no code implementations • FNP (COLING) 2020 • Mahmoud El-Haj, Ahmed Abura’Ed, Marina Litvak, Nikiforos Pittaras, George Giannakopoulos
This paper presents the results and findings of the Financial Narrative Summarisation shared task (FNS 2020) on summarising UK annual reports.
no code implementations • 14 Nov 2022 • Nikiforos Pittaras, Sean McGregor
While certain industrial sectors (e. g., aviation) have a long history of mandatory incident reporting complete with analytical findings, the practice of artificial intelligence (AI) safety benefits from no such mandate and thus analyses must be performed on publicly known ``open source'' AI incidents.
no code implementations • 23 Oct 2022 • Nikiforos Pittaras
In this paper we present a Reinforcement Learning environment that leverages agent cooperation and communication, aimed at detection, learning and ultimately penalizing betrayal patterns that emerge in the behavior of self-interested agents.
1 code implementation • 8 Feb 2021 • Chrysoula Themeli, George Giannakopoulos, Nikiforos Pittaras
The pervasiveness of the Internet and social media have enabled the rapid and anonymous spread of Hate Speech content on microblogging platforms such as Twitter.
no code implementations • RANLP 2019 • Nikolaos Gialitsis, Nikiforos Pittaras, Panagiotis Stamatopoulos
In this study, we examine the effect of probabilistic topic model-based word representations, on sentence-based extractive summarization.
no code implementations • RANLP 2019 • George Giannakopoulos, Nikiforos Pittaras
This report covers the summarization evaluation task, proposed to the summarization community via the MultiLing 2019 Workshop of the RANLP 2019 conference.
no code implementations • RANLP 2019 • Nikiforos Pittaras, Vangelis Karkaletsis
In this study we examine the effect of semantic augmentation approaches on extractive text summarization.