Publications

  • G. Velentzas, M. Khamassi and C. Tzafestas. “Bio–inspired Meta–learning for Active Exploration During Non–stationary Multi–armed Bandit Tasks“. Intelligent Systems Conference (IntelliSys), 7-8 September 2017, London, United Kingdom. (to appear)

  • J. Pérolat, F. Strub, B. Piot and O. Pietquin. “Learning Nash Equilibrium for General-Sum Markov Games from Batch Data“. 20th International Conference on Artificial Intelligence and Statistics (AISTATS), 20-22 April 2017, Fort Lauderdale, Florida, USA. (to appear)

  • M. Khamassi, G. Velentzas, T. Tsitsimis and C. Tzafestas. “Active Exploration and Parameterized Reinforcement Learning Applied to a Simulated Human-Robot Interaction Task“. The First IEEE International Conference on Robotic Computing (Robotic Computing 2017), Taichung, Taiwan, 10-12 April 2017. (to appear)

  • F. Kokkinos and A. Potamianos. “Structural Attention Neural Networks for Improved Sentiment Analysis“. 15th Conference of the European Chapter of the Association for Computational Linguistics (EACL), 3-7 April 2017, Valencia, Spain. (to appear)

  • A. Zaraki, K. Dautenhahn, L. Wood, O. Novanda and B. Robins. “Toward Autonomous Child-Robot Interaction: Development of an Interactive Architecture for the Humanoid Kaspar Robot“. 3rd Workshop on Child-Robot Interaction (CRI2017) in International Conference on Human Robot Interaction (ACM/IEEE HRI 2017), 6-9 March 2017, Vienna, Austria.

  • J. Hemminghaus and S. Kopp. “Towards Adaptive Social Behavior Generation for Assistive Robots Using Reinforcement Learning“. International Conference on Human Robot Interaction (ACM/IEEE HRI 2017), 6-9 March 2017, Vienna, Austria.

  • G. Skantze. “Predicting and Regulating Participation Equality in Human-robot Conversations: Effects of Age and Gender“. International Conference on Human-Robot Interaction (ACM/IEEE HRI 2017), 6-9 March 2017, Vienna, Austria.

  • A. Chorianopoulou, E. Tzinis, E. Iosif, A. Papoulidi, C. Papailiou and A. Potamianos. “Engagement Detection for Children with Autism Spectrum Disorder“. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 5-9 March 2017, New Orleans, USA.

  • M. Khamassi and C. Tzafestas. “Active Exploration in Parameterized Reinforcement Learning“. (https://arxiv.org/abs/1610.01986) pdf

  • G. Karamanolakis, E. Iosif, A. Zlatintsi, A. Pikrakis and A. Potamianos. “Audio-based Distributional Semantic Models for Music Auto-tagging and Similarity Measurement“. (https://arxiv.org/abs/1612.08391) pdf

  • S. Thermos and G. Potamianos. “Audio-visual Speech Activity Detection in a Two-speaker Scenario Incorporating Depth Information from a Profile or Frontal View”. IEEE Workshop on Spoken Language Technology (SLT), 13-16 December 2016, San Diego, California, USA. link

  • J. Pérolat, B. Piot and O. Pietquin. “A Study of Value Iteration with Non-Stationary Strategies in General Sum Markov Games“. NIPS Workshop on Learning, Inference and Control of Multi-Agent Systems (MALIC), 9 December 2016, Barcelona, Spain. pdf

  • B. Piot, M. Geist and O. Pietquin. “Batch Policy Iteration for Continuous Domains“. 13th European Workshop of Reinforcement Learning (EWRL), 3-4 December 2016 , Barcelona, Spain. pdf

  • C. Oertel, J. Gustafson and A. Black. “On Data Driven Parametric Backchannel Synthesis for Expressing Attentiveness in Conversational Agents“. Multimodal Analyses Enabling Artificial Agents in Human-Machine Interaction (MA3HMI, satellite workshop of ICMI), 16 November 2016, Tokyo, Japan. link

  • C. Oertel, J. Lopes, Y. Yu, K. Funes, J. Gustafson, A. Black and J-M. Odobez. “Towards Building an Attentive Artificial Listener: On the Perception of Attentiveness in Audio-Visual Feedback Tokens“. 18th ACM International Conference on Multimodal Interaction (ICMI), 12-16 November 2016, Tokyo, Japan. link

  • F. Kirstein and R. Risager. “Experiences from Long-Term Implementation of Social Robots in Danish Educational Institutions“. Co-Designing Children-Robot-Interaction Workshop at Robophilosophy, 18 October 2016, Aarhus, Denmark. link

  • F. Kirstein, T. Rubæk and J-E. Østergaard. “Exploring End-Users’ Needs Towards Personal Robots for Education“. Personal Robot Interaction Workshop at IROS, 14 October 2016, Daejeon, Korea.

