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Supervised Advantage Actor-Critic for Recommender Systems


Nov 05, 2021
Xin Xin, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose

* 9 pages, 4 figures, In Proceedings of the 15th ACM International Conference on Web Search and Data Mining (WSDM '22), February 21-25, 2022, Phoenix, Arizona. arXiv admin note: text overlap with arXiv:2006.05779 

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Choosing the Best of Both Worlds: Diverse and Novel Recommendations through Multi-Objective Reinforcement Learning


Oct 28, 2021
Dusan Stamenkovic, Alexandros Karatzoglou, Ioannis Arapakis, Xin Xin, Kleomenis Katevas

* 9 pages, 4 figures, Proc. ACM WSDM, 2022 In Proceedings of the 15th ACM International Conference on Web Search and Data Mining (WSDM '22), February 21-25, 2022, Phoenix, Arizona 

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Graph Convolutional Embeddings for Recommender Systems


Mar 05, 2021
Paula Gómez Duran, Alexandros Karatzoglou, Jordi Vitrià, Xin Xin, Ioannis Arapakis

* 10 pages, 4 figures, SIGIR July 2021 

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My Mouse, My Rules: Privacy Issues of Behavioral User Profiling via Mouse Tracking


Jan 22, 2021
Luis A. Leiva, Ioannis Arapakis, Costas Iordanou

* In Proceedings of the 2021 ACM SIGIR Conference on Human Information Interaction and Retrieval (CHIIR '21), March 14-19, 2021, Canberra, Australia 

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Impact of Response Latency on User Behaviour in Mobile Web Search


Jan 22, 2021
Ioannis Arapakis, Souneil Park, Martin Pielot

* In Proceedings of the 2021 ACM SIGIR Conference on Human Information Interaction and Retrieval (CHIIR '21), March 14-19, 2021, Canberra, Australia 

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Query Abandonment Prediction with Recurrent Neural Models of Mouse Cursor Movements


Jan 22, 2021
Lukas Brückner, Ioannis Arapakis, Luis A. Leiva

* Proceedings of the 29th ACM Intl. Conf. on Information And Knowledge Management (CIKM), 2020 

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Self-Supervised Reinforcement Learning for Recommender Systems


Jun 11, 2020
Xin Xin, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose

* SIGIR2020 

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Learning Efficient Representations of Mouse Movements to Predict User Attention


May 30, 2020
Ioannis Arapakis, Luis A. Leiva

* Proceedings of the 43rd Intl. ACM SIGIR Conf. on Research and Development in Information Retrieval (SIGIR), 2020 
* arXiv admin note: text overlap with arXiv:2001.07803 

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Graph Highway Networks


Apr 09, 2020
Xin Xin, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M. Jose


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A Simple but Hard-to-Beat Baseline for Session-based Recommendations


Aug 30, 2018
Fajie Yuan, Alexandros Karatzoglou, Ioannis Arapakis, Joemon M Jose, Xiangnan He


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