1) D.Kapopoulos, M.Hatzopoulos, P.Stamatopoulos: Efficient Management of Persistent Knowledge, to appear Journal of Intelligent Information Systems, vol.19, pp.111-134, 2002.
2) Dimitris G. Kapopoulos, Michael Hatzopoulos. The Arc-Tree: A Novel Symmetric Access Method for Multidimensional Data. In A. Caplinskas and J. Eder (eds.): Advances in Databases and Information Systems. LNCS, Vol. 2151. Springer-Verlag, (2001) 294-307
3) S.McClean, J.Hong, B.Scotney, M.Hatzopoulos, and I.Karali: Using Intelligent Software Agents to Query Heterogeneous Distributed Statistical Databases, NTTS& ETK 2001, Hersonissos Crete, pp.769-774, 2001.
4) D. Kapopoulos, M. Hatzopoulos, P. Stamatopoulos. "An Efficient Storage Manager". Proceedings of the 2000 ADBIS-DASFAA Symposium on Advances in Databases and Information Systems, LNCS 1884, pp. 331-338, Prague, 2000.
5) M. Vazirgiannis, D. Tsirikos, T. Markousis, M.Trafalis, Y.Stamati, M. Hatzopoulos, and T. Sellis " Interactive Multimedia Documents: a Modeling, Authoring and Rendering approach" Multimedia Tools & Applications, special issue on Authoring & Delivery of Multimedia Presentations, vol.23, pp.145-188, 2000.
6) D. Kapopoulos, Mike Hatzopoulos The Gr_tree: The use of Active Regions in G-trees, ADBIS'99, Lecture Notes in Computer Science 1691, Springer, pp.141-155, 1999.
7) A. Pikrakis, T. Bitsikas, S. Sfakianakis, M. Hatzopoulos, D. DeRoure, W. Hall, S. Reich, G. Hill, and M. Stairmand. "Memoir - software agents for finding similar users by trails". In PAAM98. The Third International Conference and Exhibition on The Practical Application of Intelligent Agents and Multi-Agents. March 23-25, London, UK, pages 453-466, Mar. 1998.
8) M.Hatzopoulos, I.Karali, E.Viglas "Attacking Diversity in NSIs' Storage Infrastructure:the ADDSIA Approach",NTTS'98, Sorento, pp.229-234, 1998.
9) M. Vazirgiannis, M. Trafalis, Y. Stamati, M. Hatzopoulos, "Interactive Multimedia Scenario: Modeling and Rendering", in the proceedings of the Multimedia track of ACM-SAC'98 conference.
10)M. Vazirgiannis, M. Trafalis, Y. Stamati, M. Hatzopoulos, "i-Mu.S.E. - Interactive Multimedia Scenario Editor", in the proceedings of the IEEE-MMDBMS '98 Workshop, pp.145-152, 1998.
12)D. Tsirikos, T. Markousis, G. Mouroulis, M. Hatzopoulos, M. Vazirgiannis, and G. Stavrakas, "A Client-Server Design for Interactive Multimedia Documents Based on Java.", in the proceedings of Interactive Distributed Multimedia Systems and Services Workshop IDMS ' 98, Oslo,September 1998 , Springer-Verlag, Lecture Notes in Computer Science (Volume 1483), pp.248-259.
13)Vazirgiannis, A. Rekkas, M. Hatzopoulos, "Automatic hypermedia document generation based on electronic mark-up text: the ILDIC case", ESDA'96, Montpellier, France, July 96.
14)M.Spiliopoulou, M.Hatzopoulos and Y.Cotronis:"Parallel Optimization of Large Join Queries with Set Operators and Aggregates in a Parallel Environment Supporting Pipeline" IEEE Transactions on Data and Knowledge Engineering, vol.8, pp.429-445, 1996.
15)M.Spiliopoulou, M.Hatzopoulos and C.Vasilakis:"A Cost Model for the Estimation of Query Execution Time in a Parallel Environment Supporting Pipeline", Computers and Artificial Intelligence, Vol.14, pp.341-368, 1996.
16)M. Vazirgiannis, M. Hatzopoulos, "Integrated Multimedia Object And Application Modeling based on events and scenarios" in the proceedings of 1st IEEE International Workshop for MMDBMSs, 8/1995, Blue Mountain Lake, NY (The Adirondacks)
17)M. Vazirgiannis, A. Kalousis, M. Hatzopoulos, "KNOWEL: A HYPERMEDIA KNOWLEDGE EDITOR", in the proceedings of DEXA '95 Conference, London, Sep. 1995.
