Research >> Work

Recent Publications

    [9] Vozalis, M., Markos, A. & Margaritis, K.G. (2010) Collaborative Filtering through SVD-based and Hierarchical Nonlinear Principal Component Analysis. To be presented in Artificial Neural Networks - ICANN 2010, September 15-18, 2010, Thessaloniki. [pdf]
    [8] Markos, A., Vozalis, M. & Margaritis, K.G. (2010) An Optimal Scaling Approach to Collaborative Filtering using Categorical Principal Component Analysis and Neighborhood Formation. To be presented in AIAI 2010, 6th IFIP International Federation for Information Processing, 5-7 October 2010, Cyprus. [pdf]
    [7] Kitsiou, S., Manthou, V., Vlachopoulou, M. & Markos, A. (2010) Adoption and Sophistication of Clinical Information Systems in Greek Public Hospitals: Results from a National Web-based Survey, IFMBE Proceedings MEDICON 2010, "XII Mediterranean Conference on Medical and Biological Engineering and Computing 2010", Springer, Vol. 29, pp. 1011 - 1016. [pdf]
    [6 Markos, A., Menexes, G. & Papadimitriou, I. (2010) The CHIC Analysis Software v1.0. In H. Loracek-Junge & C. Weihs (eds.), Classification as a Tool for Research, Proceedings of the 11th IFCS Conference. Berlin: Springer, 409-416. [pdf]
    [5] Markos, A., Menexes, G. & Papadimitriou Th., Multiple Correspondence Analysis for "Tall" Data Sets (2009), Intelligent Data Analysis, 13(6), 873-885. DOI 10.3233/IDA-2009-0398. [pdf] [Matlab and R implementation]
    [4] Vozalis, M., Markos, A. & Margaritis, K.G. (2009) On the Performance of SVD-based Algorithms for Collaborative Filtering, In Proc. of the 4th Balkan Conference in Informatics, IEEE Press, ISBN: 978-0-7695-3783-2, pp. 245 - 250. [pdf]
    [3] Patsioura, F., Kitsiou, S. & Markos, A. (2009) Evaluation of Greek Public Hospital Websites (2009), In J. Filipe, D. A. Marca, B. Shishkov, and M. van Sinderen (eds), In Proc. of the International Conference on e-Business (ICE-B 2009), INSTICC Press, pp. 223 - 229. [pdf]
    [2] Vozalis, M.G., Markos, A.I. & Margaritis, K.G. (2009) A Hybrid Approach for Improving Prediction Coverage of Collaborative Filtering, (2009), In IFIP International Federation for Information Processing, Volume 296; Artificial Intelligence Applications and Innovations III, Eds. Iliadis L., Vlahavas I., Bramer, M., (Boston: Springer), pp. 491 - 498. [pdf]
    [1] Vozalis, M., Markos, A. & Margaritis, K.G. (2009) Evaluation of standard SVD-based techniques for Collaborative Filtering, In Proc. 9th Hellenic European Research on Computer Mathematics and its Applications Conference, HERCMA09. [pdf]

Software

  • caGUI - a Tcl/Tk GUI for the functions of the ca package.

    • A graphical user interface in R for Simple, Multiple και Joint Correspondence Analysis as implemented in the ca package (see Greenacre & Nenadic (2007)).

    Install in R with install.packages("caGUI")

  • CHIC Analysis - Correspondence & HIerachical Cluster Analysis
    •