NTUA/SLP group - Publications

Full List

2019

T. Giannakopoulos, S. Dimopoulos, G. Pantazopoulos, A. Chatziagapi, D. Sgouropoulos, A. Katsamanis, A. Potamianos, and S. Narayanan, " Using oliver API for emotion-aware movie content characterization ," in Proc. International Conference on Content-Based Multimedia Indexing (CBMI) , Dublin, Ireland, pp. 1-4, Sept. 2019.
A. Chatziagapi, G. Paraskevopoulos, D. Sgouropoulos, G. Pantazopoulos, M. Nikandrou, T. Giannakopoulos, A. Katsamanis, A. Potamianos, and S. Narayanan, " Data augmentation using GANs for speech emotion recognition ," in Proc. Interspeech , Graz, Austria, pp. 171-175, Sept. 2019.
E. Georgiou, C. Papaioannou, and A. Potamianos, " Deep hierarchical fusion with application in sentiment analysis ," in Proc. Interspeech , Graz, Austria, pp. 1646-1650, Sept. 2019.
G. Paraskevopoulos, E. Tzinis, N. Ellinas, T. Giannakopoulos, and A. Potamianos, " Unsupervised low-rank representations for speech emotion recognition ," in Proc. Interspeech , Graz, Austria, pp. 939-943, Sept. 2019.
K. Margatina, C. Baziotis, and A. Potamianos, " Attention-based conditioning methods for external knowledge integration ," in Proc. of the 57th Annual Meeting of the Association for Computational Linguistics , Florence, Italy, pp. 3944-3951, July 2019.
C. Baziotis, I. Androutsopoulos, I. Konstas, and A. Potamianos, " Seq^3: Differentiable sequence-to-sequence-to-sequence autoencoder for unsupervised abstractive sentence compression ," in Proc. Conf. of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Vol. 1 (Long and Short Papers) , Minneapolis, MN, pp. 673-681, June 2019.
E. Briakou, N. Athanasiou, and A. Potamianos, " Cross-topic distributional semantic representations via unsupervised mappings ," in Proc. Conf. of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Vol. 1 (Long and Short Papers) , (Minneapolis, MN), pp. 1052-1061, June 2019.
A. Chronopoulou, C. Baziotis, and A. Potamianos, " An embarrassingly simple approach for transfer learning from pretrained language models ," in Proc. Conf. of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Vol. 1 (Long and Short Papers) , Minneapolis, MN, pp. 2089-2095, June 2019.

2018

G. Paraskevopoulos, E. Tzinis, E.-V. Vlatakis-Gkaragkounis, and A. Potamianos, " Pattern search MDS ," arXiv preprint arXiv:1806.00416 , Mar. 2018.
A. Fergadis, C. Baziotis, D. Pappas, H. Papageorgiou, and A. Potamianos, " Hierarchical bi-directional attention-based RNNs for supporting document classification on protein-protein interactions affected by genetic mutations ," Database , vol. 2018-1, pp. 1-10, Jan. 2018.
E. Iosif, I. Klasinas, G. Athanasopoulou, E. Palogiannidi, S. Georgiladakis, K. Louka, and A. Potamianos, " Speech understanding for spoken dialogue systems: From corpus harvesting to grammar rule induction ," Computer Speech and Language , vol. 47, pp. 272-297, Jan. 2018.
E. Tzinis, G. Paraskevopoulos, C. Baziotis, and A. Potamianos, " Integrating recurrence dynamics for speech emotion recognition ," in Proc. Interspeech , Hyderabad, India, pp. 927-931, Sept. 2018.
N. Athanasiou, E. Iosif, and A. Potamianos, " Neural activation semantic models: Computational lexical semantic models of localized neural activations ," in Proc. Intl. Conf. on Computational Linguistics , Santa Fe, New Mexico, pp. 2867-2878, Aug. 2018.
A. Chronopoulou, A. Margatina, C. Baziotis, and A. Potamianos, " NTUA-SLP at IEST 2018: Ensemble of neural transfer methods for implicit emotion classification ," in Proc. Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis , Brussels, Belgium, July 2018.
C. Baziotis, N. Athanasiou, A. Chronopoulou, A. Kolovou, G. Paraskevopoulos, N. Ellinas, S. Narayanan, and A. Potamianos, " NTUA-SLP at SemEval-2018 Task 1: Predicting affective content in tweets with deep attentive rnns and transfer learning ," in Proc. Intl. Workshop on Semantic Evaluation , New Orleans, Louisiana, pp. 245-–255, June 2018.
C. Baziotis, N. Athanasiou, G. Paraskevopoulos, N. Ellinas, A. Kolovou, and A. Potamianos, " NTUA-SLP at SemEval-2018 Task 2: Predicting emojis using RNNs with context-aware attention ," in Proc. Intl. Workshop on Semantic Evaluation , New Orleans, Louisiana, pp. 438-444, June 2018.
C. Baziotis, N. Athanasiou, P. Papalampidi, A. Kolovou, G. Paraskevopoulos, N. Ellinas, and A. Potamianos, " NTUA-SLP at SemEval-2018 Task 3: Tracking ironic tweets using ensembles of word and character level attentive RNNs ," in Proc. Intl. Workshop on Semantic Evaluation , (New Orleans, Louisiana), pp. 613-621, June 2018.
F. Christopoulou, E. Briakou, E. Iosif, and A. Potamianos, " Mixture of topic-based distributional semantic and affective models ," in Proc. IEEE Intl. Conf. on Semantic Computing , Laguna Hills, CA, pp. 203-210, Jan. 2018.