18)M.Spiliopoulou, M.Hatzopoulos, F.Pentaris and F.Vilanakis:"A query processor operating over low resources on optical media", ICAST'95.
19)M.Spiliopoulou, Y.Cotronis, and M.Hatzopoulos: "Query Processing for Multimedia Applications on Optical Media", Information Processing Letters, vol.53, pp.301-306, 1995
20)A.Tsalgatidou, C.Halatsis, M.Spiliopoulou and M.Hatzopoulos: "A Multimedia Title Development Environment (MTDE)", Information Processing & Management, vol.31, pp.101-112, 1995.
21)A.Tsalgatidou, Z.Palaskas, C.Halatsis, and M.Hatzopoulos: "An Integrated and Customisable support system for building Hypermedia Training Applications", DEXA'94, Springer-Verlag, pp.540-549, 1994
22)A.Tsalgatidou, M.Spiliopoulou, K.Apostolaki, I.Roussou and M.Hatzopoulos "A hypermedia Tourist guide", ENTER'94,Springer-Verlag, pp.72-79,1994.
23)M.Vazirgiannis, K.Petrou, A.Tsompanidis and M.Hatzopoulos: "An Object Oriented Framework for Knowledge representation based on Fuzzy sets", Intelligent and Fuzzy Systems Journal, vol.1, pp.265-278, 1993, Wiley.
24)M.Vazirgiannis and M.Hatzopoulos: "A script Based Approach for Multimedia Applications", Multimedia Modelling Conference MMM'93, Singapore, 9-12/11/93, pp.129-141, 1993.
25)Spiliopoulou, M., Hatzopoulos, M., Vassilakis, C."Parallel Optimisation of Join Queries Using a Technique of Exhaustive Nature", Computers and Artificial Intelligence, vol.12,pp.145-166, 1993.
26)M.Vazirgiannis and M.Hatzopoulos: "Hypermedia and Knowledge Representation, an Object oriented design based on Fuzzy Algebra", Proceedings of SE&KE Conference, San Francisco, 1993.
27)M.Hatzopoulos,M.Vazirgiannis and I.Rizos:"HADT: A Hypermedia Application Development Tool for Tourist Applications" European Journal of Information Systems, vol.2, pp.91-101, 1993.
28)M.Spiliopoulou, M.Hatzopoulos'Translation of SQL Queries into a Graph Structure: Query Transformations and Pre-optimization Issues in a Pipeline environment, Information Systems, vol.17(2), 1992.
29)M.Hatzopoulos,M.Spiliopoulou and C.Vassilakis 'Using Parallelism and Pipeline for the Optimization of Join Queries', Proc. PARLE'92 Springer Verlag.
30)M.Hatzopoulos,D.Gouscos,M.Spiliopoulou,C.Vassilakis and M.Vazirgiannis 'An Object-Oriented Data Model for Hypermedia Systems', Proc. DELTA Conference, pp.483-493,The Hague 1992.
31)A.Gerbesiotis,M.Hatzopoulos and J.G.Kollias 'Towards an Optimal Allocation of Fragments of Relations',in Proc. EUTECO 88,Vienna April 1988, North-Holland Pub. Co.,pp.1093-1105,1988.
32)M.Hatzopoulos 'Distributed Aspects of Information Systems', in Proc. EUTECO 88,Vienna April 1988, North-Holland Pub. Co.,pp.1029-1049, 1988.
33)D.J.Evans, M.Hatzopoulos 'Comments on the paper-A short proof for the existence of the WZ factorization', Parallel Computing,vol.6 p.259, 1988.
34)J.Manolopoulos,M.Hatzopoulos and J.G.Kollias 'Sequential vs binary batched searching', The Computer Journal,vol.29,pp.368-372,1986.
35)M.Hatzopoulos 'Secondary Access Methods', in Relational Databases-State of the Art, Editor D.Bell, Pergamon Press,Chapter 8,pp.95-112, 1986.
36)M.Hatzopoulos N.Missirlis 'Advantages for solving linear systems in an asychronous enviroment', Journal of Computational and Applied Mathematics, vol.12, pp.331-340, 1985.
37)M.Hatzopoulos, J.G.Kollias'Towards the optimal secondary index organization and index selection',The Computer Journal,vol.28,pp.524-529,1985.
38)M.Hatzopoulos, J.G.Kollias'On the selection of a reduced set of indexes', The Computer Journal,vol.28, pp.406-408,1985.
39)M.Hatzopoulos, J.G.Kollias'On the Optimal selection of Multilist Database Structures', IEEE Trans. on Software Engineering,vol.SE-10, pp.681-687,1984.
