JOURNALS

• K. Lakiotaki,N. F. Matsatsinis,"Analyzing User Behaviour in Recommender Systems", International Journal of Electronic Business, 10 (1), 1 - 19, (2012) [link]
• K.Lakiotaki, N. F. Matsatsinis, and A.Tsoukiàs, “Multi-Criteria User Modeling in Recommender Systems”, IEEE Intelligent Systems, 26 (2), 64 - 76, (2011) [link]
• K. Lakiotaki, P. Delias, V. Sakkalis and N. F. Matsatsinis, “User Profiling based on Multi-criteria Analysis: The role of Utility Functions”, Operational Research: An International Journal, 9(1),3-16, (2009) [link]
• Athanassia Athanassiou, Maria I. Lygeraki, Dario Pisignano, Kleanthi Lakiotaki, Maria Varda, Elisa Mele, Costas Fotakis, Roberto Cingolani, Spiros H. Anastasiadis, “Photocontrolled variations in the wetting capability of photochromic-polymers enhanced by surface nanostructuring”, Langmuir, 22(5), 2329-2333, (2006)
• A. Athanassiou, K. Lakiotaki, M. Kalyva, S. Georgiou, C. Fotakis, “Photoswitches operating upon ns pulsed laser irradiation”, Appl. Surf. Sci., 248, 56–61, (2005)
• A. Athanassiou, M. Kalyva, K. Lakiotaki, S. Georgiou, C. Fotakis, “All-optical reversible actuation of Photochromic-Polymer Microsystems”, Adv. Mater., 17 (8), 988-992, (2005)
• A. Athanassiou, M. Kalyva, K. Lakiotaki, S.Georgiou, C. Fotakis "Laser controlled mechanical actuation of photochromic-polymer microsystems", Rev. Adv. Mater. Sci., 5, 245-251, (2003)
• A. Athanassiou, K. Lakiotaki, M. Kalyva, S. Georgiou, C. Fotakis, "Laser controlled molecular actuators", Laser Phys., 13 (4), 664–668, (2003)
• Athanassiou, K. Lakiotaki, V. Tornari, S. Georgiou, C. Fotakis, "Photocontrolled mechanical phenomena in photochromic doped polymeric systems", Appl. Phys. A, 76, 97–100, (2003) rapid communication.

BOOK CONTRIBUTIONS

• S. Tsafarakis, K. Lakiotaki and N. Matsatsinis, “Applications of MCDA in Marketing and e-Commerce”, Handbook of Multicriteria Analysis, Applied Optimization Volume 103, 2010, pp 425-44, Springer [link]

