Wire Communications Laboratory

[1]. T. Kostoulas, I. Mporas, T. Ganchev, N. Katsaounos, A. Lazaridis, S. Ntalampiras, N. Fakotakis: LOGOS: A Multimodal Dialogue System for Controlling Smart Appliances, accepted for presentation at the 1st International Symposium on Intelligent Interactive Multimedia Systems and Services, KES-IIMSS-2008, Piraeus, Greece, July 9-11, 2008.. (Conference)

[2]. T. Kostoulas, I. Mporas, T. Ganchev, N. Fakotakis: The Effect of Emotional Speech on a Smart-Home Application, 21st International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems, IEA-AIE-2008. (Conference)

[3]. S. Ntalampiras, I. Potamitis, T. Ganchev, N. Fakotakis: Audio Database in Support of Potential Threat and Crisis Situation Management, accepted for presentation at LREC’2008, Morocco, May 28-30, 2008.. (Conference)

[4]. T. Winkler, T. Kostoulas, R. Adderley, C. Bonkowski, T. Ganchev, J. Kohler, N. Fakotakis: The MoveOn Motorcycle Speech Corpus, accepted for presentation at LREC’2008, Morocco, May 28-30, 2008.. (Conference)

[5]. T. Kostoulas, T. Ganchev, I. Mporas, N. Fakotakis: A Real-World Emotional Speech Corpus for Modern Greek, accepted for presentation at LREC’2008, Morocco, May 28-30, 2008. (Conference)

[6]. I. Mporas, T. Ganchev, N. Fakotakis: A Hybrid Architecture for Automatic Segmentation of Speech Waveforms, Proc. of the ICASSP’2008, Las Vegas, USA, March 30 - April 4, 2008.. (Conference)

[7]. Siafarikas M., Mporas I., Ganchev T., Fakotakis N.: Speech Recognition Using Wavelet Packet Features, to appear in Journal of Wavelet Theory and Applications, ISSN 0973-6336, 2008.. (Journal)

[8]. T. Ganchev, K.E. Parsopoulos, M.N. Vrahatis, N. Fakotakis: Partially Connected Locally Recurrent Probabilistic Neural Networks, to appear in Recurrent Neural Networks, ISBN 978-3-902613-28-8, 2008.. (Book)

[9]. A. Lazaridis, T. Kostoulas, I. Mporas, T. Ganchev, N. Katsaounos, S. Ntalampiras, N. Fakotakis: Human Evaluation of the LOGOS Multimodal Dialogue System, accepted for presentation in PETRA 2008, 1st International Conference on PErvasive Technologies Related to Assistive Environments, Athens, Greece, July 16 - 19, 2008. (Conference)

[10]. T. Kostoulas, T. Ganchev, I. Mporas, N. Fakotakis: Detection of Negative Emotional States in Real-World Scenario, Proc. of the ICTAI’2007, October 29-31, 2007, Patras, Greece, pp.502–509. (Conference)

[11]. T. Ganchev, D.K. Tasoulis, M.N. Vrahatis, N. Fakotakis: Generalized Locally Recurrent Probabilistic Neural Networks with application to Text-Independent Speaker Verification , Neurocomputing, vol. 70, 7-9 (Mar. 2007), pp. 1424–1438. DOI= http://dx.doi.org/10.1016/j.neucom.2006.05.012. (Journal)

[12]. I. Mporas, T. Ganchev, M. Siafarikas, N.Fakotakis: Comparison of Speech Features on the Speech Recognition Task, Journal of Computer Science, ISSN 1549-3636, Science Publications New York, USA, vol.3, no.8, 2007, pp.608–616. (Journal)

[13]. T. Ganchev, I. Potamitis, N. Fakotakis: Acoustic Monitoring of Singing Insects, Proc. of the ICASSP’2007. Vol.4, pp.721–724. (Conference)

[14]. I. Mporas, T. Ganchev, E. Kotinas, N. Fakotakis: Examining the Influence of Speech Frame Size and Number of Cepstral Coefficients on the Speech Recognition Performance, Proc. of the SPECOM'2007, October 15-18, 2007, Moscow, Russia, pp.134–139. (Conference)

[15]. M. Siafarikas, T. Ganchev, N. Fakotakis: Wavelet Packet Bases for Speaker Recognition, Proc. of the ICTAI’2007, October 29-31, 2007, Patras, Greece, pp.514–517. (Conference)

[16]. T. Kostoulas, T. Ganchev, N. Fakotakis: Study on speaker-independent emotion recognition from speech on real-world data, Cost2102 Workshop, LNCS, 2007. (Conference)

[17]. T. Ganchev, I. Potamitis, N. Fakotakis: Automatic Acoustic Identification Of Crickets And Cicadas, Proc. of the ISSPA’2007, February 12-15. 2007. (Conference)

[18]. P. Zervas, T. Kostoulas, N. Fakotakis: Evaluation of a Greek Prosody Speech Corpus for Emotion Recognition, Acoustics 2006, Heraklion, Crete, Greece, September 18-19, pp. 77-82, 2006. (Conference)

[19]. T. Ganchev, M. Siafarikas and N. Fakotakis: Evaluation of speech parameterization methods for speaker recognition, Acoustics 2006, Sept 18-19, 2006. pp.105-110. (Conference)

[20]. T. Kostoulas, I. Mporas, N. Fakotakis: Emotion Recognition in Noise Environments, Acoustics 2006, Heraklion, Crete, Greece, September 18-19, pp. 97-104, 2006. (Conference)

[21]. T. Kostoulas and N.Fakotakis: A Speaker Dependent Emotion Recognition Framework, CSNDSP Fifth International Symposium, pp. 305-309, Patras, July 19-21, 2006. (Conference)

[22]. I. Potamitis, T. Ganchev, N. Fakotakis: Automatic Acoustic Identification of Insects Inspired by the Speaker Recognition Paradigm, Interspeech2006 -- ICSLP, Pittsburgh, PA, USA, Sept 17-21, 2006, pp.2126-2129. (Conference)

[23]. T. Ganchev, N. Fakotakis, G. Kokkinakis: The WCL-1 System in the 2003 NIST Speaker Recognition Evaluation and 2003 NFI/TNO Forensic Speaker Recognition Evaluation , 11th International Conference Speech and Computer, SPECOM'2006, 25-29 June 2006, pp.109-114. (Conference)

[24]. P. Zervas, T. Ganchev, N. Fakotakis, G. Kokkinakis: Negative Emotional State Detection from Speech, Fifth International Symposium On Communication Systems, Networks And Digital Signal Processing, CSNDSP'06, 19-21 July, 2006. pp.310-313. (Conference)

[25]. T. Ganchev, P. Zervas, N. Fakotakis, G. Kokkinakis: Benchmarking Feature Selection Techniques on the Speaker Verification Task , Fifth International Symposium On Communication Systems, Networks And Digital Signal Processing, CSNDSP'06, 19-21 July, 2006. pp.314-318. (Conference)

[26]. I. Mporas, T. Ganchev, P. Zervas, N. Fakotakis: Recognition of Greek Phonemes using Support Vector Machines , G. Antoniou et al. (Eds.): SETN 2006, LNAI 3955, © Springer-Verlag Berlin Heidelberg 2006. pp. 290–300. (Conference)

[27]. T. Ganchev, N. Fakotakis, G. Kokkinakis: Comparative Evaluation of Various MFCC Implementations on the Speaker Verification Task , 10th International Conference on Speech and Computer, SPECOM 2005, October 17-19, 2005. Patras, Greece. Vol. 1, pp.191-194. (Conference)

[28]. M. Maragoudakis, A. Thanopoulos, K. Sgarbas and N. Fakotakis: Effective plan recognition in a weather dialogue system, IEEE Intelligent Systems. (Journal)

[29]. M. Siafarikas, T. Ganchev, N. Fakotakis, G. Kokkinakis: Overlapping Wavelet Packet Features for Speaker Verification , INTERSPEECH 2005, September 4-8, 2005. Lisbon, Portugal, pp.3121-3124. (Conference)

[30]. 27. P. Zervas, G. Xydas, N. Fakotakis, G. Kokkinakis, G. Kouroupetroglou: Experimental Evaluation of Tree-Based Algorithms for Intonational Breaks Representation, TSD 2005, 8th International Conference on Text, Speech and Dialogue, Karlovy Vary (Carlsbad), Czech Republic. Lecture Notes in Artificial Intelligence (LNCS), pp.334-341, Springer-Verlang. (Book)

[31]. I. Mporas, N. Fakotakis: Least Squares Support Vector Machine based Phoneme Recognition , SPECOM 2005, pp. 377-380, Patras, Greece, Oct. 2005. (Conference)

[32]. T. Ganchev, I. Potamitis, N. Fakotakis, G. Kokkinakis: A Model Based Approach for Robust Text-Independent Speaker Verification in Adverse Environments, Signal Processing and Pattern Recognition, AMSE Periodicals, Volume 47, Issue 3, 2004, pp. 47–66. (Journal)

