Search Results for author: Nikiforos Pittaras

Found 7 papers, 1 papers with code

The Financial Narrative Summarisation Shared Task (FNS 2020)

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.

A taxonomic system for failure cause analysis of open source AI incidents

no code implementations14 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.

A Cooperative Reinforcement Learning Environment for Detecting and Penalizing Betrayal

no code implementations23 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.

reinforcement-learning Reinforcement Learning (RL)

A study of text representations in Hate Speech Detection

1 code implementation8 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.

Abusive Language Hate Speech Detection +1

The Summary Evaluation Task in the MultiLing - RANLP 2019 Workshop

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.

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