40)M.Hatzopoulos 'On a set of problems isomorphic to the lock box location problem',Proc. EES/MECO conference,Athens,September 1983, pp.635-637.
41)V.J.Kollia,M.Hatzopoulos and J.G.Kollias'On the optimal incorporation of the differential file into a new generation of the database',Angewandte Informatik, Vol.26,pp.62-65,1984.
42)M.Hatzopoulos, J.G.Kollias 'The handling of retroactive data for certain batch operations',MELECON'83, Athens,May 1983,vol.1.
43)M.Hatzopoulos, J.G.Kollias'A dynamic model for the optimal selection of secondary indexes',Information Systems,vol.8,pp.159-164,1983.
44)D.J.Evans, M.Hatzopoulos 'On the Application of Preconditioned Direct Methods' (Editor D.J.Evans), pp.401-423, Preconditioning Methods-Theory and Applications,Gordon and Breach Science Publishers,London 1983.
45)'A symmetric Parallel Linear System Solver', Int. Journal of Computers and Maths.,vol.13,pp.133-141,1983.
46)M.Hatzopoulos, J.G.Kollias'Maintaining the initial performance of a network structure', Angewandte Informatik,vol.24,pp.290-294,1982.
47)'Parallel linear system solvers for tridiagonal systems', in Proc. CREST conference on Parallel Processing Systems (Editor D.J.Evans), Cambridge University Press,pp.127-134,1982.
48)M.Hatzopoulos, J.G.Kollias'The determination of the optimum database maintenance points', The Computer Journal,vol.25,pp.126-129,1982.
49)M.Hatzopoulos, J.G.Kollias'Optimal policy for database backup and recovery', Information Processing Letters,vol.12,pp.55-58,1981.
50)M.Hatzopoulos, J.G.Kollias'Allocation of copies of s distinct files in an information network',The Computer Journal,vol.6,pp.197-201,1981.
51)M.Hatzopoulos, J.G.Kollias'Criteria to aid in solving the problem of allocating copies of a file in a computer network', The Computer Journal,vol.24,pp.29-30,1981.
52)M.Hatzopoulos, J.G.Kollias 'Database maintenance efficiency using differential files', Information Systems, vol.5,pp.319-321,1980.
53)M.Hatzopoulos,V.J.Kollia, and J.G.Kollias'The Application of a number of differential files to the maintenance of large databases', Angewandte Informatik, vol.23, pp.12-16,1981.
54)M.Hatzopoulos, J.G.Kollias 'The reorganization of multilist database structures', Angewandte Informatik, vol.22,pp.424-426,1980.
55)M.Hatzopoulos, J.G.Kollias 'Some rules for introducing indexing paths in a primary file', The Computer Journal, vol.23, pp.207-211, 1980.
56)M.Hatzopoulos, J.G.Kollias 'The file allocation problem under dynamic usage', Information Systems, vol.5, pp.197-201,1980.
57)A.Malakis, M.Hatzopoulos and J.G.Kollias 'Simulation of Hamiltonian circuits on graphs', IMACS Proceedings of the European Meeting on distributed Parameter and Large Scale Systems, North-Holland Pub. Co., pp.285-289, 1979.
58)A.Alexandridis,M.Hatzopoulos and J.Kollias 'Algorithms for detecting Symmetries in an image', Proc. of the 2nd Int. Conference on Information Sciences ans Systems, D.Reidel Pub. Co. vol.3, pp.38-45, 1979.
59)D.J.Evans, M.Hatzopoulos 'A parallel Linear System Solver', Int. Journal of Computers and Mathematics, vol.7, pp.227-238,1979.
60)D.J.Evans, M.Hatzopoulos 'The parallel calculation of the eigenvalues of a real matrix', Journal of Computers and Maths. with Applications, vol.4, pp.211-218, 1978.
61)D.J.Evans, M.Hatzopoulos 'A parallel Gauss elimination Algorithm for banded systems', Conference on Computational Aspects of the finite element method, Proc. pp.127-134, Imperial College, London 1975.
62)D.J.Evans, M.Hatzopoulos 'The solution of certain banded systems of linear equations using the folding algorithm', The Computer Journal, vol.19, pp.184-187, 1976.
63)D.J.Evans, M.Hatzopoulos 'On the direct solution of Pre-conditioned linear equations', Bull. of the Greek Math. Soc., vol.16,pp.30-44,1975.
64)D.J.Evans, M.Hatzopoulos 'A note on the LU factorization of a symmetric matrix',Comm. ACM,vol.19,pp.184-185, 1975.
|