Publications

Journal Papers


J29-E. Tzamali, G. Grekas, K. Marias, and V. Sakkalis "Exploring the competition between proliferative and invasive cancer phenotypes in a continuous spatial model", PLoS ONE, Vol. 8, Νο 8, pp. e103191, 2014 (available online: DOI: 10.1371/journal.pone.0103191).

J28-E.G. Spanakis, V. Sakkalis, K. Marias, and A. Traganitis "Cross Layer Interference Management in Wireless Biomedical Networks", Entropy, Vol. 16, pp. 2085-2104, 2014 (available online: DOI: 10.3390/e16042085).

J27. V. Sakkalis, S. Sfakianakis, E. Tzamali, K. Marias, G. Stamatakos, F. Misichroni, E. Ouzounoglou, E. Kolokotroni, D. Dionysiou, D. Johnson, S. McKeever, and N. Graf " Web-Based Workflow Planning Platform Supporting the Design and Execution of Complex Multiscale Cancer Models", IEEE Journal of Biomedical and Health Informatics, Vol. 18, No. 3, pp. 824-831, 2014 (available online: DOI: 10.1109/JBHI.2013.2297167).

J26. A. Hristoskova, V. Sakkalis, G. Zacharioudakis, M. Tsiknakis, and F. De Turck "Ontology-Driven Monitoring of Patient’s Vital Signs Enabling Personalized Medical Detection and Alert", Sensors, Vol. 14, No. 1, pp. 1598-1628, 2014 (available online: DOI: 10.3390/s140101598).

J25. D. Johnson, S. McKeever, G. Stamatakos, D. Dionysiou, N. Graf, V. Sakkalis, K. Marias, Z. Wang, T.S. Deisboeck, "Dealing with Diversity in Computational Cancer Modeling", Cancer Informatics, Vol. 12, pp. 115-124, 2013. (available online: DOI: 10.4137/CIN.S11583).

J24. A. Roniotis, K. Marias, V. Sakkalis, G. C. Manikis and M. Zervakis, "Simulating Radiotherapy Effect in High-Grade Glioma by using Diffusive Modeling and Brain Atlases", Journal of Biomedicine and Biotechnology, Vol. 2012, Article ID 715812, 9 pages, 2012. (available online: DOI: 10.1155/2012/715812).

J23. A. Roniotis, V. Sakkalis, K. Marias, I. Karatzanis and M. Zervakis, "In-depth analysis and evaluation of diffusive glioma models", IEEE Trans. Inf. Tech., Vol. 16, No. 3, pp. 299-307, 2012 (available online: DOI: 10.1109/TITB.2012.2185704).

J22. S. Kartakis, V. Sakkalis, P. Tourlakis, G. Zacharioudakis, C. Stephanidis "Enhancing Health Care Delivery through Ambient Intelligence Applications", Sensors, Vol. 12, No. 9, pp. 11435-50, 2012 (available online: DOI: 10.3390/s120911435).

J21. A. Roniotis, G. Manikis, V. Sakkalis, M. Zervakis, I. Karatzanis, and K. Marias "High grade glioma diffusive modeling using statistical tissue information and diffusion tensors extracted from atlases", IEEE Trans. Inf. Tech., Vol. 16, No. 2, pp. 255-263, 2012 (available online: DOI: 10.1109/TITB.2011.2171190).

J20. V. Sakkalis, "Review of Advanced Techniques for the estimation of Brain Connectivity measured with EEG/MEG", Comput Biol Med. Vol. 41, No 12, pp. 1110-1117, 2011 (available online: DOI:10.1016/j.compbiomed.2011.06.020).

J19. K. Marias, D. Dionysiou, V. Sakkalis, et al., “Clinically-Driven Design of Multiscale Cancer Models: the Contra Cancrum Project Paradigm”, J. R. Soc Interface Focus, Vol. 1, pp. 450-461, 2011 (available online: DOI: 10.1098/rsfs.2010.0037).

J18. M. Zervakis, K. Michalopoulos, V. Iordanidou and V. Sakkalis, "Intertrial Coherence and Causal Interaction among Independent EEG Components", Journal of Neuroscience Methods, Vol. 197, No. 2, pp. 302-14, 2011 (available online: DOI :10.1016/j.jneumeth.2011.02.001).

J17. V. Sakkalis, "Applied strategies towards EEG/MEG biomarker identification in clinical and cognitive research", Biomarkers in Medicine, future medicine, Vol. 5, No. 1, pp. 93-105, 2011.

J16. E. Christodoulou, V. Sakkalis, V. Tsiaras and Ioannis Tollis, "BrainNetVis: An open-access tool to effectively quantify and visualize brain networks", Computational Intelligence & Neuroscience CIN, vol. 2011, Article ID 747290, 12 pages, 2011. DOI: 10.1155/2011/747290.

J15. V. Sakkalis, T. Cassar, M. Zervakis, C. D. Giurcăneanu, C. Bigan, S. Micheloyannis, K. P. Camilleri, S. G. Fabri, V. Tsiaras, E. Karakonstantaki and K. Michalopoulos, "A decision support framework for the discrimination of children with controlled epilepsy based on EEG analysis", Journal of Neuroengineering and Rehabilitation, Vol. 7, No. 24, 2010 (available online: doi:10.1186/1743-0003-7-24).