2017

A. Zlatintsi, P. Koutras, G. Evangelopoulos, N. Malandrakis, N. Efthymiou, K. Pastra, A. Potamianos, and P. Maragos, " COGNIMUSE: a multimodal video database annotated with saliency, events, semantics and emotion with application to summarization ," EURASIP Journal on Image and Video Processing , vol. 2017, p. 54, Jan. 2017.
A. Kolovou, E. Iosif, and A. Potamianos, " Lexical and affective models in early acquisition of semantics ," in Proc. Workshop on Child Computer Interaction , Glasgow, Scotland, Nov. 2017.
A. Fergadis, C. Baziotis, D. Pappas, H. Papageorgiou, and A. Potamianos, " Hierarchical bidirectional attention-based RNN in BioCreative VI precision medicine track, document triage task ," in Proc. BioCreative Challenge Evaluation Workshop , Bethesda, Maryland, Oct. 2017.
E. Tzinis and A. Potamianos, " Segment-based speech emotion recognition using recurrent neural networks ," in Proc. of Intl. Conf. on Affective Computing and Intelligent Interaction , San Antonio, Texas, pp. 190-195, Oct. 2017.
A. Kolovou, F. Kokkinos, A. Fergadis, P. Papalampidi, E. Iosif, N. Malandrakis, E. Palogiannidi, H. Papageorgiou, S. Narayanan, and A. Potamianos, " Tweester at SemEval-2017 Task 4: Fusion of semantic-affective and pairwise classification models for sentiment analysis in twitter ," in Proc. Intl. Workshop on Semantic Evaluation , Vancouver, Canada, pp. 675-682, Aug. 2017.
P. Papalampidi, E. Iosif, and A. Potamianos, " Dialogue act semantic representation and classification using recurrent neural networks ," in Proc. Workshop on the Semantics and Pragmatics of Dialogue , (Saabrucken, Germany), pp. 77-86, Aug. 2017.
A. Chorianopoulou, E. Tzinis, E. Iosif, A. Papoulidi, C. Papailiou, and A. Potamianos, " Engagement detection for children with autism spectrum disorder ," in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , New Orleans, LA, pp. 5055-5059, Mar. 2017.

2016

G. Karamanolakis, E. Iosif, A. Zlatintsi, A. Pikrakis, and A. Potamianos, " Audio-based distributional semantic models for music auto-tagging and similarity measurement ," arXiv preprint arXiv:1612.08391 , Dec. 2016. F. Kokkinos and A. Potamianos, " Structural attention neural networks for improved sentiment analysis ," arXiv preprint arXiv:1701.01811 , Dec. 2016. A. Chorianopoulou, P. Koutsakis, and A. Potamianos, " Speech emotion recognition using affective saliency ," in Proc. Interspeech , (San Francisco, CA), Sept. 2016. S. Georgiladakis, G. Athanasopoulou, R. Meena, J. Lopes, A. Chorianopoulou, E. Palogiannidi, E. Iosif, G. Skantze, and A. Potamianos, " Root cause analysis of miscommunication hotspots in spoken dialogue systems ," in Proc. Interspeech , San Francisco, CA, Sept. 2016. G. Karamanolakis, E. Iosif, A. Zlatintsi, A. Pikrakis, and A. Potamianos, " Audio-based distributional representations of meaning using a fusion of feature encodings ," in Proc. Interspeech , San Francisco, CA, Sept. 2016. E. Palogiannidi, E. Iosif, P. Koutsakis, and A. Potamianos, " A semantic-affective compositional approach for the affective labelling of adjective-noun and noun-noun pairs ," in Proc. of the 7th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis (WASSA) , San Diego, CA, June 2016. E. Palogiannidi, A. Kolovou, F. Christopoulou, F. Kokkinos, E. Iosif, N. Malandrakis, H. Papageorgiou, S. Narayanan, and A. Potamianos, " Tweester at semeval-2016 task 4: Sentiment analysis in twitter using semantic-affective model adaptation ," in Proc. Intl. Workshop on Semantic Evaluation , San Diego, CA, June 2016. E. Iosif, S. Georgiladakis, and A. Potamianos, " Cognitively motivated distributional representations of meaning ," in Proc. Intl. Conf. on Language Resources and Evaluation , Portoroz, Slovenia, May 2016. E. Iosif and A. Potamianos, " Crossmodal network-based distributional semantic models ," in Proc. Intl. Conf. on Language Resources and Evaluation , Portoroz, Slovenia, May 2016. J. Lopes, A. Chorianopoulou, E. Palogiannidi, H. Moniz, A. Abad, K. Louka, E. Iosif, and A. Potamianos, " The Spedial datasets: datasets for spoken dialogue system analytics ," in Proc. Intl. Conf. on Language Resources and Evaluation , Portoroz, Slovenia, May 2016. E. Palogiannidi, P. Koutsakis, E. Iosif, and A. Potamianos, " Affective lexicon creation for the Greek language ," in Proc. Intl. Conf. on Language Resources and Evaluation , Portoroz, Slovenia, May 2016.
F. Kokkinos and A. Potamianos, " Structural attention neural networks for improved sentiment analysis ," arXiv preprint arXiv:1701.01811 , Dec. 2016.
A. Chorianopoulou, P. Koutsakis, and A. Potamianos, " Speech emotion recognition using affective saliency ," in Proc. Interspeech , (San Francisco, CA), Sept. 2016.
S. Georgiladakis, G. Athanasopoulou, R. Meena, J. Lopes, A. Chorianopoulou, E. Palogiannidi, E. Iosif, G. Skantze, and A. Potamianos, " Root cause analysis of miscommunication hotspots in spoken dialogue systems ," in Proc. Interspeech , San Francisco, CA, Sept. 2016.
G. Karamanolakis, E. Iosif, A. Zlatintsi, A. Pikrakis, and A. Potamianos, " Audio-based distributional representations of meaning using a fusion of feature encodings ," in Proc. Interspeech , San Francisco, CA, Sept. 2016.
E. Palogiannidi, E. Iosif, P. Koutsakis, and A. Potamianos, " A semantic-affective compositional approach for the affective labelling of adjective-noun and noun-noun pairs ," in Proc. of the 7th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis (WASSA) , San Diego, CA, June 2016.
E. Palogiannidi, A. Kolovou, F. Christopoulou, F. Kokkinos, E. Iosif, N. Malandrakis, H. Papageorgiou, S. Narayanan, and A. Potamianos, " Tweester at semeval-2016 task 4: Sentiment analysis in twitter using semantic-affective model adaptation ," in Proc. Intl. Workshop on Semantic Evaluation , San Diego, CA, June 2016.
E. Iosif, S. Georgiladakis, and A. Potamianos, " Cognitively motivated distributional representations of meaning ," in Proc. Intl. Conf. on Language Resources and Evaluation , Portoroz, Slovenia, May 2016.
E. Iosif and A. Potamianos, " Crossmodal network-based distributional semantic models ," in Proc. Intl. Conf. on Language Resources and Evaluation , Portoroz, Slovenia, May 2016.
J. Lopes, A. Chorianopoulou, E. Palogiannidi, H. Moniz, A. Abad, K. Louka, E. Iosif, and A. Potamianos, " The Spedial datasets: datasets for spoken dialogue system analytics ," in Proc. Intl. Conf. on Language Resources and Evaluation , Portoroz, Slovenia, May 2016.
E. Palogiannidi, P. Koutsakis, E. Iosif, and A. Potamianos, " Affective lexicon creation for the Greek language ," in Proc. Intl. Conf. on Language Resources and Evaluation , Portoroz, Slovenia, May 2016.