  • G. Panagiotaropoulou, P. Koutras, A. Katsamanis, P. Maragos, A. Zlatintsi, A. Protopapas, E. Karavasilis and N. Smyrnis.  “FMRI-Based Perceptual Validation of A Computational Model For Visual and Auditory Saliency in Videos“. International Conference on Image Processing (ICIP), 25-28 September 2016, Phoenix, Arizona, USA. link

  • C. Oertel, J. Gustafson and A. Black. “Towards Building an Attentive Artificial Listener: On the Perception of Attentiveness in Feedback Utterances“. Interspeech, 8-12 September 2016, San Francisco, USA. pdf

  • A. Chorianopoulou, P. Koutsakis and A. Potamianos. “Speech Emotion Recognition Using Affective Saliency“. Interspeech, 8-12 September 2016, San Francisco, California, USA. pdf

  • G. Karamanolakis, E. Iosif, A. Zlatintsi, A. Pikrakis and A. Potamianos. “Audio-based Distributional Representations of Meaning Using a Fusion of Feature Encodings“. Interspeech, 8-12 September 2016, San Francisco, California, USA. pdf

  • P. Giannoulis, G. Potamianos, P. Maragos, and A. Katsamanis. “Improved Dictionary Selection and Detection Schemes in Sparse-CNMF-based Overlapping Acoustic Event Detection”. Detection and Classification of Acoustic Scenes and Events Workshop (DCASE), 3 September 2016, Budapest, Hungary. pdf

  • J. Pérolat, B. Piot, M. Geist, B. Scherrer and O. Pietquin. “Softened Approximate Policy Iteration for Markov Games“. International Conference of Machine Learning (ICML), 19-24 June 2016, New York, USA. pdf

  • E. Palogiannidi, A. Kolovou, F. Christopoulou, F. Kokkinos, E. Iosif, N. Malandrakis, H. Papageorgiou, S. Narayanan and A. Potamianos. “Tweester: Sentiment Analysis in Twitter using Semantic-Affective Model Adaptation”. International Workshop on Semantic Evaluation (SemEval’16), 16-17 June 2016, San Diego, California, USA. [Best system for shared evaluation task 4B] pdf

  • 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”7th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis (WASSA), 16 June 2016, San Diego, California, USA. pdf

  • E. Iosif, S. Georgiladakis and A. Potamianos. “Cognitively Motivated Distributional Representations of Meaning”. 10th Language Resources and Evaluation Conference (LREC’16), 23-28 May 2016, Portorož, Slovenia. pdf

  • E. Iosif and A. Potamianos. “Crossmodal Network-Based Distributional Semantic Models”. 10th Language Resources and Evaluation Conference (LREC’16), 23-28 May 2016, Portorož, Slovenia. pdf

  • E. Palogiannidi, P. Koutsakis, E. Iosif and A. Potamianos. “Affective Lexicon Creation for the Greek Language”. 10th Language Resources and Evaluation Conference (LREC’16), 23-28 May 2016, Portorož, Slovenia. pdf

  • A. Potamianos, C. Tzafestas, E. Iosif, F. Kirstein, P. Maragos, K. Dauthenhahn, J. Gustafson, J-E. Østergaard, S. Kopp, P. Wik, O. Pietquin and S. Al Moubayed. “BabyRobot – Next Generation Social Robots: Enhancing Communication and Collaboration Development of TD and ASD Children by Developing and Commercially Exploiting the Next Generation of Human-Robot Interaction Technologies”. 2nd Workshop on Evaluating Child-Robot Interaction (CRI) at Human-Robot Interaction (HRI’16), 7 March 2016, Christchurch, New Zealand. pdf