J14. V. Sakkalis, V. Tsiaras and I. Tollis, "Graph Analysis and Visualization for Brain Function Characterization using EEG Data", Journal of Healthcare Engineering, Vol. 1, No. 3, pp. 435–460, 2010.

J13. C. Farmaki, K. Marias, V. Sakkalis and N. Graf, "Spatially adaptive active contours: A semi-automatic tumor segmentation framework", Int J Comput Assist Radiol Surg., Vol. 5, No. 4, pp. 369-84, 2010.

J12. E. Skounakis, C. Farmaki, V. Sakkalis, A. Roniotis, K. Banitsas, N. Graf and K. Marias, "DoctorEye: A clinically driven multifunctional platform, for accurate processing of tumors in medical images", Intelligent signal and image processing in eHealth - The Open Medical Informatics Journal, pp 105-115, 2010 (available online: DOI: 10.2174/1874431101004010105).

J11. A. Roniotis, K. Marias, V. Sakkalis and M. Zervakis, "Diffusive Modelling of Glioma Evolution: A review", Journal of Biomedical Science and Engineering, Scientific Research Publishing, Vol. 3, No. 5, pp. 501-508, 2010 (available online: DOI: 10.4236/jbise.2010.35070).

J10. P.Y. Ktonas, S. Golemati, P. Xanthopoulos, V. Sakkalis, M. D. Ortigueira, H. Tsekou, M. Zervakis, T. Paparrigopoulos, T. Bonakis, N. Economou, P. Theodoropoulos, S. Papageorgiou, D. Vasilopoulos and C.R. Soldatos, "Time-frequency analysis methods to quantify the time-varying microstructure of sleep EEG spindles: Possibility for dementia biomarkers", Journal of Neuroscience Methods, Vol. 85, No. 1, pp. 133-142, 2009.

J9. K. Lakiotaki, P. Delias, V. Sakkalis and N.F. Matsatsinis, "Multi-criteria Analysis: A fundamental step in User Profiling", Operational Research: An International Journal, Vol. 9, No. 1, pp. 3-16, 2009 (available online: DOI: 10.1007/s12351-008-0024-4).

J8. V. Sakkalis, C.D. Giurcăneanu, P. Xanthopoulos, M. Zervakis, V. Tsiaras, Y. Yang, and S. Micheloyannis, "Assessment of linear and nonlinear synchronization measures for analyzing EEG in a mild epileptic paradigm", IEEE Trans. Inf. Tech., Vol. 13, No 4, pp. 433-441, 2009 (DOI: 10.1109/TITB.2008.923141).

J7. V. Sakkalis, T. Cassar, M. Zervakis, K.P. Camilleri, S.G. Fabri, C. Bigan, E. Karakonstantaki and S. Micheloyannis, "Parametric and Nonparametric EEG Analysis for the Evaluation of EEG Activity in Young Children with Controlled Epilepsy", Computational Intelligence & Neuroscience CIN, Vol. 2008, Article ID 462593, 15 pages, 2008. (available online: DOI:10.1155/2008/462593).

J6. R. Grech, T. Cassar, J. Muscat, K.P. Camilleri, S.G. Fabri,, M. Zervakis, P. Xanthopoulos, V. Sakkalis and B. Vanrumste, "Review on solving the inverse problem in EEG source analysis", Journal of Neuroengineering and Rehabilitation, Vol. 5, No. 1, 2008 (available online: DOI:10.1186/1743-0003-5-25).

J5. V. Sakkalis, M. Zervakis, and S. Micheloyannis, "Significant EEG Features Involved in Mathematical Reasoning: Evidence from Wavelet Analysis", Brain Topography, Vol. 19, No.1-2, pp. 53-60, 2006.

J4. S. Micheloyannis, V. Sakkalis, M. Vourkas, C.J. Stam, and P.G. Simos, "Neural networks involved in mathematical thinking: Evidence from linear and non-linear analysis of electroencephalographic activity", Neuroscience Letters, Vol. 373, pp. 212-217, 2005.

J3. P. G. Simos, E. Papanikolaou, E. Sakkalis, and S. Micheloyannis, “Modulation of Gamma-Band Spectral Power by Cognitive Task Complexity”, Brain Topography, Vol. 14, No. 3, pp. 191-196, Spring 2002.

J2. G. Zacharakis, A. Zolindaki, V. Sakkalis, G. Filippidis, T.G. Papazoglou, D.D. Tsiftsis, E. Koumantakis, “In vitro optical characterization and discrimination of female breast tissue during near infrared femtosecond laser pulses propagation”, Journal of Biomed. Opt., Vol. 6, No. 4, pp. 446-449, October 2001.

J1. G. Zacharakis, A. Zolindaki, V. Sakkalis, G. Filippidis,, E. Koumantakis, and T.G. Papazoglou, “Non-parametric characterization of human breast tissue by the Laguerre expansion of the kernels technique applied on propagating femtosecond laser pulses through biopsy samples”, Appl. Phys. Lett., Vol. 74, No. 5, pp. 771-772, 1999.