[33]. T. Ganchev, D. Tasoulis, M. Vrahatis, N. Fakotakis: Generalized Locally Recurrent Probabilistic Neural Networks for Text-Independent Speaker Verification , Proc. of the ICASSP’2004 , Montreal, Quebec, Canada, May 17–21, 2004, Vol.1, pp. 41–44. (Conference)

[34]. S. Moller, J. Krebber, A. Raake, P. Smeele, M. Rajman, M. Melichar, V. Pallotta, G. Tsakou, B. Kladis, A. Vovos, J. Hoonhout, D. Schuchardt, N. Fakotakis, T. Ganchev, I. Potamitis: INSPIRE: Evaluation of a Smart-Home System for Infotainment Management and Device Control , Proc. of the LREC’2004, Lisbon, May 26-28 2004, pp.1603–1606. (Conference)

[35]. M. Siafarikas, T. Ganchev, N. Fakotakis: Wavelet Packets Based Speaker Verification , Proc of the ISCA Speaker and Language Recognition Workshop – Odyssey’2004, Toledo, Spain, May 31-June 3, 2004, pp. 257–264. (Conference)

[36]. T. Ganchev, M. Siafarikas, N. Fakotakis: Speaker Verification Based on Wavelet Packets , 7th International Conference on Text Speech and Dialogue (TSD 2004), Lecture Notes in Computer Science, Springer-Verlag, Heidelberg, ISSN: 0302-9743, vol. LNAI 3206/2004, Sept. 2004, pp. 299–306. (Book)

[37]. M. Maragoudakis, T. Ganchev, N. Fakotakis: Bayesian Reinforcement for a Probabilistic Neural Net Part-Of-Speech Tagger , 7th International Conference on Text Speech and Dialogue (TSD 2004), Brno, Czech Republic, September 8-11, 2004. Lecture Notes in Computer Science, Springer-Verlag, Heidelberg, ISSN: 0302-9743, vol. LNAI 3206/2004, Sept. 2004, pp. 137–145. (Book)

[38]. M. Siafarikas, T. Ganchev, N. Fakotakis: Objective Wavelet Packet Features for Speaker Verification , Proc of the INTERSPEECH 2004 - ICSLP, Oct 4- 8 , Jeju, Korea, 2004, pp. 2365–2368. (Conference)

[39]. T. Ganchev, I. Potamitis, N. Fakotakis, G. Kokkinakis: Text-Independent Speaker Verification for Real Fast-Varying Noisy Environments , International Journal of Speech Technology, ISSN 1381-2416, Kluwer Academic Publishers, (http://www.kluweronline.com/issn/1381-2416), Volume 7, Issue 4, October 2004, pp. 281–292. (Journal)

[40]. K.L. Kermanidis, M. Maragoudakis, N. Fakotakis and G. Kokkinakis: Learning Greek Verb Complements: Addressing the Class Imbalance, 20th International Conference on Computational Linguistics, COLING 2004, pp. 1065-1071 Geneva, Switzerland. (Conference)

[41]. M. Siafarikas, T. Ganchev, N. Fakotakis: Speaker Verification Reinforced by Objective Wavelet Packets-based Speech Parameterization , GESTS International Transaction on Speech Science and Engineering, ISSN 1738-4737, (http://www.gests.org), Volume 1, Issue 2, December 2004, pp. 60–71. (Journal)

[42]. T. Ganchev, N. Fakotakis, G. Kokkinakis: The WCL-1 System in the NIST Year 2004 Speaker Recognition Evaluation , 2004 NIST Speaker Recognition Evaluation Workshop, June 3-4, 2004, Toledo, Spain. (Conference)

[43]. M. Maragoudakis, N. Fakotakis: A Bayesian Network Model for Stochastic Tagging of Natural Language Texts, Journal of Applied Linguistics. (Journal)

[44]. M. Maragoudakis, K. Kermanidis, A. Tasikas, N. Fakotakis, G. Kokkinakis: Bayesian Induction of Verb Subcategorization Frames in Imbalanced Heterogeneous Data,, Journal of Quantitative Linguistics. (Journal)

[45]. M. Maragoudakis, N. Fakotakis, G. Kokkinakis: Imposing classification bias in Bayesian network learning, Pattern recognition and Image analysis. (Journal)

[46]. K.L. Kermanidis, M. Maragoudakis, N. Fakotakis and G. Kokkinakis: Learning Greek Verb Complements: Addressing the Class Imbalance, 20th International Conference on Computational Linguistics, COLING 2004, Geneva, Switzerland. (Conference)

[47]. M. Maragoudakis, N. Fakotakis: Bayesian Semantics Incorporation to Web Content for Natural Language Information Retrieval, LREC 2004, 4th International Conference on Language Resources and Evaluation, pp. 785-788, Lisbon, Portugal. (Conference)

[48]. M. Maragoudakis, N. Fakotakis, G. Kokkinakis: A Bayesian Model for Shallow Syntactic Parsing of Natural Language Texts, LREC 2004, 4th International Conference on Language Resources and Evaluation, pp. 847-850, Lisbon, Portugal. (Conference)

[49]. M. Maragoudakis, A. Thanopoulos, K. Sgarbas, N. Fakotakis: Domain Knowledge Acquisition and plan recognition by probabilistic reasoning, Int. Journal of Artificial Intelligence Tools. (Journal)

[50]. T. Ganchev, D. Tasoulis, M. Vrahatis, N. Fakotakis: Locally Recurrent Probabilistic Neural Networks with Application to Speaker Verification , GESTS International Transaction on Speech Science and Engineering, ISSN 1738-4737, (http://www.gests.org), Volume 1, Issue 2, December 2004, pp. 1–13. (Journal)

[51]. P. Zervas, N. Fakotakis, G. Kokkinakis: Pitch Accent prediction from ToBI annotated corpora based on Bayesian Learning, Brno, Czech Republic. Lecture Notes in Artificial Intelligence (LNCS), Springer-Verlang. (Conference)

[52]. T. Ganchev, N. Fakotakis, G. Kokkinakis: One-Speaker Detection – Limited Data: The WCL-1 System , 2003 NIST Speaker Recognition Workshop, College Park, MD, USA, June 24-25, 2003. (Conference)

[53]. M. Maragoudakis, K. Kermanidis and N. Fakotakis: A Bayesian Part-Of-Speech and Case Tagger for Modern Greek, 6th International conference of Greek linguistics (ICGL 2003), September 18-21, 2003, Rethymno, Greece. (Conference)

[54]. P. Zervas, M. Maragoudakis, N. Fakotakis and G. Kokkinakis: Bayesian Induction of intonational phrase breaks , 8th International Conference on Speech Communication and Technology (Eurospeech 2003) September 1-4, 2003, Geneva, Switzerland, pp. 113-116. (Conference)

[55]. I. Potamitis, K. Georgila, P. Zervas, N. Fakotakis, G. Kokkinakis: An Electronic Assistant for Automatic Control of Home-Appliances Using Natural Speech and Distant Microphones, In Proceedings of IASTED International Conference on Signal Processing, Pattern Recognition and Applications, pp. 191-195, Rhodes, Greece, June 30-July 02, 2003. (Conference)

[56]. M. Maragoudakis, A. Thanopoulos and N. Fakotakis: User Modeling and Plan Recognition under Conditions of Uncertainty , 6th International Conference on Text, Speech and Dialogue (TSD 2003) September 8-11, 2003, Ceske Budejovice, Czech Republic. Lecture Notes in Artificial Intelligence (LNAI), Matousek and Mautner (Eds.), pp 372-379, Springer Verlang. (Book)

[57]. M. Maragoudakis, P. Zervas, N. Fakotakis and G. Kokkinakis: A Data-Driven Framework for Intonational Phrase Break Prediction , 6th International Conference on Text, Speech and Dialogue (TSD 2003) September 8-11, 2003, Ceske Budejovice, Czech Republic. Lecture Notes in Artificial Intelligence (LNAI), Matousek and Mautner (Eds.), pp 189-197, Springer Verlang. (Book)

[58]. M. Maragoudakis, E. Kavallieratou, N. Fakotakis and G. Kokkinakis: An Effective Stochastic Estimation of Handwritten Character Segmentation Bounds , ISAP 2003: Competitive Environment, Renewable Energy, Distributed Generation. Lemnos, Greece, 31 August- 3 September , 2003. (Conference)

[59]. M. Maragoudakis, K. Kermanidis and N. Fakotakis: Towards a Bayesian Stochastic Part-Of-Speech and Case Tagger of Natural Language Corpora , CORPUS LINGUISTICS 2003, Lancaster University (UK), 28 - 31 March, pp 486-495, 2003. (Conference)