2015

A. Vinciarelli, A. Esposito, E. Andre, F. Bonin, M. Chetouani, J. Cohn, M. Cristani, F. Fuhrmann, E. Gilmartin, Z. Hammal, D. Heylen, R. Kaiser, M. Koutsombogera, A. Potamianos, S. Renals, G. Riccardi, and A. Salah, " Open challenges in modelling, analysis and synthesis of human behaviour in human-human and human-machine interactions ," Cognitive Computation , vol. 7, pp. 397-413, Apr. 2015.
P. Koutras, A. Zlatintsi, E.Iosif, A. Katsamanis, P. Maragos, and A. Potamianos, " Predicting audio-visual salient events based on visual, audio and text modalities for movie summarization ," in Proc. Internat.Conf. on Image Processing , Quebec City, Canada, Sept. 2015.
E. Palogiannidi, E. Iosif, P. Koutsakis, and A. Potamianos, " Valence, arousal and dominance estimation for english, german, greek, portuguese and spanish lexica using semantic models ," in Proc. Interspeech , (Dresden, Germany), Sept. 2015.
S. Georgiladakis, E. Iosif, and A. Potamianos, " Fusion of compositional network-based and lexical function distributional semantic models ," in Proc. Workshop on Cognitive Modeling and Computational Linguistics (CMCL) , Denver, Colorado, pp. 39-47, June 2015.
A. Zlatintsi, E.Iosif, P. Maragos, and A. Potamianos, " Audio salient event detection and summarization using audio and text modalities ," in Proc. European Signal Process. Conf. , Nice, France, May 2015.
A. Zlatintsi, P. Koutras, N. Efthymiou, P. Maragos, A. Potamianos, and K. Pastra, " Quality evaluation of computational models for movie summarization ," in Proc. Intl. Workshop on Quality of Multimedia Experience (QoMEX) , (Costa Navarino, Messinia, Greece), May 2015.
E. Iosif and A. Potamianos, " Feeling is understanding: From affective to semantic spaces ," in Proc. Intl Conference for Computational Semantics (IWCS) , London, UK, pp. 162-173, Apr. 2015.

2014

S. Lee, A. Potamianos, and S. Narayanan, " Developmental acoustic study of American English diphthongs ,'' Journal of the Acoustical Society of America , vol. 136, pp. 1880-1894, Oct. 2014.
G. Athanasopoulou, I. Klasinas, S. Georgiladakis, E. Iosif, and A. Potamianos, " Using lexical, syntactic and semantic features for non-terminal grammar rule induction in spoken dialogue systems ," in Proc. IEEE/ACM Workshop on Spoken Language Technology , Lake Tahoe, Nevada, Dec. 2014.
R. Gupta, T. Guha, N. Malandrakis, M. V. Segbroeck, B. Xiao, M. P. Black, A. Potamianos, and S. S. Narayanan, " Multimodal prediction of affective dimensions and depression in human-computer interactions ," in Proc. Intl. Audio Visual Emotion Challenge and Workshop , Orlando, Florida, Nov. 2014.
A. Potamianos, " Cognitive multimodal processing: from signal to behavior ," in Proc. Workshop on Roadmapping the Future of Multimodal Interaction Research , Istanbul, Turkey, Nov. 2014.
D. Bone, C.-C. Lee, A. Potamianos, and S. Narayanan, " An investigation of vocal arousal dynamics in child-psychologist interactions using synchrony measures and a conversation-based model ," in Proc. Interspeech , (Singapore), Sept. 2014.
S. Georgiladakis, C. Unger, E. Iosif, S. Walter, P. Cimiano, E. Petrakis, and A. Potamianos, " Fusion of knowledge-based and data-driven approaches to grammar induction ," in Proc. Interspeech , (Singapore), Sept. 2014.
M. V. Segbroeck, R. Travadi, C. Vaz, J. Kim, M. Black, A. Potamianos, and S. Narayanan, " Classification of cognitive load from speech using an i-vector framework ," in Proc. Interspeech , (Singapore), Sept. 2014.
P. G. Shivakumar, A. Potamianos, S. Lee, and S. Narayanan, " Improving speech recognition for children using acoustic adaptation and pronunciation modeling ," in Proc. Workshop on Child, Computer and Interaction , (Singapore), Sept. 2014.
G. Athanasopoulou, E. Iosif, and A. Potamianos, " Low-dimensional manifold distributional semantic models ," in Proc. Intl. Conf. on Computational Linguistics , Dublin, Ireland, Aug. 2014.
A. Chorianopoulou, G. Athanasopoulou, E. Iosif, I. Klasinas, and A. Potamianos, " tucsage: Grammar rule induction for spoken dialogue systems via probabilistic candidate selection ," in Proc. Intl. Workshop on Semantic Evaluation , Dublin, Ireland, pp. 668-672, Aug. 2014.
I. Klasinas, E. Iosif, K. Louka, and A. Potamianos, " Semeval-2014 task 2: Grammar induction for spoken dialogue systems ," in Proc. Intl. Workshop on Semantic Evaluation , Dublin, Ireland, pp. 9-16, Aug. 2014.
N. Malandrakis, M. Falcone, C. Vaz, J. J. Bisogni, A. Potamianos, and S. Narayanan, " Sail: Sentiment analysis using semantic similarity and contrast features ," in Proc. Intl. Workshop on Semantic Evaluation , Dublin, Ireland, Aug. 2014.
N. Malandrakis, A. Potamianos, K. J. Hsu, K. N. Babeva, M. C. Feng, G. C. Davison, and S. Narayanan, " Affective language model adaptation via corpus selection ," in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Florence, Italy, May 2014.
E. Palogiannidi, I. Klasinas, A. Potamianos, and E. Iosif, " Spoken dialogue grammar induction from crowdsourced data ," in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Florence, Italy, May 2014.
K. Zervanou, E. Iosif, and A. Potamianos, " Word semantic similarity for morphologically rich languages ," in Proc. Intl. Conf. on Language Resources and Evaluation , Reykjavik, Iceland, pp. 1642-1648, May 2014.