Books


V. Sakkalis, "Electroencephalographic Assessment Techniques: Theory and Applications", Neuromethods series by Springer Science + Business Media, Vol. 38, Ed. by Wolfgang Walz, ISSN: 0893-2336 (finalized, to appear in 2014).

Book Chapters


B10. V. Sakkalis, S. Sfakianakis, K. Marias “Bridging social media technologies and scientific research: an exemplary platform for VPH modeling” in: Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (LNICST), K.S. Nikita et al. (Eds.): MobiHealth 2012, vol. 61 (to appear)

B9. E.G. Spanakis, V. Sakkalis, K. Marias, M. Tsiknakis, “Connection between Biomedical Telemetry and Telemedicine” in: Biomedical Telemetry: Series on Biomedical Engineering, K.S. Nikita et al. (Eds.), Wiley - IEEE Press (in press).

B8. V. Sakkalis and K. Marias, "EEG based biomarker identification using graph-theoretic concepts: Case study in alcoholism", Optimization and Data Analysis in Biomedical Informatics, Fields Institute Communications, Vol. 63, pp. 171-189, Ed. by P. M. Pardalos T. Coleman and P. Xanthopoulos, ISBN 978-1-4614-4132-8 (Print) 978-1-4614-4133-5 (Online), Springer 2012 (available online: doi: 10.1007/978-1-4614-4133-5_9).

B7. A. Hristoskova, V. Sakkalis, G. Zacharioudakis, M. Tsiknakis, F. De Turck, “Ontology-Driven Monitoring of Patient’s Vital Signs Enabling Personalized Medical Detection and Alert” in: Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (LNICST), K.S. Nikita et al. (Eds.): MobiHealth 2011, vol. 83, pp. 217–224, ISBN 978-3-642-29733-5 (Print) 978-3-642-29734-2 (Online), Springer 2012 (available online: doi: 10.1007/978-3-642-29734-2_30).

B6. I. Basdekis, V. Sakkalis, C. Stephanidis, “Towards an Accessible Personal Health Record” in: Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (LNICST), K.S. Nikita et al. (Eds.): MobiHealth 2011, vol. 83, pp. 61–68, ISBN 978-3-642-29733-5 (Print) 978-3-642-29734-2 (Online), Springer 2012 (available online: doi: 10.1007/978-3-642-29734-2_9).

B5. K. Marias, V. Sakkalis, N. Graf, "A framework for multi-modal imaging biomarker extraction with application to brain MRI", Data Mining for Biomarker Discovery, Springer Optimization and Its Applications, Springer New York/Vienna, Ed. by P.M. Pardalos, et al., Vol. 65, pp. 91-116, 2012, ISBN 978-1-4614-2106-1 (Print) 978-1-4614-2107-8 (Online), (available online: doi: 10.1007/978-1-4614-2107-8_6).

B4. V. Sakkalis and M. Zervakis, "Methodological Framework for EEG Feature Selection based on spectral and temporal profiles", Computational Neuroscience, Springer Optimization and Its Applications series, Vol. 38, Ed. by Chaovalitwongse Wanpracha et al., ISBN: 978-0-387-88629-9, Springer New York/Vienna, 2010.

B3. V. Sakkalis and M. Zervakis, "Linear and Nonlinear Synchronization Analysis and Visualization during Altered States of Consciousness", Recent Advances in Biomedical Engineering, Ed. by Ganesh R Naik, IN-TECH, Vienna, 2010, ISBN 978-953-307-004-9.

B2. T. Oikonomou, V. Sakkalis, I. Tollis, and S. Micheloyannis, "Searching and Visualizing Brain Networks in Schizophrenia" in: Biological and Medical Data Analysis, Lecture Notes in Computer Science, Ed. by N. Maglaveras, I. Chouvarda, V. Koutkias and R. Brause, Vol. 4345, pp. 172-182, Springer Berlin/ Heidelberg, 2006, ISBN: 978-3-540-68063-5.

B1. A. Kouroubali, V. Sakkalis, C. Chronaki, M. Tsiknakis, “eChallenges in the Implementation of eHealth Services Over a Hybrid Network Architecture: the case of eLearning” in: Exploiting the Knowledge Economy: Issues, Applications, Case Studies, Paul Cunningham and Miriam Cunningham (Eds), IOS Press 2006, ISBN: 1-58603-682-3.

Refereed Articles


A2. A. Roniotis, K. Marias, and V. Sakkalis, "Modelling the Growth of a Malignant Brain Tumour", European Research Consortium for Informatics and Mathematics ERCIM News, No. 81, pp. 21-22, 2010.

A1. V. Sakkalis and I. Tollis, "Modelling the Pathophysiological Human Brain Function", European Research Consortium for Informatics and Mathematics ERCIM News, No. 69, pp. 13-14, 2007.

Other Articles


OA7. E. Spanakis and V. Sakkalis, In Greek: «Τα ψηφιακά δεδομένα των πολιτών» - In English: “Digital Information of the Citizen”, The Economist (Kathimerini), No. 106, pp. 39, December 2012.

OA6. X. Zampoulis, A. Triantafyllou, P. Karamaounas, V. Sakkalis, K. Marias, S Douma and Ch. Zampoulis, In Greek: «Τα μάτια (και το δέρμα) λένε την αλήθεια» - In English: “Eyes (and skin) tell the truth”, The Economist (Kathimerini), No. 101, pp. 35, July, 26, 2012.