[60]. M. Maragoudakis, A. Thanopoulos, Kyriakos Sgarbas and N. Fakotakis: Domain knowledge acquisition and plan recognition by probabilistic reasoning , Seventh International Conference on Knowledge-Based Intelligent Information & Engineering Systems (ΚES'2003). University of Oxford, United Kingdom 3-5 September, 2003. (Book)

[61]. K. Georgila, K. Sgarbas, A. Tsopanoglou, N. Fakotakis, G. Kokkinakis: A Speech-based Human-Computer Interaction System for Automating Directory Assistance Services, International Journal of Speech Technology, Special Issue on Speech and Human Computer Interaction, Kluwer Academic Publishers, Vol. 6, No. 2, pp. 145-159, 2003 (http://www.kluweronline.com/issn/1381-2416). (Journal)

[62]. T. Ganchev, N. Fakotakis, G. Kokkinakis: Impostor Modelling Techniques for Speaker Verification Based on Probabilistic Neural Networks , The IASTED International Conference on Signal Processing, Pattern Recognition, and Applications SPPRA 2003, Rhodes, Greece, June 30-July 2, 2003. pp.185–190. (Conference)

[63]. P. Zervas, I. Potamitis, N. Fakotakis, G. Kokkinakis: Fixed-Point DSP Implementation of HVXC Encoder/Decoder on OakDSPCore Platform, SPPRA 2003, International Conference on Signal Processing, Pattern Recognition and Applications, pp. 220-223, Rhodes, Greece, June 30 - July 2, 2003. (Conference)

[64]. I. Potamitis, K. Georgila, N. Fakotakis, G. Kokkinakis: Towards a User-friendly Automated Control of Home Appliances Based on Speech Recognition and Microphone Arrays, In Proceedings of the International Workshop on Speech and Computers, Moscow, Russia, Oct. 27-29, 2003 (to be presented). (Conference)

[65]. I. Potamitis, K. Georgila, P. Zervas, N. Fakotakis, G. Kokkinakis: An electronic assistant for automatic control of home-appliances using natural speech and distant microphones, SPPRA 2003, International Conference on Signal Processing, Pattern Recognition and Applications, pp. 191-195, Rhodes, Greece, June 30 - July 2, 2003. (Conference)

[66]. T. Ganchev, I. Potamitis, N. Fakotakis: Noise-Source Modelling for Robust Speaker Verification in Adverse Environments , Competitive Environment, Renewable Energy, Distributed Generation ISAP 2003, Lemnos, Greece, August 31st - September 3rd, 2003. paper ISAP03/137. (Conference)

[67]. A. Thanopoulos, N. Fakotakis, G. Kokkinakis,: Identification of Multiwords as Preprocessing for Automatic Extraction of Lexical Similarities , TSD 2003, 6th International Conference on Text, Speech and Dialogue, Ceske Budejovice, Czech Republic, Sept. 8 - 11, 2003. Vaclav Matousek, Pavel Mautner, et. al. (Editors): Lecture Notes in Artificial Intelligence, LNAI 2807, pp. 98-105, Springer-Verlag, 2003. (Book)

[68]. T. Ganchev, N. Fakotakis, G. Kokkinakis: Probabilistic Neural Networks Based Speaker Verification in Forensic Scenario, 2003 NFI/TNO Forensic Speaker Recognition Evaluation, September 2003, The Netherlands. (Technical report)

[69]. I. Potamitis, K. Georgila, N. Fakotakis, G. Kokkinakis: An Integrated System for Smart-Home Control of Appliances Based on Remote Speech Interaction , EUROSPEECH 2003, 8th European Conference on Speech Communication and Technology, pp. 2197-2200, Geneva, Switzerland, Sept. 1-4, 2003. (Conference)

[70]. K. Georgila, K. Sgarbas, N. Fakotakis, G. Kokkinakis: A Layered, Transducer-Based Language Model for Speech and Language Processing , In Proceedings of the International Workshop on Speech and Computers, Moscow, Russia, Oct. 27-29, 2003 (to be presented). (Conference)

[71]. T. Ganchev, N. Fakotakis, G. Kokkinakis: Toward 2003 NIST Speaker Recognition Evaluation: The WCL-1 System , International Workshop Speech and Computer SPECOM-2003, Moscow, Russia, October 27-29, 2003. pp.256–261. (Conference)

[72]. T. Ganchev, N. Fakotakis, G. Kokkinakis: Text-Independent Speaker Verification: The WCL-1 System , 6th International Conference on Text, Speech and Dialogue TSD 2003, Lecture Notes in Artificial Intelligence (LNAI), Matousek and Mautner (Eds.), Springer Verlag, vol. LNAI 2807/2003, September 2003, pp.263– 268. (Book)

[73]. T. Ganchev, D. Tasoulis, M. Vrahatis, N. Fakotakis: Locally Recurrent Probabilistic Neural Network for Text-Independent Speaker Verification , 8th European Conference on Speech Communication and Technology EUROSPEECH 2003, Geneva, Switzerland, September 1-4, 2003. Volume III, pp.1673–1676. (Conference)

[74]. K. Georgila , N. Fakotakis , G. Kokkinakis: Stochastic Language Modelling for Recognition and Generation in Dialogue Systems, T.A.L, (Traitement automatique des langues) Journal,Vol. 43, No. 3, pp. 129-154, 2002. (Journal)

[75]. J. Sirigos, N. Fakotakis and G. Kokkinakis: A Hybrid Syllable Recognition System Based on Vowel Spotting, Speech Communication Journal, Vol. 35, No 3-4, pp. 427-440, 2002. (Journal)

[76]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Gender - Dependent and Speaker - Dependent Speech Enhancement, ICASSP 2002, IEEE International Conference on Acoustic, Speech and Signal Processing, Vol. 1, pp. 249-252, Orlando, Florida, USA, May 13 -17, 2002. (Conference)

[77]. K.Kermanidis, A. Kousavidi, N. Fakotakis and G. Kokkinakis: Learning Clause Boundaries and Types in Modern Greek Sentences, 2nd Panhellenic Conference on Artificial Intelligence, pp. 79-90, Thessalonica, Greece, April 11-12, 2002. (Conference)

[78]. N. Liolios, N. Fakotakis and G. Kokkinakis: On the Generalization of the Form Identification and Skew Detection Problem, Pattern Recognition Journal, Vol. 35, Issue 1, pp. 253-264, 2002. (Journal)

[79]. E Kavallieratou, N. Fakotakis and G. Kokkinakis: An Unconstrained Handwriting Recognition System, IJDR, International Journal on Document Analysis and Recognition, Vol. 4, No. 4, pp. 226-242, 2002. (Journal)

[80]. M. Maragoudakis, E. Kavallieratou and N. Fakotakis: Improving Handwritten Character Segmetation by Encorporating Bayesian Knowledge with Support Vector Machines , ICASSP 2002, IEEE International Conference on Acoustic, Speech and Signal Processing, Vol. 0, pp. 000-000, Orlando, Florida, USA, May 13 -17, 2002. (Conference)

[81]. K. Georgila , N. Fakotakis , G. Kokkinakis: Large Vocabulary Search Space Reduction Employing Directed Acyclic Word Graphs and Phonological Rules, International Journal of Speech Technology, Kluwer Academic Publishers, Vol. 5, No. 4, pp. 355-370, 2002 (http://www.kluweronline.com/issn/1381-2416). (Journal)

[82]. K. Sgarbas, N. Fakotakis, G. Kokkinakis: Optimal Insertion in Deterministic DAWGs , Theoretical Computer Science, Elsevier, Vol. 0, No. 0, pp. 000-000, 2002. (Accepted for publication). (Journal)

[83]. N Liolios, N. Fakotakis and G. Kokkinakis: Karhunen-Loeve Vs. Discrete Cosine Transform Feature Extraction for Handwritten Character Recognition, Signal Processing and Pattern Recognition, AMSE Periodicals, Vol. 0, Issue 0, pp. 000-000, 2002. (Accepted for publication). (Journal)

[84]. E Kavallieratou, N. Fakotakis and G. Kokkinakis: Skew Angle Estimation for Printed and Handwritten Documents using the Winger-Ville Distribution, Image and Vision Computing Journal, Vol. 0, No. 0, pp. 000-000, 2002. (Accepted for publication). (Journal)

[85]. A. Thanopoulos, N. Fakotakis, G. Kokkinakis: Comparative Evaluation of Collocation Extraction Metrics, LREC 2002, 3rd International Conference on Language Resources and Evaluation, Vol. 2, pp. 620-625, Las Palmas, Spain, May 29-31, 2002. (Conference)

[86]. K. Sgarbas, G. Londos, N. Fakotakis, G. Kokkinakis: The WATCHER Project: Building an Agent for Automatic Extraction of Language Resources from the Internet, Computational Linguistics, special issue in. (Journal)

