OpenFact – Lewoniewski.info

May 2, 2026 3 min

Neutrality in Wikipedia by the Numbers: What an Analysis of Millions of Articles Reveals

Wikipedia has long been based on one of its most important principles – the neutral point of view (NPOV). In theory, this means that every article should present facts without bias. In practice, however, achieving full neutrality is a major challenge, especially across millions of articles written by people from all over the world.

#Aleksandra Wojewoda #DistilBERT #Hugging Face #Izabela Czumałowska #Krzysztof Węcel #Milena Stróżyna #OpenFact #RoBERTa #sentiment analysis #TextBlob #VADER #Wikipedia

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Researchers’ Night 2025: Operation InfoVerification

News

October 31, 2025 2 min

Researchers’ Night 2025: Operation InfoVerification

During Researchers’ Night 2025, the staff of the Department of Information Systems conducted workshops titled “Operation InfoVerification” that were presented in the engaging form of a field game. The event introduced participants to the process of verifying information and identifying fake news. The workshops combined elements of adventure, investigation, and logic-based challenges, immersing participants in […]

#Elżbieta Lewańska #fake news #fantasy #Izabela Czumałowska #Milena Stróżyna #OpenFact #Researchers' Night #science fiction #Wikipedia

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IT Tools Supporting the Fact-Checking Process

News

March 23, 2025 1 min

IT Tools Supporting the Fact-Checking Process

A scientific article addressing the processes of fact-checking and the IT tools supporting information verification has been published in open access. The study deepens understanding of countering online disinformation by introducing a structured fact-checking model alongside practical technological solutions.

#Ewelina Księżniak #fake news #Krzysztof Węcel #Marcin Sawiński #Milena Stróżyna #OpenFact #Piotr Stolarski #SocialScan #Witold Abramowicz

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News

March 16, 2025 3 min

Artificial Intelligence in Detecting Fake News

The fourth seminar on artificial intelligence (AI) and digital transformation focused on the critical issue of automatically detecting fake news. During the event, a research team from the Department of Information Systems PUEB presented the latest findings from their ongoing OpenFact project, which aims to develop innovative AI-based solutions capable of identifying false content published […]

#Aleksandra Wojewoda #artificial intelligence #Ewelina Księżniak #fake news #Izabela Czumałowska #Krzysztof Węcel #Marcin Sawiński #Milena Stróżyna #OpenFact #Patryk Danielewicz #Piotr Stolarski #Witold Abramowicz

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Exploring the Challenges and Potential of Generative AI: Insights from an Empirical Study

News

March 8, 2025 2 min

Exploring the Challenges and Potential of Generative AI: Insights from an Empirical Study

The scientific paper entitled “Exploring the Challenges and Potential of Generative AI: Insights from an Empirical Study” has been published in open access. Carried out within the OpenFact project, the research highlights both the capabilities and the practical challenges posed by these advanced AI tools. The experiment results revealed frequent occurrences of AI “hallucinations”, instances […]

#ChatGPT #Ewelina Księżniak #GenAI #Krzysztof Węcel #Marcin Sawiński #Milena Stróżyna #OpenFact #Piotr Stolarski #Witold Abramowicz

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News

November 9, 2024 2 min

Semantic mapping of disinformation: identifying fake news topics

The scientific article entitled “Sentence Embeddings and Semantic Entity Extraction for Identification of Topics of Short Fact-Checked Claims” has been published in open access. The paper describes an approach to assigning topics to claims verified by fact-checking agencies.

#DBpedia #Ewelina Księżniak #fake news #Krzysztof Węcel #Marcin Sawiński #Milena Stróżyna #OpenFact #Wikidata #Wikipedia #Witold Abramowicz

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News

October 11, 2024 5 min

KES 2024: GenAI and Fact Checking

During the 28th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems (KES 2024), two papers were presented: “Exploring the Challenges and Potential of Generative AI: Insights from an Empirical Study” and “Supporting fact-checking process with IT tools”. The conference was held on September 11-13, 2024 in hybrid mode.

#ChatGPT #conference #Ewelina Księżniak #fake news #GenAI #Krzysztof Węcel #Marcin Sawiński #Milena Stróżyna #OpenFact #Piotr Stolarski #Witold Abramowicz

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Presentations at the CLEF 2024 conference

News

October 9, 2024 5 min

Presentations at the CLEF 2024 conference

On September 9-12, 2024, scientists from the Department of Information Systems PUEB presented their works at the CLEF 2024 conference, which took place in Grenoble (France). This was the 25th edition of the CLEF (Conference and Labs of the Evaluation Forum), a key event in the field of information and language technologies, focusing on the […]

#Agata Filipowska #Aleksandra Wojewoda #CLEF #conference #Elżbieta Lewańska #Ewelina Księżniak #France #Krzysztof Węcel #Marcin Sawiński #Milena Stróżyna #OpenFact #Oskar Riewe-Perła #Piotr Stolarski #Witold Abramowicz

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Combining multiple attack methods for effective adversarial text generation

Articles

September 21, 2024 3 min

Combining multiple attack methods for effective adversarial text generation

An article entitled “OpenFact at CheckThat! 2024: Combining Multiple Attack Methods for Effective Adversarial Text Generation” has been published in open access. The paper describes the approach that won first place in an international competition in the area of information credibility.

#Aleksandra Wojewoda #BERT #BiLSTM #CLEF #Elżbieta Lewańska #Ewelina Księżniak #language models #Marcin Sawiński #Milena Stróżyna #OpenFact #Piotr Stolarski #RoBERTa #Witold Abramowicz

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News

August 1, 2023 2 min

ChatGPT and fake news

The scientific work of members of our Department was published in the Economics and Business Review journal. The article “Artificial intelligence – friend or foe in fake news campaigns” focuses on analyzing the impact of large language models (LLM) on the phenomenon of fake news. On the one hand decent text‐generation capabilities can be misused […]

#ChatGPT #fake news #language models #OpenFact

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First place in the international competition CheckThat!

News

July 27, 2023 3 min

First place in the international competition CheckThat!

The OpenFact project team took part in the CheckThat! organized as part of the international conference CLEF 2023 (Conference and Labs of the Evaluation Forum). The method proposed by our scientists took first place. This method detects English sentences that need to be reviewed because of potential misleading and therefore are worth fact-checking.

#fake news #language models #OpenFact

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