"Leon Derczynski"

New ITU research analyses attacks on Large Language Models

Leon Derczynski Nanna Inie Computer Science Department Research artificial intelligence

16 January, 2025

What are the intentions and profile of someone trying to use LLMs for malicious purposes? And how do they do it? In a new study, researchers from ITU define so-called “red teaming” of LLMs to enable better security in the future.

ITU researcher develops software to secure Large Language Models

Leon Derczynski Computer Science Department Research artificial intelligence

26 September, 2024

As Large Language Models (LLMs) are deployed in thousands of applications, the need for scalable evaluation of how models respond to malicious attacks grows rapidly. ITU Associate Professor Leon Derczynski has developed the hitherto most comprehensive tool for the task.

ITU project to monitor illegal hate speech on social media platforms

Leon Derczynski Computer Science Department ethics social media

27 February, 2023

Social media platforms are required by law to remove illegal content – such as hate speech – but in Denmark, monitoring of the platforms ceased in 2018. A new ITU lead project aims to monitor platforms for instances of hate speech in Danish and report to the EU.

New technology detects and measures online hate against women

Leon Derczynski Computer Science Department Research algorithms social media

27 July, 2021

ITU researchers have completed a large-scale collection, classification, and categorization of misogyny in Danish social media. It is a potential gamechanger in the fight against abusive online behaviour.

ITU led project will make automated translation more reliable

Leon Derczynski Computer Science Department Research algorithms data science

2 June, 2021

According to associate professor at the IT University, Leon Derczynski, the Danish Gigaword Project has the potential to improve everything from automated translation to misinformation detection.

ITU led project will make automated translation more reliable

Leon Derczynski Computer Science Department algorithms big data

4 May, 2021

According to associate professor at the IT University, Leon Derczynski, the Danish Gigaword Project has the potential to improve everything from automated translation to misinformation detection.

Study shows correlation between the number of tweets on mental health issues and urgent crisis referrals

Leon Derczynski Computer Science Department health social media

11 February, 2020

As a part of a UK research group, Assistant Professor Leon Derczynski, conducted a study that revealed a correlation between increases in the number of urgent mental health-related crisis referred to two mental healthcare providers in London on days and a high number of tweets mentioning depression and schizophrenia. The study has been published in one of the world's leading science journals, Nature's Scientific Reports.

Researchers from ITU receive five grants from Independent Research Fund Denmark

Leon Derczynski Barbara Plank Bernardo Machado David Steffen Dalsgaard Sebastian Risi Research grants

21 October, 2019

The grants will fund research in artificial Intelligence, urban air and language and other research areas. Five researchers receive the grants for their respective research projects.

Technology as a weapon in the battle against fake news

Leon Derczynski Computer Science Department Research algorithms artificial intelligence media

13 March, 2019

Algorithms can help us identify false stories, but letting technology be the judge of what is true and false is not without its problems, says Leon Derczynski, a researcher at ITU specializing in automatic detection of fake news and misinformation.

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