[87]. K. Sgarbas, N. Fakotakis, G. Kokkinakis: Transformation of DAWGs into Word Lattices, Journal on Artificial Intelligence Tools, World Scientific, Vol. 0, No. 0, pp.000-000, 2002. (under review). (Journal)

[88]. I. Potamitis, N. Fakotakis, N. Liolios: Speech Enhancement based on Combining Perceptual Enhancement and Short-Time Spectral Attenuation, Signal Processing and Pattern Recognition, AMSE Periodicals, Vol. 0, Issue 0, pp. 000-000, 2002. (Accepted for publication). (Journal)

[89]. M. Maragoudakis, A. Thanopoulos, N. Fakotakis: Statistical Decision Making applied to Text and Dialogue Corpora for Effective Plan Recognition , TSD 2002, 5th International Conference on Text, Speech and Dialogue, Brno, Czech Republic, Sept. 9-12, 2002. P. Sojka, et.al. (Editors.): Lecture Notes in Computer Science, LNAI 2448, pp. 365-372, Springer-Verlag, 2002. (Book)

[90]. T. Ganchev, N. Fakotakis, G. Kokkinakis: Text-Independent Speaker Verification Based on Probabilistic Neural Networks , Acoustics 2002, Sept 30th – Oct 1st, 2002, Patras, Greece. pp.159–166. (Conference)

[91]. M. Maragoudakis, N. Tselios, N. Fakotakis and N. Avouris: Improving SMS usability using Bayesian Networks , 2nd Panhellenic Conference on Artificial Intelligence, Thessaloniki Greece, April 11-12, 2002. I.P.Vlahavas and C.D. Spyropoulos (Editors): Lecture notes in Artificial Intelligence, LNAI 2308, pp. 179-190, Springer-Verlag, 2002. (Book)

[92]. T. Ganchev, N. Fakotakis, G. Kokkinakis: A Speaker Verification System Based On Probabilistic Neural Networks , NIST’02, Speaker Recognition Workshop, (proceedings in CD) Vienna, Virginia, USA, May 20-22, 2002. (Conference)

[93]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Speech Enhancement Using Mixtures of Gaussians for Speech and Noise, TSD 2002, 5th International Conference on Text, Speech and Dialogue, Brno, Czech Republic, Sept. 9-12, 2002. P. Sojka, et. al. (Editors.): Lecture Notes in Computer Science, LNAI 2448, pp. 337-340, Springer-Verlag, 2002. (Book)

[94]. M. Maragoudakis, K. Kermanidis, N. Fakotakis, G. Kokkinakis: Combining Bayesian and Support Vector Machines Learning to automatically complete Syntactical Information for HPSG-like Formalisms , LREC 2002, 3rd International Conference on Language Resources and Evaluation, Las Palmas, Vol. 1, pp. 93-100, Spain, May 29-31, 2002. (Conference)

[95]. M. Maragoudakis, E. Kavallieratou, N. Fakotakis: Incorporating Conditional Independence Assumption with Support Vector Machines to enhance Handwritten Character Segmentation Performance , ICPR 2002, 16th International Conference of the International Association of Pattern Recognition, Vol. 0, pp. 000-000, Quebec-Canada, 2002. (Conference)

[96]. T. Ganchev, A. Tsopanoglou, N. Fakotakis, G. Kokkinakis: Probabilistic Neural Networks Combined with GMMs for Speaker Recognition over Telephone Channels , 14th International Conference on Digital Signal Processing (DSP2002), July 1-3, 2002, Santorini, Greece. Volume II, pp.1081–1084. (Conference)

[97]. K.L. Kermanidis, N. Fakotakis and G. Kokkinakis: Delos: An Automatically tagged Economic Corpus for Modern Greek, LREC 2002, 3rd International Conference on Language Resources and Evaluation, Vol. 2, pp. 718-722, Las Palmas, Spain, May 29-31, 2002. (Conference)

[98]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Speech Enhancement Based on Combining Perceptual Enhancement and Short-Time Spectral attenuation, ICSLP 2002, 7th International Conference on Spoken Language Processing, Vol. 3, pp. 1785-1788, Denver-Colorado, USA, Sept. 16-20, 2002. (Conference)

[99]. P. Zervas, I. Potamitis, N. Fakotakis, G. Kokkinakis: On the First Greek-TTS based on Festival Speech Synthesis: Architecture and Components Description, TSD 2002, 5th International Conference on Text, Speech and Dialogue, Brno, Czech Republic, Sept. 9-12, 2002. P. Sojka, et. al. (Editors.): Lecture notes in Artificial Intelligence, LNAI 2448, pp. 261-264, Springer-Verlag, 2002. (Book)

[100]. I. Potamitis, N. Fakotakis and G. Kokkinakis: Minimal Recurrent Neural Nets as Applied to the Problem of Car Noise, EURONOISE 2001, 4th European Conference on Noise Control, Vol. 1, pp. 514-525, Patras, Greece Jan. 14-17, 2001. (Conference)

[101]. I. Potamitis, N. Fakotakis and G. Kokkinakis: Speech Enhancement using the Sparse Code Shrinkage Technique , ICASSP 2001, IEEE International Conference on Acoustic Speech and Signal Processing, Vol. 1, pp. 621-624, Salt Lake City, Utah, May 7-11, 2001. (Conference)

[102]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Bayesian Independent Component Analysis as Applied to One-Channel Speech Enhancement , ICANN 2001, International Conference on Artificial Neural Networks, Vienna, Austria, August 20001. Georg Doffner et.al. (Editors): Lecture Notes in Computer Science series, LNCS 2130, pp. 593-600, Springer-Verlag, 2001. (Book)

[103]. K.L. Kermanidis, M. Maragoudakis, N. Fakotakis and G. Kokkinakis: Influence of Conditional Independence Assumption on Verb Subcategorization Detection , TSD 2001, 4th International Conference on Text, Speech and Dialog, Zelezna Ruda, Czech Republic, Sept. 10-14, 2001. V. Matousek et. al. (Editors): Lecture notes in Artificial Intelligence, LNAI 2166, pp. 62-69, Springer-Verlag, 2001. (Book)

[104]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Bayesian Noise Compensation of Time Trajectories of Spectral Coefficients for Robust Speech Recognition, TSD 2001, 4th International Conference on Text, Speech and Dialog, Zelezna Ruda, Czech Republic, Sept. 10-14, 2001. V. Matousek et. al. (Editors): Lecture notes in Artificial Intelligence, LNAI 2166, pp. 214-221, Springer-Verlag, 2001. (Book)

[105]. N. Fakotakis and K. Sgarbas: Machine Learning in Human Language Technology , ACAI’99. G.Palouras et.al. (Editors): Lecture Notes in Artificial Intelligence, LNAI 2049, pp. 267-273, Springer-Verlag, 2001. (Book)

[106]. N. Liolios, N. Fakotakis and G. Kokkinakis: An Improvement to Document Skew Detection Based on Nearest Neighbour Cluster Extension, Signal Processing and Pattern Recognition, AMSE Periodicals, Vol. 44, No 2, pp. 9-20, 2001. (Journal)

[107]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Robust Automatic Speech Recognition in the Presence of Impulsive Noise , Electronics, Letters, an International Publication, IEE, Vol. 37, No. 12, pp. 799-800, June 2001. (Journal)

[108]. E. Stamatatos, N. Fakotakis, G. Kokkinakis: Automatic Text Categorisation in Terms of Genre and Author , Computational Linguistics, Vol. 26, No. 4, pp. 471-495, 2001. (Journal)

[109]. E. Stamatatos, N. Fakotakis, G. Kokkinakis: Computer-Based Authorship Attribution without Lexical Measures , Computers and the Humanities, Vol. 35, Issue 2, pp.193-214, May 2001. (Journal)

[110]. E. Kavallieratou, Fakotakis N. and G. Kokkinakis: Slant Estimation Algorithm for OCR Systems , Pattern Recognition Journal, Vol. 34, Issue 12, pp. 2515-2522, 2001. (Journal)

[111]. A. Thanopoulos, N. Fakotakis, G. Kokkinakis: Exploiting Rich Contextual Data for Automatic Extraction of Semantic Knowledge, T.A.L, (Traitement automatique des langues) Journal,Vol. 42, No 3, pp. 785-812, 2001. (Journal)

[112]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Speech Recognition Based on Feature Extraction with Variable Rate Frequency Sampling , TSD 2001, 4th International Conference on Text, Speech and Dialog, Zelezna Ruda, Czech Republic, Sept. 10-14, 2001. V. Matousek, et. al. (Editors): Lecture notes in Artificial Intelligence, LNAI 2166, pp. 329-333, Springer-Verlag, 2001. (Book)

[113]. E. Kavallieratou, N. Liolios, E. Koutsogeorgos, N. Fakotakis, G.Kokkinakis: The GRUHD database of Modern Greek Unconstrained Handwriting , ICDAR 2001. Sixth International Conference on Document Analysis and Recognition. September 10-13, 2001. (Conference)