2013

G. Evangelopoulos, A. Zlatintsi, A. Potamianos, P. Maragos, K. Rapantzikos, G. Skoumas, and Y. Avrithis, " Multimodal saliency and fusion for movie summarization based on aural, visual, and textual attention ," IEEE Transactions on Multimedia , vol. 15, pp. 1553-1568, Nov. 2013.
N. Malandrakis, A. Potamianos, E. Iosif, and S. S. Narayanan, " Distributional semantic models for affective text analysis ," IEEE Transactions on Audio, Speech and Language Processing , vol. 21, pp. 2379-2392, Nov. 2013.
T. Moschopoulos, E. Iosif, L. Demetropoulou, A. Potamianos, and S. Narayanan, " Toward the automatic extraction of policy networks using web links and documents ," IEEE Transactions on Knowledge and Data Engineering , vol. 25, pp. 2404-2417, Oct. 2013.
E. Iosif and A. Potamianos, " Similarity computation using semantic networks created from web-harvested data ," Natural Language Engineering , vol. FirstView, pp. 1-31, July 2013.
I. Klasinas, A. Potamianos, E. Iosif, S. Georgiladakis, and G. Mameli, " Web data harvesting for speech understanding grammar induction ," in Proc. Interspeech , Lyon, France, Aug. 2013.
V. Kouloumenta, M. Perakakis, and A. Potamianos, " Affective evaluation of multimodal dialogue games for preschoolers using physiological signals ," in Proc. Interspeech , Lyon, France, Aug. 2013.
N. Malandrakis, S. Sundaram, and A. Potamianos, " Affective classification of generic audio clips using regression models ," in Proc. Interspeech , Lyon, France, Aug. 2013.
A. Tsiartas, T. Chaspari, A. Katsamanis, P. Ghosh, M. Li, M. V. Segbroeck, A. Potamianos, and S. Narayanan, " Multi-band long-term signal variability features for robust voice activity detection ," in Proc. Interspeech , Lyon, France, Aug. 2013.
N. Malandrakis, I. Elias, V. Prokopi, A. Potamianos, and S. S. Narayanan, " Deeppurple: Lexical, string and affective feature fusion for sentence-level semantic similarity estimation ," in Proc. 2nd Joint Conference on Lexical and Computational Semantics (*SEM), Volume 1: Proceedings of the Main Conference and the Shared Task: Semantic Textual Similarity , pp. 103-108, Association for Computational Linguistics, June 2013.
N. Malandrakis, A. Kazemzadeh, A. Potamianos, and S. S. Narayanan, " Sail: A hybrid approach to sentiment analysis ," in Proc. 2nd Joint Conference on Lexical and Computational Semantics (*SEM), Volume 2: Proceedings of the Seventh International Workshop on Semantic Evaluation (SemEval 2013) , pp. 438-442, Association for Computational Linguistics, June 2013.
G. Evgeneiadis, V. Kouloumenta, and A. Potamianos, " Analyzing exploration and exploitation patterns in multimodal dialogue games for preschoolers ," in Proc. Games for Learning Workshop - Foundations of Digital Games Conference , Chania, Greece, May 2013.
N. Malandrakis, A. Potamianos, and S. Narayanan, " Continuous models of affect from text using n-grams ," in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Vancouver, Canada, May 2013.
P. Tsiakoulis, A. Potamianos, and D. Dimitriadis, " Instantaneous frequency and bandwidth estimation using filterbank arrays ," in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Vancouver, Canada, May 2013.
E. Iosif, A. Potamianos, M. Giannoudaki, and K. Zervanou, " Semantic similarity computation for abstract and concrete nouns using network-based distributional semantic models ," in Proc. 10th International Conference on Computational Semantics (IWCS) , Potsdam, Germany, pp. 328-334, Mar. 2013.
M. Perakakis and A. Potamianos, " An affective evaluation tool using brain signals ," in Proc. Intl. Conf. on Intelligent User Interfaces (companion volume) , Santa Monica, CA, pp. 105-106, ACM, Mar. 2013.

2012

M. Perakakis and A. Potamianos, " Affective evaluation of a mobile multimodal dialogue system using brain signals ," in Proc. IEEE/ACM Workshop on Spoken Language Technology , Miami, Florida, Dec. 2012.
A. Zlatintsi, P. Maragos, A. Potamianos, and G. Evangelopoulos, " A saliency-based approach to audio event detection and summarization ," in Proc. European Signal Process. Conf. , Aug. 2012.
N. Malandrakis, E. Iosif, and A. Potamianos, " Deeppurple: Estimating sentence semantic similarity using n-gram regression models and web snippets ," in *SEM 2012: The 1st Joint Conference on Lexical and Computational Semantics , Montreal, Canada, June 2012.
G. Riccardi, P. Cimiano, A. Potamianos, and C. Unger, " Up from limited dialog systems! ," in Proc. NAACL-HLT Workshop on future directions and needs in the SDS community (position paper) , Montreal, Canada, June 2012.