OA5. V. Sakkalis and K. Marias, In Greek: «Κακόβουλοι ή ευεργετικοί οι ιοί στους υπολογιστές;» - In English: “Could computer viruses be beneficial?”, The Economist (Kathimerini), No. 97, pp. 34-35, March, 29, 2012.

OA4. V. Sakkalis and G. Zacharioudakis, In Greek: «Ένας ηλεκτρονικός φύλακας-άγγελος» - In English: “Electronic guarding angel”, The Economist (Kathimerini), No. 94, pp. 34-35, December, 29, 2011.

OA3. V. Sakkalis and K. Lakiotaki, In Greek: “«Παράλογη» ή μήπως ορθολογική και αναμενόμενη η συμπεριφορά μας;" – In English: “Human behavior: Rational or irrational?”, The Economist (Kathimerini), No. 90, pp. 54-55, July, 28, 2011.

OA2. V. Sakkalis, In Greek: “Σύγχρονοι προφήτες στους φακέλους υγείας!”, - In English: "Genes: Modern Prophets in a Health Record!", The Economist (Kathimerini), Section Topic: "Genomic Information Management", No. 65, pp. 20-22, June, 25, 2009.

OA1. V. Sakkalis, In Greek: “Μπορούμε να κρατήσουμε τη μοίρα στα χέρια μας;” - In English: "Wireless Biosensors: Do we hold fate in our hands?", The Economist (Kathimerini), Section Topic: "Wireless Future", No. 43, pp. 18-19, September, 27, 2007.

Refereed Conferences


C73. M. Spanakis, F. Dong, V. Sakkalis, M. Tsiknakis, D. Kafetzopoulos, and K. Marias “MyHealthAvatar: The digital patient perspective using Internet of Things technologies,” Workshop on Personal Data Analytics in the Internet of Things, Collocated with the 40th International Conference on Very Large Databases (VLDB 2014), Hangzhou, China, September 5, 2014 (to appear).

C72. M. Spanakis, M.E. Oraiopoulou, E. Tzamali, V. Sakkalis, T. Maris, E. Papadaki, A. Karantanas, and K. Marias, “An in silico estimation of the pharmacokinetic profile and the disposition of Gd-DTPA in brain tumor lesions of different vasculature through PBPK models,” 11th European Association for Neuro-oncology Meeting (EANO 2014), Torino Italy, October 9-12, 2014 (to appear).

C71. R. Favicchio, E. Tzamali, V. Sakkalis, K. Marias, C. Mamalaki, J. Papamatheakis, J. Ripoll, and G. Zacharakis, “Integration of in vivo imaging with in silico growth models predict the distribution of viable cancer cell populations,” World Molecular Imaging Congress, Savannah Georgia, USA, September 18-21, 2013. (To appear also in Molecular Imaging and Biology special issue).

C70. R. Favicchio, E. Tzamali, V. Sakkalis, K. Marias, C. Mamalaki, J. Papamatheakis, J. Ripoll and G. Zacharakis, “Monitoring tumor growth in vivo with fluorescence molecular tomography; comparison with a predictive in silico model,” European Molecular Imaging Meeting (EMIM 2013), Torino Italy, May 26-28, 2013.

C69. P. Vorgia, G. Giannakakis, V. Sakkalis, M. Pediaditis, C. Farmaki, S. Voutoufianakis, and M. Tsiknakis,. «Ανίχνευση αφαιρέσεων με χρήση προσεγγιστικής εντροπίας,» 8ο Πανελλήνιο Συνέδριο Επιληψίας, Θεσσαλονίκη, 18-20 Οκτωβρίου, 2013.

C68. M. Spanakis, E. Papadaki, D. Kafetzopoulos, A. Karantanas, T.G. Maris, V. Sakkalis, and K. Marias, "Exploitation of patient avatars towards stratified medicine through the development of in silico clinical trials approaches", 13th IEEE International Conference on BioInformatics and BioEngineering, Chania, Greece, November 10-13, 2013.

C67. V. Sakkalis, G. Giannakakis, C. Farmaki, A. Mousas, M. Pediaditis, P. Vorgia, and M. Tsiknakis, “Absence Seizure Epilepsy Detection using linear and nonlinear EEG analysis methods,” 35th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2013), Osaka, Japan, July 3-7, pp. 6333-6336, 2013.

C66. G. Giannakakis, V. Sakkalis, M. Pediaditis, C. Farmaki, P. Vorgia, and M. Tsiknakis, “An Approach to Absence Epileptic Seizures Detection Using Approximate Entropy,” 35th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2013), Osaka, Japan, July 3-7, pp. 413-416, 2013.

C65. E. Tzamali, R. Favicchio, A. Roniotis, G. Tzedakis, G. Grekas, J. Ripoll, K. Marias, G. Zacharakis, and V. Sakkalis, “Employing in-vivo Molecular Imaging in Simulating and Validating Tumor Growth,” 35th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2013), Osaka, Japan, July 3-7, pp. 5533-5536, 2013.

C64. V. Sakkalis, S. Sfakianakis, K. Marias "Bridging social media technologies and scientific research: an exemplary platform for VPH modelling", 3rd International ICST Conference on Wireless Mobile Communication and Healthcare (MobiHealth 2012), Paris, France, November 21-23, 2012.