[114]. N. K. Tselios , M. Maragoudakis, I. M. Avouris, N.Fakotakis, I. Kordaki: Automatic diagnosis of student problem solving strategies using Bayesian Networks , 5th Panhellenic Conference in Mathematics and Informatics in Education, Vol. 0, No 0, pp. 000-000, Thessalonica, Oct. 12-14, 2001. (Conference)

[115]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Bayesian factor analysis as applied to speech enhancement, ASME International - Greek Section, First National Conference on Recent Advances in Mechanical Engineering, Patras, Greece, Sept. 17-20, 2001. (Conference)

[116]. D. Louloudis, K. Georgila, A. Tsopanoglou, N. Fakotakis and G. Kokkinakis: Efficient Strategy and Language Modeling in Human-Machine Dialogues , SCI 2001, 5th World Multi-Conference on Systemics, Cybernetics and Informatics, Vol. XIII, pp. 229-234, Orlando, Florida, USA, July 22-25, 2001. (Conference)

[117]. N. Liolios, N.Fakotakis, G.Kokkinakis: Improved Document Skew Detection based on Text Line Connected-Component Clustering, ICIP’01, IEEE International Conference on Image Processing, Vol. 1, pp. 1098-1101, Thessalonica, Greece, Oct. 7-10, 2001. (Conference)

[118]. K. Sgarbas, A Tsopanoglou, N. Fakotakis and G. Kokkinakis: GEMINI: A Platform for Developing Natural Language and Speech Based Interactive Systems, 8th Panhellenic Conference in Information Management, Vol. 2, pp.582-591, Nicosia, Cyprus, Nov. 8-10, 2001. (Conference)

[119]. K. Sgarbas, N. Fakotakis, G. Kokkinakis: The Watcher Project: Overview and Recent Progress, Proc. Seminar/Workshop. (Conference)

[120]. M. Maragoudakis, B.Kladis, A. Tsopanoglou, K. Sgarbas, N. Fakotakis: Natural Language in Dialogue Systems. A Case Study on a Medical Application , PC-HCI 2001, Panhellenic Conference, with International Participation, in Human–Computer Interaction, pp. 197-201, Patras Greece, Dec. 7-9, 2001. (Conference)

[121]. K. Georgila, A. Tsopanoglou, N. Fakotakis, G. Kokkinakis: Improved Large Vocabulary Speech Recognition Using Lexical Rules , Advances in Human–Computer Interaction (PC-HCI), pp. 191-196, Patras Greece, Dec. 7-9, 2001. (Conference)

[122]. M. Maragoudakis, K. Kermanidis, N. Fakotakis, G. Kokkinakis: Learning Automatic Acquisition of Subcategorization Frames using Bayesian Inference and Support Vector Machines, ICDM '01, The 2001 IEEE International Conference on Data Mining, San Jose, pp. 623-625, Nov. 29 – Dec. 2, 2001. (Conference)

[123]. K. Georgila, A. Tsopanoglou, N. Fakotakis, G. Kokkinakis: Refining the N-best Hypotheses’ List in Large Vocabulary Recognition by Applying Lexical Rules, In Proceedings of the International Workshop on Speech and Computers, pp. 97-102, Moscow, Russia, Oct. 29-31, 2001. (Conference)

[124]. I. Potamitis, N. Fakotakis and G. Kokkinakis: Independent Component Analysis Applied to Speech Denoising, EURONOISE 2001, 4th European Conference on Noise Control, Vol. 1, pp. 466-478, Patras, Greece Jan. 14-17, 2001. (Conference)

[125]. K. Georgila, N. Fakotakis, G. Kokkinakis: Variable History Stochastic Networks for Language Modelling in Dialogue Systems, In Proceedings of the International Workshop on Speech and Computers, pp. 182-187, Moscow, Russia, Oct. 29-31, 2001. (Conference)

[126]. M. Maragoudakis, B. Kladis, A.Tsopanoglou, K. Sgarbas, N. Fakotakis: Human-Computer Interaction using Natural Language. An Application in the Medical Treatment Domain , ΚΤΗΣΙΒΙΟΣ: Πανελλήνιο Συνέδριο Αυτοματισμού, Ρομποτικής και Βιομηχανικής Παραγωγής. (Conference)

[127]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Car-noise compensation using neural networks, ASME International - Greek Section, First National Conference on Recent Advances in Mechanical Engineering, Patras, Greece, Sept. 17-20, 2001. (Conference)

[128]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Impulsive noise suppression in the context of automatic speech recognition, ASME International - Greek Section, First National Conference on Recent Advances in Mechanical Engineering, Patras, Greece, Sept. 17-20, 2001. (Conference)

[129]. K. Georgila, N. Fakotakis and G. Kokkinakis: Efficient Stochastic Finite-State Networks for Language Modelling in Spoken Dialogue Systems , EUROSPEECH 2001, 7th European Conference on Speech Communication and Technology, Vol. I, pp. 247-250, Aalborg, Denmark, Sept. 3-7, 2001. (Conference)

[130]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Map Estimation for On-line Noise Compensation of Time Trajectories of Spectral Coefficients , EUROSPEECH 2001, 7th European Conference on Speech Communication and Technology, Vol. III, pp. 1899-1902, Aalborg, Denmark, Sept. 3-7, 2001. (Conference)

[131]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Autoregressive Time-Frequency Interpolation in the Context of Missing Data Theory for Impulsive Noise Compensation , EUROSPEECH 2001, 7th European Conference on Speech Communication and Technology, Vol. IV, pp. 1275-2478, Aalborg, Denmark, Sept. 3-7, 2001. (Conference)

[132]. D. Louloudis, A. Tsopanoglou N. Fakotakis, G. Kokkinakis: Mathematical Modeling of Spoken Human-Machine Dialogues Including Erroneous Confirmations, EUROSPEECH 2001, 7th European Conference on Speech Communication and Technology, Vol. IV, pp. 2329-2332, Aalborg, Denmark, Sept. 3-7, 2001. (Conference)

[133]. E. Kavallieratou, N. Liolios, E. Koutsogeorgos, N. Fakotakis, G. Kokkinakis: The GRUHD Database of Greek Unconstrained Handwriting , IAPR, ICDAR’01, 6th International Conference on Document Analysis and Recognition, pp. 561-565, Seattle, Washington, USA, Sept. 10-13, 2001. (Conference)

[134]. M. Maragoudakis, E. Kavallieratou, N. Fakotakis and G. Kokkinakis: How Conditional Independence Assumption affects Handwritten Character Segmentation , IAPR, ICDAR’01, 6th International Conference on Document Analysis and Recognition, pp. 246-250, Seattle, Washington, U.S.A, Sept. 10-13, 2001. (Conference)

[135]. K. Sgarbas, N. Fakotakis and G. Kokkinakis: Incremental Construction of Compact Acyclic NFA’s , ACL ’01, Association for Computational Linguistics, 39th Annual Meeting, pp. 474-481, Toulouse, Frances, July 9-11, 2001. (Conference)

[136]. E. Kopanaki, V. Karkaletsis, C. Spyropoulos, N. Avradinis, N. Fakotakis, T. Kalamboukis, B. Kladis, Y. Lazarou, T. Panayiotopoulos and D. Spinellis: MITOS: An Integrated Web- based System for Information Management, 8th Panhellenic Conference in Informatics Management, Vol. 2, pp.328-337, Nicosia, Cyprus, Nov. 8-10, 2001. (Conference)

[137]. E. Kavallieratou, M. F. Popa, D. C.Balcan, N. Fakotakis: Handwritten Text Localization in Skewed Documents , ICIP’01, IEEE International Conference on Image Processing, Vol. 1, pp. 1102-1105, Thessalonica, Greece, Oct. 7-10, 2001. (Conference)

[138]. E. Stamatatos, N. Fakotakis, G. Kokkinakis: Text Genre Detection Using Common Word Frequencies , COLING 2000, 18th International Conference on Computational Linguistics, Vol. 2, pp. 808-814, Luxembourg, July 31-Aug. 4, 2000. (Conference)

[139]. E. Kavallieratou, N. Fakotakis and G. Kokkinakis: A Slant Removal Algorithm , Pattern Recognition Journal, Vol. 33, Issue 7, pp. 1261-1262, 2000. (Journal)

[140]. I. Potamitis, N. Fakotakis and G. Kokkinakis: Independent Component Analysis Applied to Feature Extraction for Robust Automatic Speech Recognition , Electronics, Letters, an International Publication, IEE, Vol. 36, No. 23, pp. 1977-1978, Nov. 2000. (Journal)

[141]. K. Kermanidis, K. Sgarbas, N. Fakotakis and G. Kokkinakis: A PC-PATR-based Syntactical Description of Modern Greek , Literary and Linguistic Computing, Vol. 5, Issue 3, pp. 291-312, 2000. (Journal)

