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User Response and Sentiment Prediction for Automatic Dialogue Evaluation


Nov 16, 2021
Sarik Ghazarian, Behnam Hedayatnia, Alexandros Papangelis, Yang Liu, Dilek Hakkani-Tur

* Accepted at EMNLP 2021 Evaluations and Assessments of Neural Conversation Systems Workshop. 2 pages, 1 table 

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Training Conversational Agents with Generative Conversational Networks


Oct 15, 2021
Yen-Ting Lin, Alexandros Papangelis, Seokhwan Kim, Dilek Hakkani-Tur

* Accepted at WeCNLP 2021 

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"How Robust r u?": Evaluating Task-Oriented Dialogue Systems on Spoken Conversations


Sep 28, 2021
Seokhwan Kim, Yang Liu, Di Jin, Alexandros Papangelis, Karthik Gopalakrishnan, Behnam Hedayatnia, Dilek Hakkani-Tur

* To be presented at ASRU 2021 

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Generative Conversational Networks


Jun 15, 2021
Alexandros Papangelis, Karthik Gopalakrishnan, Aishwarya Padmakumar, Seokhwan Kim, Gokhan Tur, Dilek Hakkani-Tur

* SIGDial 2021 

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Can You be More Social? Injecting Politeness and Positivity into Task-Oriented Conversational Agents


Dec 29, 2020
Yi-Chia Wang, Alexandros Papangelis, Runze Wang, Zhaleh Feizollahi, Gokhan Tur, Robert Kraut


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Language Model is All You Need: Natural Language Understanding as Question Answering


Nov 05, 2020
Mahdi Namazifar, Alexandros Papangelis, Gokhan Tur, Dilek Hakkani-Tür


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Controllable Text Generation with Focused Variation


Sep 25, 2020
Lei Shu, Alexandros Papangelis, Yi-Chia Wang, Gokhan Tur, Hu Xu, Zhaleh Feizollahi, Bing Liu, Piero Molino


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Joint Contextual Modeling for ASR Correction and Language Understanding


Jan 28, 2020
Yue Weng, Sai Sumanth Miryala, Chandra Khatri, Runze Wang, Huaixiu Zheng, Piero Molino, Mahdi Namazifar, Alexandros Papangelis, Hugh Williams, Franziska Bell, Gokhan Tur

* Accepted at IEEE ICASSP 2020 

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Exploration Based Language Learning for Text-Based Games


Jan 24, 2020
Andrea Madotto, Mahdi Namazifar, Joost Huizinga, Piero Molino, Adrien Ecoffet, Huaixiu Zheng, Alexandros Papangelis, Dian Yu, Chandra Khatri, Gokhan Tur

* Under Review 

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Plato Dialogue System: A Flexible Conversational AI Research Platform


Jan 17, 2020
Alexandros Papangelis, Mahdi Namazifar, Chandra Khatri, Yi-Chia Wang, Piero Molino, Gokhan Tur


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Collaborative Multi-Agent Dialogue Model Training Via Reinforcement Learning


Jul 24, 2019
Alexandros Papangelis, Yi-Chia Wang, Piero Molino, Gokhan Tur

* SIGDIAL 2019 

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LD-SDS: Towards an Expressive Spoken Dialogue System based on Linked-Data


Oct 09, 2017
Alexandros Papangelis, Panagiotis Papadakos, Margarita Kotti, Yannis Stylianou, Yannis Tzitzikas, Dimitris Plexousakis

* Presented in Search Oriented Conversational AI SCAI 17 Workshop, Co-located with ICTIR 17, 2017 

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