C63. E. Tzamali, V. Sakkalis, K. Marias, "The effects of near optimal growth solutions in genome-scale human cancer metabolic model", 12th International Conference on BioInformatics and BioEngineering, Larnaca, Cyprus, November 11-13, pp. 626-631, 2012.

C62. J. Zepp, N. Graf, I. Karatzanis, H. Stenzhorn, G. Manikis, V. Sakkalis, k. Marias, W. Reith, and G. Stamatakos, "An innovative mathematical analysis of routine MRI scans in patients with glioblastoma using DoctorEye", 12th International Conference on BioInformatics and BioEngineering, Larnaca, Cyprus, November 11-13, pp. 620-625, 2012.

C61. S. Sfakianakis, V. Sakkalis, K. Marias, "Scientific Workflows to support in silico modeling in Cancer Research", 5th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, October 22-23, 2012.

C60. A. Roniotis, V. Sakkalis, E. Tzamali, G. Tzedakis, M. Zervakis, K. Marias, "Solving the PIHNA model while accounting for radiotherapy", 5th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, October 22-23, 2012.

C59. G. Tzedakis, E. Tzamali, V. Sakkalis, A. Roniotis, K. Marias, "Hybrid Model for Tumor Spheroids with Intratumoral Oxygen Supply Heterogeneity", 5th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, October 22-23, 2012.

C58. R. David, N. Graf, I. Karatzanis, H. Stenzhorn, G. C. Manikis, V. Sakkalis, G. S. Stamatakos, K. Marias, "Clinical Evaluation of DoctorEye Platform in Nephroblastoma", 5th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, October 22-23, 2012.

C57. E. Tzamali, V. Sakkalis, K. Marias, "Cancer metabolism: Computational study of the lactate secretion metabolic strategy", 7th Conference of the Hellenic Society for Computational Biology and Bioinformatics (HSCBB 2012), Heraklion, Greece, October 4-6, 2012.

C56. V. Sakkalis, G. Manikis, N. Papanikolaou, I. Karatzanis, K. Marias, “A software prototype for the Assessment of Tumor Treatment Response using diffusion and perfusion MR imaging,” 34th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2012), San Diego, USA, August 28-September 1, pp. 388-91, 2012.

C55. V. Sakkalis, S. Sfakianakis, K. Marias, G. Stamatakos, F. Misichroni, D. Dionysiou, S. McKeever, D. Johnson, T.S. Deisboeck, and N. Graf, "The TUMOR Project: Integrating Cancer Model Repositories for Supporting Predictive Oncology", 2nd Virtual Physiological Human Conference (VPH2012), London, UK, September 18-20, 2012.

C54. S. Sfakianakis, V. Sakkalis, K. Marias, G. Stamatakos, S. McKeever, T. Deisboeck, and N. Graf, “An architecture for integrating cancer model repositories,” 34th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2012), San Diego, USA, August 28-September 1, pp. 6628-31, 2012.

C53. S. Kartakis, P. Tourlakis, V. Sakkalis, G. Zacharioudakis and C. Stephanidis, "Enhancing the patient experience through Ambient Intelligence applications in health care", V International Symposium on Ubiquitous Computing and Ambient Intelligence (UCAmI’11), Riviera Maya (México), December 5-9, 2011.

C52. G. Manikis, V. Sakkalis, X. Zampoulis, P. Karamaounas, A. Triantafyllou, S. Douma, Ch. Zamboulis, and K. Marias, "An Image Analysis Framework for the early assessment of Hypertensive retinopathy signs", International Conference on e-Health and Bioengineering (EHB 2011), Iaşi, Romania, 24-26 November, 2011.

(Best Paper Award: http://www.ekt.gr/content/display?prnbr=84393)

C51. G. Manikis, D. Emmanouilidou, V. Sakkalis, N. Graf and K. Marias, "A Fully Automated Image Analysis Framework for Quantitative Assessment of Temporal Tumor Changes", International Conference on e-Health and Bioengineering (EHB 2011), Iaşi, Romania, 24-26 November, 2011.

C50. A. Hristoskova, V. Sakkalis, G. Zacharioudakis, M. Tsiknakis and F. De Turck, "Ontology-driven Monitoring of Patient Vital Signs enabling Personalized Medical Detection and Alert", 2nd International ICST Conference on Wireless Mobile Communication and Healthcare (MobiHealth 2011), Kos Island, Greece, 5-7 October, 2011.

C49. I. Basdekis, V. Sakkalis and C. Stephanidis, "Towards an Accessible Personal Health Record", 2nd International ICST Conference on Wireless Mobile Communication and Healthcare (MobiHealth 2011), Kos Island, Greece, 5-7 October, 2011.

C48. K. Marias, G. Stamatakos, D. Dionysiou, V. Sakkalis, S. Sfakianakis and M. Tsiknakis, "Computational Services for in silico Oncology: Experiences and Research Challenges", 7th GRACM International Congress on Computational Mechanics, Athens, Greece, 30 June – 2 July, 2011.