[142]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Impulsive Noise Removal using Neural Networks , ICASSP 2000, IEEE International Conference on Acoustic, Speech and Signal Processing, Vol. 3, pp. 1871-1874, Istanbul, Turkey, May 5-9, 2000. (Conference)

[143]. K. Georgila, N. Fakotakis and G. Kokkinakis: A Graphical Parametric Language-Independent Tool for the Annotation or Speech Corpora , LREC 2000, 2nd International Conference on Language Resources and Evaluation, Vol. 3, pp. 1537-1542, Athens, Greece, May 31-June 2, 2000. (Conference)

[144]. E. Kavallieratou, N. Liolios, E. Koutsogeorgos, N. Fakotakis and G. Kokkinakis: GRUHD: A Greek Database or Unconstrained Handwriting, LREC 2000, 2nd International Conference on Language Resources and Evaluation, Vol. 3, pp. 1755-1759, Athens, Greece, May 31- June 2, 2000. (Conference)

[145]. E. Stamatatos, N. Fakotakis, G. Kokkinakis: A Practical Chunker for Unrestricted Text , NLP 2000, 2nd International Conference on Natural Language Processing. (Book)

[146]. K. Kermanidis, N. Fakotakis, G. Kokkinakis: ΑΝΑΛΥΣΗ ΤΩΝ ΟΝΟΜΑΤΙΚΩΝ ΦΡΑΣΕΩΝ ΤΗΣ ΝΕΑΣ ΕΛΛΗΝΙΚΗΣ ΜΕ ΧΡΗΣΗ ΤΟΥ ΦΟΡΜΑΛΙΣΜΟΥ HPSG ΚΑΙ ΥΛΟΠΟΙΗΣΗ ΣΤΟ ΠΕΡΙΒΑΛΛΟΝ ΑΝΑΠΤΥΞΗΣ ALE , Μελέτες για την Ελληνική Γλώσσα, Πρακτικά της 21ης Ετήσιας Συνάντησης Εργασίας του Τομέα Γλωσσολογίας της Φιλοσοφικής Σχολής του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης, σελ. 283-294, 12-14 Μαίου 2000. (Conference)

[147]. A. Thanopoulos, N. Fakotakis, G.Kokkinakis: Automatic Extraction of Semantic Relation from Specialized Corpora , Proceedings of COLING2000, pp. 836-842, 2000. (Conference)

[148]. A. Thanopoulos, N. Fakotakis, G.Kokkinakis: Automatic Extraction of Semantics Similarity of Words from Raw Technical Texts , Proceedings of LREC 2000, Athens, 31 May - 2 June 2000. (Conference)

[149]. K. L. Kermanidis, N. Fakotakis, G. Kokkinakis: Analysis and Implementation of Modern Greek Noun Phrases in ALE Grammar Development Environment, Using HPSG Formalism, 21st Annual Workshop Studies in Greek Linguistics, pp. 283-294, Thessalonica, Greece, May 12-14, 2000. (Conference)

[150]. E. Kavallieratou, E. Stamatatos, N. Fakotakis and G. Kokkinakis: Handwritten Character Segmentation Using Transformation-based Learning , ICPR 2000, 15th International Conference on Pattern Recognition, Vol. 2, pp. 634-637, Barcelona, Spain, Sept. 3-8, 2000. (Conference)

[151]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Reliable ASR based on Unreliable Features , ASR 2000, Automatic Speech Recognition: Challenges for the New Millennium, Vol.1, pp. 53-57, Paris, France, Sept. 18-20, 2000. (Conference)

[152]. K. Sgarbas, N. Fakotakis and G. Kokkinakis: A Straightforward Approach to Morphological Analysis and Synthesis , COMLEX 2000, Workshop on Computational Lexicography and Multimedia Dictionaries, pp. 31-34, Patras, Greece, Sept. 22-23, 2000. (Conference)

[153]. K. Georgila, K. Sgarbas, N. Fakotakis, G. Kokkinakis: Fast Very Large Vocabulary Recognition Based on Compact DAWG-Structured Language Models , ICSLP 2000, 6th International Conference on Spoken Language Processing, Vol. II, pp. 987-990, Beijing, China, Oct. 16-20, 2000. (Conference)

[154]. K. Georgila, N. Fakotakis, G. Kokkinakis: Building Stochastic Language Model Networks Based on Simultaneous Word/Phrase Clustering , ICSLP 2000, 6th International Conference on Spoken Language Processing, Vol. I, pp. 122-125, Beijing, China, Oct. 16-20, 2000. (Conference)

[155]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Spectral and Cepstral Projection Bases Constructed by Independent Component Analysis , ICSLP 2000, 6th International Conference on Spoken Language Processing, Vol. III, pp. 63-66, Beijing, China, Oct. 16-20, 2000. (Conference)

[156]. I. Potamitis, N. Fakotakis, G. Kokkinakis: Improving the Robustness of Noisy MFCC Features Using Minimal Recurrent Neural Networks, IJCNN 2000, the IEEE-INNS-ENNS International Joint Conference on Neural Networks, Vol. 1, pp. 271-278, Como, Italy, July 24-27, 2000. (Conference)

[157]. S. Michos, S. Stamatatos and N. Fakotakis: Supporting Multilinguality to Library Automation Systems through AI Tools , AAI’99, International Journal on Applied Artificial Intelligence, Vol. 13, pp. 679-703, 1999. (Journal)

[158]. E. Kavallieratou, N. Fakotakis and G. Kokkinakis: New Algorithms for Skewing Correction and Slant Removal on Word-Level , ICECS '99, 6th IEEE International Conference on Electronics, Circuits and Systems, Vol. 2, pp. 1159-1162, Pafos, Cyprus, Sept. 5-8, 1999. (Conference)

[159]. S. Michos, N. Fakotakis and G. Kokkinakis: Using Functional Style Features to Enhance Information Extraction from Greek Texts, Advances in Intelligent Systems: Concepts, Tools and Applications, Ch. 13, pp. 143-154, Kluwer, 1999. (Book)

[160]. N. Fakotakis, J. Sirigos and G. Kokkinakis: High Performance Text-Independent Speaker Recognition System Based on Voiced/Unvoiced Segmentation and Multiple Neural Nets, EUROSPEECH '99, 6th European Conference on Speech Communication and Technology, Vol. 2, pp. 979-982, Budapest, Hungary, Sept. 5-10, 1999. (Conference)

[161]. E. Kavallieratou, N. Fakotakis and G. Kokkinakis: Skew Angle Estimation in Document Processing using Cohen’s Class Distributions , Pattern Recognition Letters, Vol. 20, Issue 11, pp. 1305-1311, Nov. 1999. (Journal)

[162]. S. Stamatatos, N. Fakotakis and G. Kokkinakis: Automatic Authorship Attribution , EACL'99, 9th Conference of the European Chapter of the Association for Computational Linguistics. (Conference)

[163]. E. Stamatatos, N. Fakotakis, G. Kokkinakis: Automatic Extraction of Rules for Sentence Boundary Disambiguation , Workshop on Machine Learning in Human Language Technology, pp. 88-92, Chania, Greece, July 7-8, 1999. (Conference)

[164]. J. Sirigos, N. Fakotakis and G. Kokkinakis: A Hybrid ANN/HMM Syllable Recognition Module Based on Vowel Spotting, EUROSPEECH '99, 6th European Conference on Speech Communication and Technology, Vol. 3, pp. 1119-1122, Budapest, Hungary, Sept. 5-10, 1999. (Conference)

[165]. S. Michos, N. Fakotakis and G. Kokkinakis: Enhancing Text Retrieval by Using Advanced Stylistic Techniques, International Journal of Intelligent and Robotics Systems, Vol.26, No. 2, pp.136-148, Oct.1999. (Journal)

[166]. J. Sirigos, N. Fakotakis and G. Kokkinakis: Improving Environment Robustness of Speech Recognition Systems, Workshop on Robust Methods for Speech Recognition in Adverse Conditions, pp. 211-214, Tampere, Finland, May 25-26, 1999. (Conference)

[167]. N. Liolios, N. Fakotakis and G. Kokkinakis: Form Identification and Skew Detection from Projections, EUSIPCO'98, 9th European Signal Processing Conference, Vol. 2, pp. 605-612, Rhodes, Greece, Sept. 8-11, 1998. (Conference)

[168]. K. Sgarbas, N. Fakotakis and G. Kokkinakis: Morphological Description of Modern Greek Language with the two-level Model , 19th Annual Workshop, Studies in Greek Linguistics, pp. 419-433, Thessalonica, Greece, April, 1998. (Conference)

[169]. P. Retzepopoulos, E. Dermatas, K. Sgarbas, N. Fakotakis and G. Kokkinakis: Automatic Phoneme to Grapheme conversion of Modern Greek Language , 19th Annual Workshop, Studies in Greek Linguistics, pp. 404-418, Thessalonica, Greece, April, 1998. (Conference)