2011

D. Dimitriadis, P. Maragos, and A. Potamianos, " On the Effects of Filterbank Design and Energy Computation on Robust Speech Recognition ," IEEE Transactions on Audio, Speech and Language Processing , vol. 19, no. 6, pp. 1504-1516, Aug. 2011.
S. Yildirim, S. Narayanan, and A. Potamianos, " Detecting Emotional State of a Child in a Conversational Computer Game ," Computer, Speech and Language , vol. 25, no. 1, pp. 29-44, Jan. 2011.
N. Malandrakis, A. Potamianos, E. Iosif and S. Narayanan, " EmotiWord: Affective Lexicon Creation with Application to Interaction and Multimedia Data ,"in Proc. MUSCLE International Workshop on Computational Intelligence for Multimedia Understanding , Pisa, Italy, Dec. 2011.
N. Malandrakis, A. Potamianos, E. Iosif and S. Narayanan, " Kernel models for affective lexicon creation ,"in Proc. Interspeech , Florence, Italy, Aug. 2011.
N. Malandrakis, A. Potamianos, G. Evangelopoulos and A. Zlatintsi, " A supervised approach to movie emotion tracking ,"in Proc. Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP), Prague, Czech Republic, Apr. 2011.

2010

P. Tsiakoulis, A. Potamianos, and D. Dimitriadis, " Spectral Moment Features Augmented by Low Order Cepstral Coefficients for Robust ASR ," IEEE Signal Processing Letters , vol. 17, no. 6, pp. 551-554, June 2010.
P. Tsiakoulis, and A. Potamianos, " On the Effect of Fundamental Frequency on Amplitude and Frequency Modulation Patterns in Speech Resonances ,"in Proc. Interspeech , Makuhari, Japan, Sept. 2010.
M. Poesio, M. Baroni, O. Lanz, A. Lenci, A. Potamianos, H. Schutze, S. Schulte im Walde, and L. Surian, " BabyExp: Constructing a huge multimodal resource to acquire commonsense knowledge like children do ,"in Proc. LREC , Malta, May. 2010.

2009

E. Iosif, and A. Potamianos, " Unsupervised Semantic Similarity Computation Between Terms Using Web Documents ,'' IEEE Transactions on Knowledge and Data Engineering , vol. 22, no. 11 , pp. 1637-1647, Nov. 2010.
D. Nion, K. Mokios, N. Sidiropoulos, A. Potamianos, " Batch and Adaptive PARAFAC-Based Blind Separation of Convolutive Speech Mixtures ," IEEE Transactions on Audio, Speech and Language Processing , vol. 18, no. 6, pp. 1193 - 1207, Aug. 2010.
E. Sanchez-Soto, A. Potamianos, and K. Daoudi, " Unsupervised stream weight computation in classification and recognition tasks ,'' IEEE Transactions on Audio, Speech and Language Processing , vol. 17, no. 3, pp. 436-445, Mar. 2009.
S. Dimopoulos, C.H. Lee, E. Fosler-Lussier, and A. Potamianos, " Transition features for CRF-based recognition and boundary detection ," in Proc. Automatic Speech Recogn. and Underst. Workshop (ASRU), Merano, Italy, Dec. 2009.
P. Tsiakoulis, A. Potamianos, and D. Dimitriadis, " Short-time instantaneous frequency and bandwidth features for speech recognition ," in Proc. Automatic Speech Recogn. and Underst. Workshop (ASRU), Merano, Italy, Dec. 2009.
T. Kannetis, and A. Potamianos, " Towards Adapting Fantasy, Curiosity and Challenge in Multimodal Dialogue Systems for Preschoolers ,"in Proc. Int'l Conf. on Multimodal Interfaces (ICMI), Boston, MA, Nov. 2009.
T. Kannetis, A. Potamianos, and G.N. Yannakakis, " Fantasy, Curiosity and Challenge as Adaptation Indicators in Multimodal Dialog Systems for Preschoolers ," in Proc. Workshop of Child, Computer and Interaction (WOCCI), Boston, MA, Nov. 2009.
M. Gerosa, D. Giuliani, S. Narayanan, and A. Potamianos, " A Review of ASR Technologies for Children's Speech ," in Proc. Workshop of Child, Computer and Interaction (WOCCI), Boston, MA, Nov. 2009.
P. Tsiakoulis, and A. Potamianos, " Statistical Analysis of Amplitude Modulation in Speech Signals using an AM-FM Model ," in Proc. Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP), Taipei, Taiwan, Apr. 2009.
G. Evangelopoulos, A. Zlatintsi, G. Skoumas, K. Rapantzikos, A. Potamianos, P. Maragos, and Y. Avrithis, " Video Event Detection and Summarization Using Audio, Visual and Text Saliency ," in Proc. Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP), Taipei, Taiwan, Apr. 2009.
S. Dimopoulos, A. Potamianos, E. Fosler-Lussier, and C.-H. Lee, " Multiple Time Resolution Analysis of Speech Signals Using MCE Training with Application to Speech Recognition ,"in Proc. Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP), Taipei, Taiwan, Apr. 2009.

2008

P. Maragos, A. Potamianos and P. Gros (eds), Multimodal Processing and Interaction: Audio, Video, Text , Springer-Verlag, 2008.
A. Potamianos and M. Perakakis, "Human-Computer Interfaces to Multimedia Content: A Review,'' in Multimodal Processing and Interaction: Audio, Video, Text , Springer-Verlag, 2008.
A. Potamianos and M. Perakakis, "Design Principles for Multimodal Spoken Dialogue Systems,'' in Multimodal Processing and Interaction: Audio, Video, Text , Springer-Verlag, 2008.
G. Evangelopoulos, K. Rapatzikos, P. Maragos, Y. Avrithis, A. Potamianos, "Audiovisual Attention Modeling and Salient Event Detection", in Multimodal Processing and Interaction: Audio, Video, Text , Springer-Verlag, 2008.
D. Dimitriadis, A. Potamianos, and P. Maragos, " A Comparison of the Squared Energy and Teager-Kaiser Operators for Short-Time Energy Estimation in Noise ,'' IEEE Transactions on Signal Processing , vol. 57, no. 7, pp. 2569-2581, July 2009.
M. Perakakis and A. Potamianos, " A study in efficiency and modality usage in multimodal form filling systems ,'' IEEE Transactions on Audio, Speech and Language Processing , Vol. 16, pp. 1194 - 1206, Aug. 2008.
V. Farantouri, A. Potamianos, and S. Narayanan, " Linguistic Analysis of Spontaneous Children Speech ", in Proc. Workshop of Child, Computer and Interaction (WOCCI), Chania, Greece, Oct. 2008.
M. Perakakis and A. Potamianos, " Multimodal System Evaluation using Modality Efficiency and Synergy Metrics ", in Proc. Int'l Conf. on Multimodal Interfaces (ICMI), Chania, Greece, Oct. 2008.
G. Evangelopoulos, K. Rapantzikos, A. Potamianos, P. Maragos, A. Zlatintsi and Y. Avrithis, " Movie Summarization Based On Audio-Visual Saliency Detection ", in Proc. Intl Conference on Image Processing (ICIP), San Diego, California, Oct. 2008.
A. Tegos, V. Karkaletsis, and A. Potamianos, " Learning of Semantic Relations Between Ontology Concepts Using Statistical Techniques ", in Proc. HLIE Workshop , Antwerp, Belgium, Sept. 2008.
M. Maragakis and A. Potamianos, " Region-Based Vocal Tract Length Normalization for ASR ", in Proc. Interspeech , Brisbane, Australia, Sept. 2008.
K. Mokios, A. Potamianos, and N. Sidiropoulos, " On the Effectiveness of PARAFAC-Based Estimation in Blind Speech Separation ", in Proc. Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP), Las Vegas, Nevada, Apr. 2008.