C47. C. Farmaki, K. Mavrigiannakis, K. Marias, M. Zervakis, and V. Sakkalis, "Assessment of Automated Brain Structures Segmentation based on the Mean-shift Algorithm Application in Brain Tumor", Information Technology Applications in Biomedicine (IEEE-ITAB 2010), Corfu, Greece, November 3-5, 2010.

C46. G. Stamatakos, D. Dionysiou, S. Giatili, E. Kolokotroni, E. Georgiadi, A. Roniotis, V. Sakkalis, et al., "ContraCancrum at the project level: The ContraCancrum Oncosimulation: Integrating Biomechanisms Across Scales in the Clinical Context", 4th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, September 8-9, 2010.

C45. J. Zepp, N. Graf, E. Skounakis, R. Bohle, E. Meese, H. Stenzhorn, Y.-J. Kim, C. Farmaki, V. Sakkalis, W. Reith, G. Stamatakos, and K. Marias, "Tumor Segmentation: The impact of standardized signal intensity histograms in glioblastoma", 4th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, September 8-9, 2010.

C44. V. Sakkalis, V. Tsiaras, M. Zervakis, and I. Tollis, "EEG Biomarker identification using Graph Theoretic concepts", International Conference on Biomedical Data & Knowledge Mining: Towards Biomarker Discovery, Chania, Greece, July 7-9, 2010.

C43. V. Sakkalis, A. Roniotis, C. Farmaki, I. Karatzanis, and K. Marias, "Evaluation framework for the multilevel macroscopic models of solid tumor growth in the glioma case", 32nd IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2010), Buenos Aires, Argentina, August 31-September 4, 2010.

C42. A. Roniotis, K. Marias, V. Sakkalis, and G. Stamatakos, "Comparing Finite Elements and Finite Differences for developing Diffusive Models of glioma growth", 32nd IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2010), Buenos Aires, Argentina, August 31-September 4, 2010.

C41. A. Roniotis, K. Panourgias, J. Ekaterinaris, K. Marias, and V. Sakkalis, "Approximating the diffusion – reaction equation for developing glioma models for the ContraCancrum Project: a showcase", 4th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, September 8-9, 2010.

C40. K. Marias, V. Sakkalis, et al., "ContraCancrum at the project level: Clinically Oriented Translational Cancer Multilevel Modelling", 4th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, September 8-9, 2010.

C39. K. Marias, V. Sakkalis, et al., "ContraCancrum: Clinically Oriented Translational Cancer Multilevel Modelling", 1st Virtual Physiological Human Conference (VPH2010), Brussels, Belgium, September 30-October 1, 2010.

C38. A. Roniotis, V. Sakkalis, G. Stamatakos, M. Zervakis, and K. Marias, "Glioma diffusive modeling: Calculating diffusion coefficients from atlases with proportional tissue information", 4th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, September 8-9, 2010.

C37. V. Sakkalis, K. Marias, A. Roniotis, and E. Skounakis "Translating cancer research into clinical practice: A framework for analyzing and modeling cancer from imaging data", 9th International Conference on Intelligent Systems Design and Applications (ISDA 2009), Pisa, Italy, November 30-December 2, 2009.

C36. F. Chiarugi, I. Karatzanis, V. Sakkalis, I. Tsamardinos, Th. Dermitzaki., M. Foukarakis, and G. Vrouchos, "Predicting the Occurrence of Acute Hypotensive Episodes: The PhysioNet Challenge", Computers in Cardiology 2009 (CinC 2009), Park City, Utah, USA, September 13-16, 2009.

C35. E. Skounakis, V. Sakkalis, K. Marias, K. Banitsas, and N. Graf, "DoctorEye: A multifunctional open platform for fast annotation and visualization of tumors in medical images", 31st IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2009), Minessota, USA, September 2-6, 2009.

C34. C. Farmaki, K. Marias, V. Sakkalis, and N. Graf, "A spatially adaptive active contour method for improving semi-automatic medical image annotation", 11thInternational Congress of the IUPESM, World Congress 2009, Medical Physics and Biomedical engineering, (WC 2009), Munich, Germany, September 7-12, 2009.

C33. K. Marias, V. Sakkalis, et al., "Clinically Oriented Translational Cancer Multilevel Modeling: The ContraCancrum project", 11th International Congress of the IUPESM, World Congress 2009, Medical Physics and Biomedical engineering, (WC 2009), Munich, Germany, September 7-12, 2009.

C32. A. Roniotis, K. Marias, V. Sakkalis, and G. Stamatakos "The mathematical path to develop a heterogeneous, anisotropic and 3-dimensional glioma model using Finite Differences", Information Technology Applications in Biomedicine (IEEE-ITAB 2009), Larnaca, Cyprus, November 5-7, 2009.

C31. V. Iordanidou, K. Michalopoulos, V. Sakkalis, and M. Zervakis, "Decomposition methods for detailed analysis of content in ERP recordings", 19th International Conference on Artificial Neural Networks (ICANN 2009), Limassol, Cyprus, September 14-17, 2009.

C30. K. Michalopoulos, V. Sakkalis, V. Iordanidou, and M. Zervakis, "Activity detection and causal interaction analysis among independent EEG components from memory related tasks", 31st IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2009), Minessota, USA, September 2-6, 2009.