[170]. K. Sgarbas, N. Fakotakis, G.Kokkinakis: Watcher: An Intelligent Agent for Automatic Extraction of Language Resources from the Internet , Procceedinds of "ELSNET in Wonderland". The Netherlands, March 25-27, 1998. pp.100-104. (Conference)

[171]. J. Sirigos, N. Fakotakis and G. Kokkinakis: A High Performance Vowel Spotting System Based on a Multi-Stage Architecture, EUSIPCO'98, 9th European Signal Processing Conference, Vol. 2, pp. 1173-1176, Rhodes, Greece, Sept. 8-11, 1998. (Conference)

[172]. K. Georgila, A. Tsopanoglou, N. Fakotakis and G. Kokkinakis: A Dialogue System for Telephone-based Services Integrating Spoken and Written Language , IVTTA'98, 4th IEEE Workshop on Interactive Voice Technology for Telecommunications Applications, pp. 55-59, Turin, Sept. 29-30, 1998. (Conference)

[173]. K. Georgila, A. Tsopanoglou, N. Fakotakis and G. Kokkinakis: An Integrated Dialogue System for the Automation of Call Center Services , ICSLP'98, 5th International Conference on Spoken Language Processing, Vol. 2, pp. 45-48, Sydney, Australia, Nov. 30- Dec. 4, 1998. (Conference)

[174]. K. Sgarbas, N. Fakotakis and G. Kokkinakis: A PC-KIMO Based Bi-Directional Grapheme/Phoneme Converter for Modern Greek , Literary and Linguistic Computing Journal, Vol. 13, No. 2, pp. 65-75, 1998. (Journal)

[175]. K. Sgarbas, N. Fakotakis and G. Kokkinakis: TEMPO: A Temporal Sub-Parser for Modern Greek, International Journal of Artificial Intelligence Tools, Vol. 7, No. 1, pp. 103-120, 1998. (Journal)

[176]. K. Sgarbas, S. Michos, N. Fakotakis, G.Kokkinakis: Η Έρευνα στο Εργαστήριο Ενσύρματης Τηλεπικοινωνίας σε Θέματα Επεξεργασίας Φυσικής Γλώσσας , Πρακτικά Συμποσίου της Ελληνικής Εταιρίας Τεχνητής Νοημοσύνης (ΣΕΤΝ 96), Πανεπιστήμιο Πειραιώς, ISBN 960-86269-0-0. 1998, σελ. 24-27. (Conference)

[177]. A. Tsopanoglou and N. Fakotakis: Selection of the Most Effective Sets of Subword Units for an HMM-Based Speech Recognition System, EUROSPEECH'97, 5th European Conference on Speech Communication and Technology, Vol. 3, pp. 1231-1234, Rhodes, Greece, Sept. 22-25, 1997. (Conference)

[178]. S. Michos, N. Fakotakis and G. Kokkinakis: Towards an Adaptive Natural Language Interface to Command Languages, Journal on Natural Language Engineering, 2 (3), pp. 191-209, Cambridge University Press, 1997. (Journal)

[179]. S. Stamatatos, S. Michos, N. Fakotakis and G. Kokkinakis: A User-Assisted Business Letter Generator Dealing With Text's Stylistic Variations , ICTAI'97, Proc. of the 9th IEEE International Conference on Tools With Artificial Intelligence pp. 182-189, Newport Beach, California, USA, Nov. 4-7, 1997. (Conference)

[180]. D. Tambakas, I. Tzima, N. Fakotakis and G. Kokkinakis: A Simple Phoneme Energy Model for the Greek Language and Its Applications To Speech Recognition, EUROSPEECH'97, 5th European Conference on Speech Communication and Technology, Vol. 1, pp. 513-516, Rhodes, Greece, Sept. 22-25, 1997. (Conference)

[181]. Chatzi, N. Fakotakis and G. Kokkinakis: Greek Speech Database for Creation of Voice Driven Teleservices, EUROSPEECH'97, 5th European Conference on Speech Communication and Technology, Vol. 4, pp. 1755-1758, Rhodes, Greece, Sept. 22-25, 1997. (Conference)

[182]. N. Fakotakis, K. Georgila, and A. Tsopanoglou: A Continuous HMM Text-Independent Speaker Recognition System Based on Vowel Spotting , EUROSPEECH'97, 5th European Conference on Speech Communication and Technology, Vol. 5, pp. 2347-2350, Rhodes, Greece, Sept. 22-25, 1997. (Conference)

[183]. S. Stamatatos, S. Michos, K. Patelodimou and N. Fakotakis: TRANSLIB: an Advanced Tool for Supporting Multilingual Access, MULSAIC'97, 2nd Workshop on. (Conference)

[184]. E. Kavallieratou, H. Antoniades, N. Fakotakis and G. Kokkinakis: Extraction and Recognition of Handwritten Alphanumeric Characters from Application Forms , DSP’97, 13th International Conference on Digital Signal Processing, Vol. 2, pp. 695-698, Santorini, Greece, July 2-4, 1997. (Conference)

[185]. J. Sirigos, N. Fakotakis and G. Kokkinakis: Improving Environmental Robustness of Speech Recognition Using Neural Networks, DSP’97, 13th International Conference on Digital Signal Processing, Vol. 2, pp. 575-578, Santorini, Greece, July 2-4, 1997. (Conference)

[186]. A. Thanopoulos, N. Fakotakis and G. Kokkinakis: Linguistic Processor for a Spoken Dialogue System Based on Island Parsing Techniques , EUROSPEECH'97, 5th European Conference on Speech Communication and Technology, Vol. 4, pp. 2259-2262, Rhodes, Greece, Sept. 22-25, 1997. (Conference)

[187]. D. Valkaniotis, J. Sirigos, N. Fakotakis and G. Kokkinakis: Text-Independent Off-Line Writer Recognition Using Neural Networks, EUSIPCO’96, VIII European Signal Processing Conference, Psr-6, pp. 816-841, Trieste, Italy, Sept. 1-13, 1996. (Conference)

[188]. N. Fakotakis and J. Sirigos: A High Performance Text-Independent Speaker Recognition System Based on Vowel Spotting and Neural Net, ICASSP’96, IEEE International Conference on Acoustic Speech and Signal Processing, pp. II. 661-II. 664, Atlanta, USA, May 7-10, 1996. (Conference)

[189]. J. Sirigos, V. Darsinos, N. Fakotakis and G. Kokkinakis: Vowel-Non Vowel Classification of Speech Using an MLP and Rules, EUSIPCO’96, VIII European Signal Processing Conference, Sqs-9, pp. 532-535, Trieste, Italy, Sept. 10-13, 1996. (Conference)

[190]. J. Sirigos, V. Darsinos, N. Fakotakis and G. Kokkinakis: Vowel - Non Vowel Decision Using Neural Networks and Rules, ICECS'96, 3rd IEEE International Conference on Electonics, Circuits and Systems, pp. 510-513, Rodos, Greece, Oct. 13-16, 1996. (Conference)

[191]. D. Valkaniotis, J. Sirigos, N. Antoniadis and N. Fakotakis: Text-Independent Writer Recognition Using MLP’s, ICECS'96, 3rd IEEE International Conference on Electronics, Circuits and Systems, pp. 692-695, Rodos, Greece, Oct. 13-16, 1996. (Conference)

[192]. S. Michos, E. Stamatatos, N. Fakotakis and G. Kokkinakis: An Empirical Text Categorizing Computational Model Based on Stylistic Aspects , TAI'96, 8th IEEE International Conference on Tools With Artificial Intelligence, pp. 71-77, Toulouse, France, Nov. 16-19, 1996. (Conference)

[193]. S. Michos, E. Stamatatos, N. Fakotakis and G. Kokkinakis: Categorizing Texts By Using a Three Level Functional Style Description , in A. M. Rasmsay (Editor): Artificial Intelligence: Methodology Systems, Applications, Frontiers in Artificial Intelligence and Applications, Vol. 35, pp. 191-198, 105 Press, 1996. (Book)

[194]. S. Michos, E. Stamatatos, N. Fakotakis and G. Kokkinakis: Identification for Functional Style in Unrestricted Texts Based on a Three-Level Stylistic Description, AIsb Ledar Workshop, as part of the AISB 1996 Conference, pp. 81-88, Sussex, U.K., April 2-4, 1996. (Conference)

[195]. K. Sgarbas, N. Fakotakis and G. Kokkinakis: Two Algorithms for Incremental Construction of Directed Acyclic Word Graphs , International Journal of Artificial Intelligence Tools, Vol. 4, No 3, pp. 369-381, 1995. (Journal)

