January 2006, pp 142-147.

C.S. Iliopoulos, C. Makris, S. Sioutas, E. Theodoridis, A.Tsakalidis and K.Tsichlas., “Locating Maximal Multirepeats in Multiple Strings Under Various Constraints”, Computer Journal, Vol.50 (2), 178 – 185 (2007).

Dimitrios K. Tsolis, Spyros Sioutas, Lambros Drossos and Theodore S. Papatheodorou “A cultural information System providing e-commerce web services, digital right management and copyright protection”, ACM Journal of Universal Computer Science, Vol.13(4), 2007, pp 543-571.

S. Sioutas, K. Tsihlas, B. Vassiliadis and D. Tsolis “Efficient Access Methods for Temporal Interval Queries of Video Metadata”, ACM Journal of Universal Computer Science, Vol.13, no.10 (2007), pp 1411 – 1433.

S.Sioutas “NBDT: An efficient p2p indexing scheme for web service discovery”, Journal of Web Engineering and Technologies, Vol. 4 (1), pp 95-113, 2008.

S. Sioutas, L. Drosos , E. Sakkopoulos, S. Syrmakesis “Balanced Distributed Web Service Lookup System”, Journal of Networks and Computer Applications, Elsevier, Vol 31/2 (2008), pp 149-162.

S. Sioutas, Ch. Makris, K. Tsihlas, K. Tsakalidis and Y.Manolopoulos “A new approach for Indexing Mobile Objects on the Plane”, Data && Knowledge Engineering (DKE), Elsevier, Volume 67, Issue 3, Pages 331-361 (December 2008).

D. Tsolis, S. Nikolopoulos, L. Drossos, S. Sioutas and T. Papatheodorou  “ Applying Robust Multibit Watermarks in Digital Images”, Journal of Computational and Applied Mathematics, Elsevier (in press).

S.Sioutas, E. Sakkopoulos, Ch. Makris, , B. Vassiliadis, A. Tsakalidis, P. Triantafillou “Dynamic Web Service discovery architecture based on  a novel peer based overlay network”, Journal of Systems and Software (JSS), Elsevier, 82 (5): 809 – 824 (2009).

Dimitris K. Tsolis, Spyros Sioutas, Theodore S. Papatheodorou: “A Multimedia Application for Watermarking Digital Images Based on a Content Based Image Retrieval Technique”, Multimedia Tools and Applications, Springer, ISSN 1380-7501 (Print), 1573-7721 (Online), DOI 10.1007/s11042-009-0338-0 (in press).

Kaporis, Ch. Makris, S. Sioutas, A. Tsakalidis, K. Tsichlas, Ch. Zaroliagis, “Improved Bounds for Finger Search on a RAM”, Algorithmica (In Press).

S.Sioutas, D.Sofotasios, K.Tsihlas, D.Sotiropoulos and P.Vlamos “On the Canonical k-vertex Polygon Spatial Retrieval Problem”, Journal of Computers, Vol.4, No.9, pp.913 – 919, September 2009.

Lagogiannis Giorgos, Lorentzos Nikos,  Sioutas Spyros, Theodoridis Evagelos, “A Provably Efficient Indexing Scheme for Complex Spatiotemporal Retrieval ”, ACM SIGMOD Record, pp. 11-16, September 2009, Volume 38, No3.

S.Sioutas, Papaloukopoulos, K.Tsichlas and Y. Manolopoulos “An Experimental Performance Comparison for Indexing Mobile Objects on the Plane'', special issue on Collectively Intelligent Information and Knowledge Management, Journal on Organisational and Collective Intelligence, IDEA Group Publishing (to appear).

Α. Kaporis, Ch. Makris, S. Sioutas, A. Tsakalidis, K. Tsichlas, Y. Ch. Zaroliagis, “ISB-Tree: A New Indexing Scheme with Efficient Expected Behaviour”, Journal of Discrete Algorithms - Elsevier (to appear).