CONFERENCES & WORKSHOPS

• K. Lakiotaki, A. Doulamis and N. Matsatsinis, “Memory-based dynamic user modelling”, 9th Special Conference of the Hellenic Operational Research Society (HELORS), Agios Nikolaos, Crete, Greece
• K. Lakiotaki and N. F. Matsatsinis, “Applying the aggregation-disaggregation approach to model user preferences in Recommender Systems: The role of the reference set”, EURO XXIV. 24th European Conference on Operational Research, Lisbon, Portugal
• K. Lakiotaki, N. F. Matsatsinis, “Analyzing User Modeling in a Multi-Criteria Movie Recommender System”, ACM Recommender Systems 2009, (1st International Workshop on Recommendation-based Industrial Applications) October 22-25, New York, USA.
• K. Lakiotaki, S. Tsafarakis, N. F. Matsatsinis, “UTA-REC: A Recommender system based on Multiple Criteria Analysis”, ACM Recommender Systems 2008, October 23-25, Lausanne, Switcherland.
• S. Tsafarakis, K. Lakiotaki, A. Doulamis, N. F. Matsatsinis, “A probabilistic Choice Model for the Product Line Design Problem”, IEEE International Conference on Systems, Man and Cybernetics (SMC 2008), October 12-15, Singapore.
• K. Lakiotaki, N. F. Matsatsinis, “Learning Customer Profiles: Methodology and Implementation”, 67th meeting of the EWG on MCDA, April 3-5, 2008, Rovaniemi, Finland. (discussion paper)
• N.F. Matsatsinis, K. Lakiotaki, P. Delias, “Clustering customers according to their preferences: The role of utility functions”, 66th Meeting of the EWG on MCDA, October 18-20, 2007, Marrakech, Morocco. (discussion paper)
• N. F. Matsatsinis, K. Lakiotaki, P. Delias, “A System based on Multiple Criteria Analysis for Scientific Paper Recommendation”, 11th Panhellenic Conference on Informatics (PCI 2007), May 18-20, Patras, Greece.
• A. Athanassiou , K. Lakiotaki, M. Kalyva, S. Georgiou, C. Fotakis, "Photoswitches operating upon ns pulsed laser irradiation", 4-ICPEPA International Conference on Photo-Excited Processes and Applications, September 5-9, 2004, Lecce, Italy. (Invited)
• A. Athanassiou, M. Kalyva, K. Lakiotaki, S.Georgiou, C. Fotakis “Optomechanical cycles of photochromic-polymer microsystems induced by laser irradiation”, in SPIE's International Symposium on Microtechnologies for the New Millennium, Smart Sensors, Actuators, and MEMS, Jung-Chih Chiao, Vijay K. Varadan, Carles Canι; Eds. 2003, Vol. 5116, 212-219, San Agustín, Gran Canaria, Spain.
• A. Athanassiou, K. Lakiotaki, M. Kalyva, S. Georgiou, C. Fotakis, "Photochromic polymer microactuators exclusivelly driven by ns laser pulse", The 7th International Conference on Laser Ablation (COLA 2003), October 5-10, 2003, Hersonissos, Crete, Greece. (Poster)
• A. Athanassiou, M.Kalyva, K.Lakiotaki, S.Georgiou, C.Fotakis "Fluorescence emission study of Spiropyran molecule doped in polymeric film", The 7th International Conference on Laser Ablation (COLA 2003), October 5-10, 2003, Hersonissos, Crete, Greece. (Poster)
• A. Athanassiou , M. Kalyva, K. Lakiotaki, S. Georgiou, C. Fotakis, "Laser controlled mechanical actuation of photochromic-polymer microsystems",Nanomaterials and Nanotechnologies, August 30-September 6, 2003, Crete, Greece.
• K. Lakiotaki, A. Athanassiou, M. Kalyva, S. Georgiou, C. Fotakis, “Laser irradiation in molecular actuators”, 19th Panhellenic conference in Chemistry, Heraklion, Crete.
• A. Athanassiou , K. Lakiotaki, M. Kalyva, S. Georgiou, C. Fotakis, "Laser controlled microactuators", Gordon Research Conferences: Laser Interactions With Materials , July 21-26, 2002, Proctor Academy, Andover, NH, USA. (poster)
• A. Athanassiou , K. Lakiotaki, M. Kalyva, S. Georgiou, C. Fotakis, "Laser controlled molecular actuators", 11th International Laser Physics Workshop 2002 (LPHYS'02), July 1-5, 2002 Bratislava, Slovakia. (Invited)

SEMINARS & SCHOOLS

• Cost IC0602 International Doctoral School Algorithmic Decision Theory: MCDA and MOO, September 17-21, 2007, Han sur Lesse, Belgium.
• Participant of the 18th Meeting of Nobel Laureates in Chemistry, 25-30 June, Lindau, Germany.
• The Onassis Foundation Science Lecture Series, “The nanotechnology revolution”, July 19-23, 2004 Heraklion, Crete.
• “Patterns in medical standards and material standards for medical informatics products (HL7, DICOM, etc)”, 21/2/2005 – 4/3/2005, Institute of Computer Science, Foundation for Research and Technology, Heraklion, Crete.