2007

E. Ammicht, E. Fosler-Lussier, and A. Potamianos, " Information seeking spoken dialogue systems - Part I: Semantics and pragmatics ,'' IEEE Transactions on Multimedia , vol. 9, no.3, Apr. 2007. Vol. 9, pp. 532 - 549, April 2007.
A. Potamianos, E. Fosler-Lussier, E. Ammicht, and M. Perakakis, " Information seeking spoken dialogue systems - Part II: Multimodal dialogue ,'' IEEE Transactions on Multimedia , Vol. 9, pp. 550 - 566, April 2007.
E. Iosif and A. Potamianos, " Unsupervised semantic similarity computation using web search engines ,'' in Proc. Intern. Conf. on Web Intelligence , Silicon Valley, USA, Nov. 2007.
E. Sanchez-Soto, K. Daoudi, and A. Potamianos, " Unsupervised stream weight computation in a segmentation task: Application to audio-visual speech recognition ,'' in Proc. Intern. Conf. on Signal Proc. and Communications , Dubai, UAE, Nov. 2007.
M. Perakakis and A. Potamianos, " The effect of input mode on inactivity and interaction times of multimodal systems ,'' in Internat. Conf. on Multimodal Interfaces , Nagoya, Japan, Nov. 2007.
A. Potamianos and S. Narayanan, " A review of the acoustic and linguistic properties of children's speech ,'' in Proc. Intern. Workshop on Multimedia Signal Processing , Chania, Greece, Oct. 2007.
S. Siltanen et al, " Multimodal user interface for augmented assembly ,'' in Proc. Intern. Workshop on Multimedia Signal Processing , Chania, Greece, Oct. 2007.
E. Iosif and A. Potamianos, " A soft-clustering algorithm for automatic induction of semantic classes ,'' in Proc. Interspeech , Antwerp, Belgium, Aug. 2007.
D. Dimitriadis, J. Segura, L. Garcia, A. Potamianos, P. Maragos, and V. Pitsikalis, " Advanced front-end for robust speech recognition in extremely adverse environments ,'' in Proc. Interspeech , Antwerp, Belgium, Aug. 2007.
A. Katsamanis, P. Tsiakoulis, P. Maragos, and A. Potamianos, " Investigations in articulatory synthesis ,'' in Proc. Intenat. Conf. on Phonetics , Saarbrucken, Germany, Aug. 2007.
E. Sanchez-Soto, A. Potamianos, and K. Daoudi, " Unsupervised stream weight computation using anti-models ,'' in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Hawaii, USA, Apr. 2007.

2006

E. Iosif, A. Tegos, A. Pangos, E. Fosler-Lussier, and A. Potamianos, " Unsupervised combination of metrics for semantic class induction ,'' in IEEE/ACM Workshop on Spoken Language Technology , Aruba, Dec. 2006.
M. Perakakis, M. Toutoudakis, and A. Potamianos, " Blending speech and visual input in multimodal dialogue systems ,'' in IEEE/ACM Workshop on Spoken Language Technology , Aruba, Dec. 2006.
A. Potamianos et al, " Towards speaker and enviromental robustness in ASR: the HIWIRE project ,'' in ITRW Workshop on Speech Recognition and Intrinsic Variation , Toulouse, France, May 2006.
A. Potamianos, E. Sanchez-Soto, and K. Daoudi, " Stream weight computation for multi-stream classifiers ,'' in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Toulouse, France, May 2006.
K. Mokios, N. Sidiropoulos, and A. Potamianos, " Blind speech separation algorithm using PARAFAC and integer least squares ,'' in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Toulouse, France, May 2006.

2005

D. Dimitriadis, P. Maragos, and A. Potamianos, " Robust AM-FM features for speech recognition ,'' IEEE Signal Processing Letters , vol. 12, pp. 621-624, Sept. 2005.
A. Potamianos, S. Narayanan, and G. Riccardi, " Adaptive categorical understanding for spoken dialogue systems ,'' IEEE Transactions on Speech and Audio Processing , Vol. 13, pp. 321 - 329, May 2005.
P. Karageorgakis, A. Potamianos, and I. Klasinas, " Towards incorporating language morphology into statistical machine translation systems ,'' in Proc. Automatic Speech Recogn. and Underst. Workshop , Cancun, Mexico, Dec. 2005.
A. Pangos, E. Iosif, A. Potamianos, and E. Fosler-Lussier, Combining statistical similarity measures for automatic induction of semantic classes ,'' in Proc. Automatic Speech Recogn. and Underst. Workshop , Cancun, Mexico, Dec. 2005.
D. Dimitriadis, P. Maragos, and A. Potamianos, " Auditory Teager energy cepstrum coefficients for robust speech recognition ,'' in Proc. European Conf. on Speech Communication and Technology , Lisbon, Portugal, Sept. 2005.
S. Yildirim, C. Lee, S. Lee, A. Potamianos, and S. Narayanan, " Detecting politeness and frustration state of a child in a conversational computer game ,'' in Proc. European Conf. on Speech Communication and Technology , Lisbon, Portugal, Sept. 2005.