C29. A. Kouroubali, V. Sakkalis, B. Vissers, D. Manousos, and I. Tollis, "eLearning for Basic Life Support CPR knowledge for Citizens", eChallenges (e-2009), Istanbul, Turkey, October 21-23, 2009.

C28. A. Roniotis, K. Marias, V. Sakkalis, G.D. Tsibidis, and M. Zervakis, "A complete mathematical study of a 3D model of heterogeneous and anisotropic glioma evolution", 31st IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2009), Minessota, USA, September 2-6, 2009.

C27. V. Sakkalis, K. Marias, and G. Stamatakos, "Clinical data driven in silico tumor growth and therapy modeling", Data Mining in Biomedicine (DMINBIO ’09), Athens Information Technology, Paiania, Greece, 7-8 May, 2009.

C26. V. Sakkalis, V. Tsiaras, K. Michalopoulos, and M. Zervakis, "Assessment of neural dynamic coupling and causal interactions between independent EEG components from cognitive tasks using linear and nonlinear methods", 30th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2008), Vancouver, Canada, August 20-24, 2008.

C25. M. Andersson, V. Sakkalis, J. Ripoll, V. Ntziachristos, and K. Marias, "3D Multi-Modal Registration for Assessing Molecular Activity Changes in Time-Dependent Geometries", 30th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2008), Vancouver, Canada, August 20-24, 2008.

C24. V. Tsiaras, I. Tollis, and V. Sakkalis, "Brain Network Analyzer", 16 Int. Symp. On Graph Drawing, (GD 2008), Heraklion, Crete, Greece, September 21-24, 2008.

C23. F. Chiarugi, V. Sakkalis, D. Emmanouilidou, T. Krontiris, M. Varanini, and I. Tollis, "Adaptive Threshold QRS Detector with Best Channel Selection Based on a Noise Rating System", Computers in Cardiology 2007 (CinC 2007), Durham, North Carolina, USA, 30 Sep-3 Aug, 2007.

C22. V. Sakkalis, V. Tsiaras, M. Zervakis, and I. Tollis, "Optimal brain network synchrony visualization: Application in an alcoholism paradigm", 29th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2007), Lyon, France, August 23-26, 2007.

C21. P. Ktonas, S. Golemati, P. Xanthopoulos, V. Sakkalis, M.D. Ortigueira, H. Tsekou, M. Zervakis, T. Paparrigopoulos, and C.R. Soldatos, "Potential dementia biomarkers based on the time-varying microstructure of sleep EEG spindles", 29th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2007), Lyon, France, August 23-26, 2007.

C20. P. Ktonas, S. Golemati, P. Xanthopoulos, V. Sakkalis, M. D. Ortigueira, H. Tsekou, M. Zervakis, T. Paparrigopoulos, and C. R. Soldatos, "Model-based quantification of the time-varying microstructure of sleep eeg spindles: possibility for eeg-based dementia biomarkers", 3rd International Conference on Computational Intelligence in Medicine and Healthcare (CIMED), Plymouth, England, 25-27 July 2007.

C19. T. Oikonomou, V. Sakkalis, I. Tollis, and S. Micheloyannis, "Searching and Visualizing Brain Networks in Schizophrenia", 7th International Symposium on Biological and Medical Data Analysis (ISBMDA 2006), Thessaloniki, Greece, December 7-8, 2006.

C18. V. Sakkalis, T. Oikonomou, E. Pachou, I. Tollis, S. Micheloyannis, and M. Zervakis, "Time-significant Wavelet Coherence for the Evaluation of Schizophrenic Brain Activity using a Graph theory approach", 28th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2006), New York, USA, August 30-Sept. 3, 2006.

C17. P. Xanthopoulos, S. Golemati, V. Sakkalis, P.Y. Ktonas, M. Zervakis, and C.R. Soldatos, "Modeling the time-varying microstructure of simulated sleep EEG spindles using time-frequency analysis methods", 28th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2006), New York, USA, August 30-Sept. 3, 2006.

C16. V. Sakkalis, M. Zervakis, C. Bigan, T. Cassar, K.P. Camilleri, S.G. Fabri, and Sifis Micheloyannis, "Validation of time-frequency and ARMA feature extraction methods in classification of mild epileptic signal patterns", Information Technology Applications in Biomedicine (IEEE-ITAB 2006), Ioannina - Epirus, Greece, October 26-28, 2006.

C15. V. Sakkalis, C.D.Giurcăneanu, P. Xanthopoulos, M. Zervakis, Y. Yang, and S. Micheloyannis, "Assessment of linear and non-linear EEG synchronization measures for evaluating mild epileptic signal patterns", Information Technology Applications in Biomedicine (ITAB 2006), Ioannina - Epirus, Greece, October 26-28, 2006.

C14. P. Xanthopoulos, S. Golemati, V. Sakkalis, P.Y. Ktonas, M.D. Ortigueira, M. Zervakis, T. Paparrigopoulos, X.Tsekou, and C.R. Soldatos, "Comparative analysis of time-frequency methods estimating the time-varying microstructure of sleep EEG spindles", Information Technology Applications in Biomedicine (ITAB 2006), Ioannina - Epirus, Greece, October 26-28, 2006.