S.Sioutas “Finger Indexed Sets: New Approaches”, Submitted to Journal of Universal Computer Science.

Α. Kaporis, Ch. Makris, S. Sioutas, A. Tsakalidis, K. Tsichlas, Ch. Zaroliagis, “Dynamic Interpolation Search revisited”, submitted in Journal of the ACM (JACM).

G.S.Brodal, S.Sioutas, K.Tsichlas and C. Zaroliagis “D²-tree: The Deterministic Distributed Tree”, submitted to ISAAC 2010 (Springer).

S. Sioutas, G. Papaloukopoulos, E. Sakkopoulos, K. Tsichlas, Y. Manolopoulos, P. Triantafyllou " ART: Sub-Logarithmic Decentralized Range Query Processing with Probabilistic Guarantees ", submitted to ICDT 2011 (ACM Press).

G.S.Brodal, S.Sioutas, K.Tsakalidis, K.Tsichlas “The fully persistent B-tree”, submitted to ACM PODS 2011.

D. Tsolis and S. Sioutas “Copyright and IPR Management for Cultural Heritage Digital Content in Peer to Peer Networks”, submitted to ACM Journal on Computing and Cultural Heritage (ACM JOCCH).

S. Xergias, N. Passas, S. Sioutas, and L. Merakos "CO-FRTS: An integrated solution for efficient Scheduling and OFDMA Slot Allocation in mobile WiMAX Networks", submitted to Computer Networks Journal, Elsevier.

CTI TR 99/10/05 C. Makris, S. Sioutas, A. Tsakalidis, J. Tsaknakis and B. Vassiliadis “Geometric Retrieval in the RAM model”, 14/10/99.

CTI TR 99/05/02 Delis Vasilis, Makris Christos, Sioutas Spyros “A Povably Efficient Computational Model for Approximate Spatiotemporal Retrieval”, 20/10/1999.

CTI T.R. 2000/06/02. G. Brodal, Makris C., Sioutas S., Tsakalidis A., Tsichlas K., “Optimal solutions for the temporal precedence problem”.

CTI T.R. 07/06/00 Sioutas S, Makris Ch, Tsakalidis A. “Finger searching with input distributions in RAM model”

CTI T.R. 99/09/04 Nectarios Kitsios, Makris Christos, Spyros Sioutas, Athanasios Tsakalidis, John Tsaknakis, Vassilis Vassiliadis “An optimal algorithm for reporting visible Rectangles”.

CTI T.R 2003/07/01 Alexis Kaporis, Christos Makris, Spyros Sioutas, Athanasios Tsakalidis, Kostas Tsichlas, Christos Zaroliagis “Improved Bounds for Finger Search on a RAM”.

George Lagogiannis, Nikos A. Lorentzos, Spyros Sioutas, Theodoridis Evaggelos: "A Time Efficient Indexing Scheme for Complex Spatiotemporal Retrieval", ACM CoRR abs/0805.1487: (2008)

Spyros Sioutas: "Finger Indexed Sets: New Approaches", ACM CoRR abs/0805.2671: (2008)

Spyros Sioutas, Dimitrios Sofotassios, Kostas Tsichlas, Dimitrios Sotiropoulos, Panayiotis Vlamos: "A New Approach on the Canonical k-vertex Polygon Retrieval Problem on the Plane", ACM CoRR abs/0805.2681: (2008)

Vassilios Chrissikopoulos, George Papaloukopoulos, Evangelos Sakkopoulos, Spyros Sioutas: "Design and Implementation Aspects of a novel Java P2P Simulator with GUI", ACM CoRR abs/0805.4134: (2008)

Dimitris K. Tsolis, Spyros Sioutas, Theodore S. Papatheodorou: "Watermarking Digital Images Based on a Content Based Image Retrieval Technique", ACM CoRR abs/0810.3058: (2008)