[196]. S. Michos, N. Fakotakis and G. Kokkinakis: A Novel and Efficient Method for Parsing Unrestricted Texts of Quasi Free Word Order Languages, International Journal on Artificial Intelligence Tools, Vol. 4, No 3, pp. 301-321, 1995. (Journal)

[197]. K. Sgarbas, N. Fakotakis and G. Kokkinakis: A PC-Kimmo, Based Morphological Description of Modern Greek , Literary and Linguistic Computing Journal, Vol. 10, No 3, pp. 10-23, 1995. (Journal)

[198]. K. Sgarbas, N. Fakotakis and G. Kokkinakis: Genetically Evolved Strategies. Winning by selective processing of the Chromosome pool , IEEE Potentials Magazine, Vol. 14, No. 1, pp. 36-40, Feb./March, 1995. (Journal)

[199]. S. Michos, G. D. Magoulas and N. Fakotakis: A Hybrid Knowledge Representation Model in a Natural Language Interface To MS-DOS, TAI’95, 7th IEEE International Conference on Tools With Artificial Intelligence, pp. 480-483, Herndon Virginia, Nov. 5-8, 1995. (Conference)

[200]. J. Sirigos, N. Fakotakis and G. Kokkinakis: A Comparison of Several Speech Parameters for Speaker Independent Speech Recognition and Speaker Recognition, EUROSPEECH'95, 4th European Conference of Speech Communication and Technology Madrid, Spain, pp. 1407-1410, Sept. 18-21, 1995. (Conference)

[201]. D. Tambakas, N. Fakotakis and G. Kokkinakis: Robust Phoneme Prototype Extraction for Speech Recognition, EUROSPEECH'95, 4th European Conference of Speech Communication and Technology Madrid, Spain, pp. 927-930, Sept. 18-21, 1995. (Conference)

[202]. S. Michos, N. Fakotakis and G. Kokkinakis: A Novel Method for Parsing Complex Sentences in Syntactically Free Languages, 6th IEEE International Conference on Tools With Artificial Intelligence, pp. 253-259, New Orleans Louisiana, Nov. 6-9, 1994. (Conference)

[203]. S. Michos and N. Fakotakis: FRIENDOS: a Self-Extending Natural Language Interface to MS-DOS Operating System, AI’94, 14th International Avignon Conference, pp. 13-22, Paris, May 30-June 3, 1994. (Conference)

[204]. K. Sgarbas, N. Fakotakis and G. Kokkinakis: A Flexible Modular Semantic Parser for the Greek Language, Technika Chronika, Scientific Journal of the Technical Chamber of Greece 1993, Vol. 13, No. 4, pp. 65-75, Dec. 1993. (Journal)

[205]. D. Tambakas, G. Epitropakis, N. Fakotakis and G. Kokkinakis: A Voice Interactive Educational System, Joint ESCA-NATO/Rsg 10 Tutorial and Research Workshop, on Applications of Speech Technology, pp. 187-190, Bavaria, Germany, Sept. 16-17, 1993. (Conference)

[206]. G. Epitopakis, N. Yiourgalis, P. Pierros, K. Kesentes, N. Fakotakis and G. Kokkinakis: An Improved Greek Leading Machine for Visually Impaired Persons, Speech and Language Technology for Disabled Persons, Proceedings of an ESCA Workshop, Stockholm, Sweden, pp. 199-202, May 31-June 2, 1993. (Conference)

[207]. N. Fakotakis, E. Tsopanoglou and G. Kokkinakis: A Text-Independent Speaker Recognition System Based on Vowel Spotting, Speech Communication Journal, Vol. 12, No. 1, pp. 57-68, March 1993. (Journal)

[208]. G. Epitropakis, D. Tambakas, N. Fakotakis and G. Kokkinakis: Duration Modelling for the Greek Language, EUROSPEECH'93, 3rd European Conference on Speech Communications and Technology, pp. 1995-1998, Berlin, Germany, Sept. 21-23, 1993. (Conference)

[209]. S. Michos, N. Fakotakis and G. Kokkinakis: Flexible Script-Handling Techniques for Natural Language Understanding Systems, TAI’93, 5th IEEE International Conference on Tools With Artificial Intelligence, Boston, Massachusetts, pp. 486-487, Nov. 8-11, 1993. (Conference)

[210]. K. Lambropoulou and N. Fakotakis: A Telephone Banking System Based on HMM Keyword Recognition, EUROSPEECH'93, 3rd European Conference on Speech Communications and Technology, pp. 1875-1878, Berlin, Germany, Sept. 21-23, 1993. (Conference)

[211]. K. Sgarbas, N. Fakotakis and G. Kokkinakis: A Modular Morphological Analysis Model for an Inflectionally Rich Language, AVIGNON'92, 12th International Conference on Artificial Intelligence, Expert Systems and Natural Language Processing and its Application, Vol. 3, pp. 248-256, Avignon, France, June 1-6, 1992. (Conference)

[212]. N. Fakotakis, E. Tsopanoglou and G. Kokkinakis: Speaker Verification over Telephone Lines Based on Digit Strings, EUSIPCO’92, 6th European Signal Processing Conference, pp. 399-402, Brussels, Aug. 25-28, 1992. (Conference)

[213]. N. Fakotakis, E. Tsopanoglou and G. Kokkinakis: Text Independent Speaker Recognition Based on Vowel Spotting, IEE 6th International Conference, Processing of Signals in Communications, pp. 272-277, Loughborough, Sept. 2-5, 1991. (Conference)

[214]. J. Mourjopoulos, A. Tsopanoglou and N. Fakotakis: A Vector Quantization Approach for Room Transfer Function Classification, ICASSP’91, IEEE International Conference on Acoustics, Speech, Signal Processing, pp. 3593-3596, Toronto, May 14-17, 1991. (Conference)

[215]. E. Dermatas, N. Fakotakis and G. Kokkinakis: Fast Endpoint Detection Algorithm for Isolated Word Recognition in Office Environment, ICASSP’91, IEEE International Conference on Acoustics, Speech, Signal Processing, pp. 733-736, Toronto, May 14-17, 1991. (Conference)

[216]. N. Fakotakis, A. Tsopanoglou and G. Kokkinakis: Text Independent Speaker Recognition Based on Vowel Labeling, DSP’91, International Conference on Digital Signal Processing, pp. 447-452, Florence, Sept. 4-6, 1991. (Conference)

[217]. K. Sgarbas, N. Fakotakis and G. Kokkinakis: A Temporal Analyzer for Unrestricted Text, RIAO’91, Conference on Intelligent Text and Image Handling, Vol. 2, pp. 764-773, Barcelona, Spain, April 2-5, 1991. (Conference)

[218]. E. Dermatas, N. Fakotakis and G. Kokkinakis: Improved Speaker Independent Isolated Word Recognition System for Small Vocabularies, EUROSPEECH'89, European Conference on Speech Communication and Technology, pp. 86-90, Paris, Sept. 26-28, 1989. (Conference)

[219]. E. Dermatas, N. Fakotakis and G. Kokkinakis: An Algorithm for Improved Codebook Design Vector Quantizer, EUSIPCO’88, European Signal Processing Conference, pp. 1007-1010, Grenoble, Sept. 5-8, 1988. (Conference)

[220]. N. Fakotakis, E. Dermatas and G. Kokkinakis: Optimum Reference Construction and Updating for Speaker Recognition System, EUROSPEECH'87, European Conference on Speech Technology, pp. 460-464, Edinburgh, Sept. 2-4, 1987. (Conference)

[221]. E. Dermatas, N. Fakotakis and G. Kokkinakis: A New Algorithm for Optimum Reference Templates Creation in Speech Recognition Systems, DSP'87, International Conference on Digital Signal Processing, pp. 529-533, Florence, Sept. 7-10, 1987. (Conference)

[222]. E. Dermatas, N. Fakotakis and G. Kokkinakis: Improved Reference Pattern Establishment for Speech Recognition, AFCET, IASTED, International Symposium: Identification and Pattern Recognition, Vol. 2, pp. 819-834, Toulouse, Jun. 18-20, 1986. (Conference)

[223]. N. Fakotakis, E. Dermatas and G. Kokkinakis: Optimal Decision Thresholds for Speaker Verification, EUSIPCO'86, Third European Signal Processing Conference, Vol. 1, pp. 585-588, Hague, Sept. 2-5, 1986. (Conference)

[224]. N. Fakotakis and G. Kokkinakis: Automatic Speaker Recognition Based on a Small Number of Specially Selected Formant Values, MELECON'85, Mediterranean Electrotechnical Conference, Vol. 2, pp. 657-660, Madrid, Oct. 8-10, 1985. (Conference)

[225]. N. Fakotakis and G. Kokkinakis: Feature Extraction from Formant Trajectories for Speaker Identification Purposes, IASTED International Symposium, MECO'83, Vol. 1, pp. 270-274, Athens, Aug. 29-Sept. 2, 1983. (Conference)