2004

A. Pargellis, E. Fosler-Lussier, C.-H. Lee, A. Potamianos, and A. Tsai, "Auto-induced semantic classes,'' Speech Communication , vol. 43, pp. 183-203, Aug. 2004.
V. Weerackody, W. Reichl and A. Potamianos, "Soft feature decoding in a distributed automatic speech recognition system for use over wireless channels," U.S. Patent No. 6,760,699, awarded to Lucent Technologies, 2004.

2003

A. Potamianos and S. Narayanan, " Robust recognition of children's speech ,'' IEEE Transactions on Speech and Audio Processing , vol. 11, pp. 603-616, Nov. 2003.
A. Potamianos, E. Ammicht, and E. Fosler-Lussier, " Modality tracking in the multimodal Bell Labs Communicator ,'' in Proc. Automatic Speech Recogn. and Underst. Workshop , St. Thomas, U.S. Virgin Islands, Dec. 2003.

2002

V. Weerackody, W. Reichl, and A. Potamianos, " An error-protected speech recognition system for wireless communications ,'' IEEE Transactions on Wireless Communications , vol. 1, pp. 282-291, Apr. 2002.
S. Narayanan and A. Potamianos, " Creating conversational interfaces for children ,'' IEEE Transactions on Speech and Audio Processing , vol. 10, pp. 65-78, Feb. 2002. [ IEEE Signal Processing Society Best Paper Award 2005 ]
D. Dimitriadis, V. Pitsikalis, P. Maragos, and A. Potamianos, " Modulation and chaotic features for speech recognition ,'' invited paper to the Journal of Control and Intelligent Systems, Special Issue on Nonlinear Speech Processing , vol. 30, pp. 19-26, Jan. 2002.
A. Potamianos, "Novel features for robust speech recognition,'' in invited presentation to the Conf. of the Acoustical Society of America , Cancun, Mexico, Dec. 2002.
R. Argiles-Solsona, E. Fosler-Lussier, J. Kuo, A. Potamianos, and I. Zitouni, " Adaptive language models for spoken dialogue systems ,'' in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Orlando, Florida, May 2002.
D. Dimitriadis, P. Maragos, and A. Potamianos, " Modulation features for speech recognition ,'' in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Orlando, Florida, May 2002.
S. Lee, E. Ammicht, E. Fosler-Lussier, J. Kuo, and A. Potamianos, " Spoken dialogue evaluation for the Bell Labs Communicator system ,'' in Proc. Human Language Technology Conf. , San Diego, California, Mar. 2002.
M. Tsangaris and A. Potamianos, " AGORA: A GUI approach to multimodal user interfaces ,'' in Proc. Human Language Technology Conf. , San Diego, California, Mar. 2002.

2001

A. Potamianos and P. Maragos, " Time-frequency distributions for automatic speech recognition ,'' IEEE Transactions on Speech and Audio Processing , vol. 9, pp. 196-200, Mar. 2001.
M. Walker et al, " DARPA Communicator: Cross-system results for the 2001 evaluation ,'' in Internat. Conf. Speech Language Processing , Colorado, Sept. 2002.
E. Ammicht, A. Potamianos, and E. Fosler-Lussier, " Ambiguity representation and resolution in spoken dialogue systems ,'' in Proc. European Conf. on Speech Communication and Technology , Aalborg, Denmark, Oct. 2001.
M. Galley, E. Fosler-Lussier, and A. Potamianos, " Hybrid natural language generation for spoken dialogue systems ,'' in Proc. European Conf. on Speech Communication and Technology , Aalborg, Denmark, Oct. 2001.
A. Pargellis, E. Fosler-Lussier, A. Potamianos, and C.-H. Lee, " Metrics for measuring domain-independence of semantic classes ,'' in Proc. European Conf. on Speech Communication and Technology , Aalborg, Denmark, Oct. 2001.
A. Potamianos and V. Weerackody, " Soft-feature decoding for speech recognition over wireless channels ,'' in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Salt Lake City, Utah, May 2001.

2000

M. Walker et al, "DARPA Communicator evaluation: Progress from 2000 to 2001,'' in Internat. Conf. Speech Language Processing , Colorado, Sept. 2002.
M. Walker et al, "DARPA Communicator dialog travel planning systems: the June 2000 evaluation,'' in Proc. European Conf. on Speech Communication and Technology , Aalborg, Denmark, Oct. 2001.
A. Pargellis and A. Potamianos, " Cross-domain classification using generalized domain acts ,'' in Internat. Conf. Speech Language Processing , Beijing, China, Oct. 2000.
A. Potamianos, E. Ammicht, and H.-K. Kuo, " Dialogue management in the Bell Labs communicator system ,'' in Internat. Conf. Speech Language Processing , Beijing, China, Oct. 2000.
A. Potamianos and H.-K. Kuo, " Speech understanding using finite state transducers ,'' in Internat. Conf. Speech Language Processing , Beijing, China, Oct. 2000.
W. Reichl, V. Weerackody, and A. Potamianos, "A codec for speech recognition in a wireless system,'' in Proc. EUROCOMM , Munich, Germany, May 2000.
I. Zeljkovic, S. Narayanan, and A. Potamianos, "Unsupervised HMM adaptation based on speech-silence discrimination," U.S. Patent No 6076057, awarded to AT&T, 2000.