C13. Α. Κουρούμπαλη, Δ. Βουρβαχάκης, Β. Σακκαλής, Β. Κοντογιάννης, Μ. Μυτάρας, Ν. Αγγουράκης, Κ. Χρονάκη, «Mαθήματα τηλε-εκπαίδευσης στην επείγουσα προνοσοκομειακή ιατρική: εμπειρία και προοπτικές», περίληψη για το 9ο Συνέδριο Αναισθησιολογίας και Εντατικής Ιατρικής, Χαλκιδική, 7-10 Σεπτεμβρίου 2006.

C12. E. Pachou, T. Oikonomou, V. Sakkalis, et al., "Using graph theoretical methods to evaluate EEG signals in schizophrenia", Joint Workshop On BIOPATTERN Analysis In Brain Diseases, Goteborg, Sweden, May 18-19, 2006.

C11. C. Bigan, M. Besleaga, M. Zervakis, V. Sakkalis, K. Michalopoulos, M. Woolfson, M. Ortigueira, A. Batista, R. Rato, M. Righi, U. Barcaro, A. Starita, K.P. Camilleri, S.G. Fabri, J. Muscat, R. Grech, and T. Cassar, "EEG signal pre-processing for segmentation into significant regions, major artefacts removal, and uncertainty reduction in epileptic seizure characterization", Joint Workshop On BIOPATTERN Analysis In Brain Diseases, Goteborg, Sweden, May 18-19, 2006.

C10. P. Xanthopoulos, S. Golemati, V. Sakkalis, P.Y. Ktonas, M.D. Ortigueira, M. Zervakis, T. Paparrigopoulos, X. Tsekou, and C.R. Soldatos, "Modeling the time-varying microstructure of sleep EEG spindles using time-frequency analysis methods", Joint Workshop On BIOPATTERN Analysis In Brain Diseases, Goteborg, Sweden, May 18-19, 2006.

C9. V. Sakkalis, M. Zervakis, C. Bigan, T. Cassar, K.P. Camilleri, S.G. Fabri, and S. Micheloyannis, "EEG feature extraction and selection methods using wavelets and ARMA model for classifying mild epileptic signal patterns", Joint Workshop On BIOPATTERN Analysis In Brain Diseases, Goteborg, Sweden, May 18-19, 2006.

C8. S. Erimaki, K. Kanatsouli, E. Karakonstandaki, M. Vourkas, V. Sakkalis, and S. Micheloyannis, “EEG Responses To Complex Fractal Stimuli”, 2 nd International Nonlinear Science Conference, Heraklion, Crete, Greece March 10-12, 2006.

C7. V. Sakkalis, M. Zervakis, S. Erimaki, and S. Micheloyannis, "Evaluation of Electroencephalographic Activity involved in Mathematical thinking using Wavelet Analysis and Significance-Based Features", 2nd International Conference on Computational Intelligence in Medicine and Healthcare (CIMED), Lisbon, PORTUGAL, June 2005.

C6. V. Sakkalis, M. Zervakis, and S. Micheloyannis, "Biopattern Initiative: towards the Development and Integration of Next-Generation Information Fusion Approaches", 26th IEEE-EMBS - Annual International Conference of the IEEE Engineering in Medicine and Biology Society, San Fransisco, CA, USA, September 2004.

C5. V. Sakkalis, M. Zervakis, and S. Micheloyannis, "Evaluation of EEG Power Spectrum Measures using Fourier and Wavelet based Transformation Techniques as a Function of Task Complexity", EWADB 2004 - 1st European Workshop on the Assessment of Diagnostic Performance, Milan, ITALY, July 2004.

C4. V. Sakkalis, F. Chiarugi, S. Kostomanolakis, C.E. Chronaki, M. Tsiknakis and S.C. Orphanoudakis, "A Gateway between the SCP-ECG and the DICOM Supplement 30 Waveform Standard", Computers in Cardiology, Chalkidiki, GREECE, September 2003.

C3. S. Kostomanolakis, G. Kavlentakis, V. Sakkalis, C.E. Chronaki, M. Tsiknakis and S.C. Orphanoudakis “Seamless Integration of Healthcare Processes related to Image Management and Communication in Primary Healthcare Centers”, Proceedings of the 18th international Conference EuroPACS 2000, Graz, Austria books@ocg.at BAND 144 pp. 126-132 (2000).

C2. G. Zacharakis, V. Sakkalis, G. Filippidis, A. Zolindaki, E. Koumantakis, T.G. Papazoglou, “In vitro optical characterization of female breast tissue with near infrared fsec laser pulses Series of the International Society on Optics Within Life Science (OWLS) Volume V Springer - Verlag, Berlin, Heidelberg pp. 294-296 (2000).

C1. Κ. Γεωργίου, Ν. Δαλαμάγκας, Π. Καραβίτη, Β. Σακκαλής. Ε. Τριανταφύλλου, Γ. Νεοφώτιστος, "Πειραματισμός με τη χρήση του Παγκοσμίου ιστού στα πλαίσια του μαθήματος 'Διαφορικές Εξισώσεις Ι' του Φυσικού Τμήματος του Πανεπιστημίου Κρήτης", Πρακτικά της 1ης Παγκρήτιας Ημερίδας Καθηγητών Πληροφορικής "Η Πληροφορική στην Εκπαίδευση", Ηράκλειο 1996.