David Semedo

2025

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Proceedings of the 4th International Workshop on Multimodal Human Understanding for the Web and Social Media, MUWS 2025, Dublin, Ireland, 31 October 2025
International Workshop on Multimodal Human Understanding for the Web and Social Media (MUWS) 2025

2023

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Rating Prediction in Conversational Task Assistants with Behavioral and Conversational-Flow Features.
Rafael Ferreira|David Semedo|João Magalhães
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
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Learning to Ask Questions for Zero-shot Dialogue State Tracking.
Diogo Tavares|David Semedo|Alexander Rudnicky|João Magalhães
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

2022

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Open-domain conversational search assistants: the Transformer is all you need.
Rafael Ferreira|Mariana Leite|David Semedo|João Magalhães
Discover Computing 2022 Volume 25 Issue 2

2021

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Open-Domain Conversational Search Assistant with Transformers.
Rafael Ferreira|Mariana Leite|David Semedo|João Magalhães
Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part I
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Towards Open-domain Vision and Language Understanding with Wikimedia.
David Semedo
Companion of The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

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NOVA at TREC 2020 Conversational Assistance Track.
Rafael Ferreira|David Semedo|João Magalhães
Proceedings of the Twenty-Ninth Text REtrieval Conference, TREC 2020, Virtual Event [Gaithersburg, Maryland, USA], November 16-20, 2020.

2019

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Dynamic-Keyword Extraction from Social Media.
David Semedo|João Magalhães
Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part I
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A Benchmark of Visual Storytelling in Social Media.
Gonçalo Marcelino|David Semedo|André Mourão|Saverio G. Blasi|Marta Mrak|João Magalhães
Proceedings of the 2019 on International Conference on Multimedia Retrieval, ICMR 2019, Ottawa, ON, Canada, June 10-13, 2019.

2016

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NovaSearch at ImageCLEFmed 2016 Subfigure Classification Task.
David Semedo|João Magalhães
Working Notes of CLEF 2016 - Conference and Labs of the Evaluation forum, Évora, Portugal, 5-8 September, 2016.