1999

A. Potamianos and P. Maragos, " Speech analysis and synthesis using an AM-FM modulation model ,'' Speech Communication , vol. 28, pp. 195-209, July 1999.
S. Lee, A. Potamianos, and S. Narayanan, " Acoustics of children's speech: Developmental changes of temporal and spectral parameters ,'' Journal of the Acoustical Society of America , pp. 1455-1468, Mar. 1999. [ Selected Research Article by JASA ]
P.Maragos and A. Potamianos, " Fractal dimensions of speech sounds: Computation and application to automatic speech recognition ,'' Journal of the Acoustical Society of America , pp. 1925-1932, Mar. 1999.
A. Potamianos and P. Maragos, "Time-frequency distributions for automatic speech recognition ,'' in Proc. Workshop on Automatic Speech Recognition and Understanding , Keystone, Colorado, Dec. 1999.
S. Narayanan, A. Potamianos, and H. Wang, "Multimodal systems for children: Building a prototype,'' in Proc. European Conf. on Speech Communication and Technology , Budapest, Hungary, Sept. 1999.
G. Potamianos and A. Potamianos, "Speaker adaptation for audio-visual speech recognition,'' in Proc. European Conf. on Speech Communication and Technology , Budapest, Hungary, Sept. 1999.
A. Potamianos, G. Riccardi, and S. Narayanan, "Categorical understanding using statistical n-gram models,'' in Proc. European Conf. on Speech Communication and Technology , Budapest, Hungary, Sept. 1999.
A. Potamianos et al, " Design principles and tools for multimodal dialog systems ,'' in Proc. ESCA Workshop Interact. Dialog. Multi-Modal Syst. , Kloster Irsee, Germany, June 1999.
A. Potamianos and R. C. Rose, "Combining Frequency Warping And Spectral Shaping In HMM Based Speech Recognition," U.S. Patent No 5930753, awarded to AT&T, 1999.

1998

G. Riccardi, A. Potamianos, and S. Narayanan, " Language model adaptation for spoken dialog systems ,'' in Internat. Conf. Speech Language Processing , Australia, Oct. 1998.
S. Okawa, E. Brocchieri, and A. Potamianos, " Multi-band speech recognition in noisy environments ,'' in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Seattle, Washington, May 1998.
A. Potamianos and S. Narayanan, " Spoken dialog systems for children ,'' in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Seattle,Washington, pp. 197-201, May 1998.

1997

S. Lee, A. Potamianos, and S. Narayanan, "Analysis of children's speech: Duration, pitch and formants,'' in Proc. European Conf. on Speech Communication and Technology , Rhodes, Greece, pp. 473-476, Sept. 1997.
P. Maragos and A. Potamianos, "On using fractal features of speech sounds in automatic speech recognition,'' in Proc. European Conf. on Speech Communication and Technology , Rhodes, Greece, pp. 2531-2534, Sept. 1997.
A. Potamianos and P. Maragos, "Speech analysis and synthesis using an AM-FM modulation model,'' in Proc. European Conf. on Speech Communication and Technology , Rhodes, Greece, pp. 1355-1358, Sept. 1997.
A. Potamianos, S. Narayanan, and S. Lee, "Automatic speech recognition for children,'' in Proc. European Conf. on Speech Communication and Technology , Rhodes, Greece, pp. 2371-2374, Sept. 1997.
I. Zeljkovic, S. Narayanan, and A. Potamianos, "Unsupervised HMM adaptation based on speech-silence discrimination,'' in Proc. European Conf. on Speech Communication and Technology , Rhodes, Greece, pp. 2055-2058, Sept. 1997.
A. Potamianos and R. C. Rose, " On combining frequency warping and spectral shaping in HMM-based speech recognition ,'' in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Munich, Germany, Apr. 1997.
R. C. Rose and A. Potamianos, "Improving robustness in HMM based speech recognition through simultaneous frequency warping and spectral shaping,'' in ESCA-NATO Workshop on Robust Speech Recognition , Pont-a-Mousson, France, Apr. 1997.

1996

A. Potamianos and P. Maragos, " Speech formant frequency and bandwidth tracking using multiband energy demodulation ,'' Journal of the Acoustical Society of America , vol. 99, pp. 3795-3806, June 1996.
A. Potamianos, Speech Processing Applications Using an AM-FM Modulation Model , Harvard University, 1996

1995

P. Maragos and A. Potamianos, " Higher-order differential energy operators ,'' IEEE Signal Processing Letters , vol. 2, Aug. 1995.
A. Potamianos and R. C. Rose, "A feature-space transformation for telephone based speech recognition,'' in Proc. European Conf. on Speech Communication and Technology , Madrid, Spain, Sept. 1995.
P. Maragos, A. Potamianos, and B. Santhanam, " Instantaneous energy operators: Applications to speech processing and communications ,'' in IEEE Workshop on Nonlinear Signal and Image Processing , Thessaloniki, Greece, June 1995.
A. Potamianos and P. Maragos, " Speech formant frequency and bandwidth tracking using multiband energy demodulation ,'' in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Detroit, MI, May 1995.
A. Potamianos and R. C. Rose, "A Time-Varying Feature Space Preprocessing Procedure for Telephone Based Speech Recognition," U.S. Patent No 5765124, awarded to Lucent Technologies, 1995.

1994

H. M. Hanson, P. Maragos, and A. Potamianos, "A system for finding speech formants and modulations via energy separation ,'' IEEE Transactions on Speech and Audio Processing , vol. 2, pp. 436-443, July 1994.
A. Potamianos and P. Maragos, " A comparison of the energy operator and the Hilbert transform approach to signal and speech demodulation ,'' Signal Processing , vol. 37, pp. 95-120, May 1994.
A. Potamianos and P. Maragos, " Applications of speech processing using an AM-FM modulation model and energy operators ,'' in Proc. European Signal Process. Conf. , Edinburgh, Scotland, pp. III: 1669-1672, Sept. 1994.
P. Maragos, T. F. Quatieri, J. F. Kaiser, and A. Potamianos, "Demodulation of AM-FM resonances in speech using energy separation,'' in presentation to the Conf. of the Acoustical Society of America , Boston, MA, June 1994.

1993

H. M. Hanson, P. Maragos, and A. Potamianos, "Finding speech formants and modulations via energy separation: With application to a vocoder,'' in Proc. Internat. Conf. on Acoust., Speech, and Signal Process. , Minneapolis, MN, Apr. 1993.

1991

J. Diamesis and A. Potamianos, "Tridiagonal state-space realization of a class of 2-D transfer functions,'' in Proc. of the 25th Conf. on Information Sciences and Systems , Baltimore, MD, pp. 249-253, Mar. 1991.