Proppy: A System to Unmask Propaganda in Online News
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Abstract (arXiv)
We present proppy, the first publicly available real-world, real-time propaganda detection system for online news, which aims at raising awareness, thus potentially limiting the impact of propaganda and helping fight disinformation. The system constantly monitors a number of news sources, deduplicates and clusters the news into events, and organizes the articles about an event on the basis of the likelihood that they contain propagandistic content. The system is trained on known propaganda sources using a variety of stylistic features. The evaluation results on a standard dataset show state-of-the-art results for propaganda detection.
Key facts. Cited by 16 papers in the map (data through 14 Oct 2026). First posted on arXiv 14 Dec 2019.
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Citing papers per year: 2021: 4; 2022: 1; 2023: 4; 2024: 3; 2025: 2; 2026: 2.
16 papers.
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- 2023Check-COVID: Fact-Checking COVID-19 News Claims with Scientific Evidencecited by 25
- 2024Can GPT-4 Identify Propaganda? Annotation and Detection of Propaganda Spans in News Articlescited by 21
- 2021FakeFlow: Fake News Detection by Modeling the Flow of Affective Informationcited by 20
- 2021Interpretable Propaganda Detection in News Articlescited by 17
- 2025PropXplain: Can LLMs Enable Explainable Propaganda Detection?cited by 8
- 2023It's All in the Embedding! Fake News Detection Using Document Embeddingscited by 7
- 2021Volta at SemEval-2021 Task 6: Towards Detecting Persuasive Texts and Images using Textual and Multimodal Ensemblecited by 5
- 2021A Second Pandemic? Analysis of Fake News About COVID-19 Vaccines in Qatarcited by 5
- 2023Discourse Structures Guided Fine-grained Propaganda Identificationcited by 5
- 2024Check News in One Click: NLP-Empowered Pro-Kremlin Propaganda Detectioncited by 5
- 2022IITD at the WANLP 2022 Shared Task: Multilingual Multi-Granularity Network for Propaganda Detectioncited by 3
- 2025Towards Detecting Persuasion on Social Media: From Model Development to Insights on Persuasion Strategiescited by 1
4 more
- 2023Hierarchical Multi-Instance Multi-Label Learning for Detecting Propaganda Techniquescited by 0
- 2024MemeMind at ArAIEval Shared Task: Spotting Persuasive Spans in Arabic Text with Persuasion Techniques Identificationcited by 0
- 2026Can temporal article-level credibility signals improve domain-level credibility prediction?cited by 0
- 2026ProBel: Propaganda Detection with Techniques, Spans, and Explanationscited by 0
- 2026ProBel: Propaganda Detection with Techniques, Spans, and Explanations23 Aug 2026
- 2026Can temporal article-level credibility signals improve domain-level credibility prediction?6 Jul 2026
- 2025Towards Detecting Persuasion on Social Media: From Model Development to Insights on Persuasion Strategies18 Mar 2025
- 2025PropXplain: Can LLMs Enable Explainable Propaganda Detection?23 Feb 2025
- 2024MemeMind at ArAIEval Shared Task: Spotting Persuasive Spans in Arabic Text with Persuasion Techniques Identification8 Aug 2024
- 2024Can GPT-4 Identify Propaganda? Annotation and Detection of Propaganda Spans in News Articles27 Feb 2024
- 2024Check News in One Click: NLP-Empowered Pro-Kremlin Propaganda Detection28 Jan 2024
- 2023Discourse Structures Guided Fine-grained Propaganda Identification28 Oct 2023
- 2023Hierarchical Multi-Instance Multi-Label Learning for Detecting Propaganda Techniques30 May 2023
- 2023Check-COVID: Fact-Checking COVID-19 News Claims with Scientific Evidence29 May 2023
- 2023It's All in the Embedding! Fake News Detection Using Document Embeddings16 Apr 2023
- 2022IITD at the WANLP 2022 Shared Task: Multilingual Multi-Granularity Network for Propaganda Detection31 Oct 2022
4 more
- 2021A Second Pandemic? Analysis of Fake News About COVID-19 Vaccines in Qatar22 Sep 2021
- 2021Interpretable Propaganda Detection in News Articles29 Aug 2021
- 2021Volta at SemEval-2021 Task 6: Towards Detecting Persuasive Texts and Images using Textual and Multimodal Ensemble1 Jun 2021
- 2021FakeFlow: Fake News Detection by Modeling the Flow of Affective Information24 Jan 2021
- 2023Check-COVID: Fact-Checking COVID-19 News Claims with Scientific Evidencecited by 25
- 2024Can GPT-4 Identify Propaganda? Annotation and Detection of Propaganda Spans in News Articlescited by 21
- 2021FakeFlow: Fake News Detection by Modeling the Flow of Affective Informationcited by 20
- 2021Interpretable Propaganda Detection in News Articlescited by 17
- 2025PropXplain: Can LLMs Enable Explainable Propaganda Detection?cited by 8
- 2023It's All in the Embedding! Fake News Detection Using Document Embeddingscited by 7
- 2021Volta at SemEval-2021 Task 6: Towards Detecting Persuasive Texts and Images using Textual and Multimodal Ensemblecited by 5
- 2021A Second Pandemic? Analysis of Fake News About COVID-19 Vaccines in Qatarcited by 5
- 2023Discourse Structures Guided Fine-grained Propaganda Identificationcited by 5
- 2024Check News in One Click: NLP-Empowered Pro-Kremlin Propaganda Detectioncited by 5
- 2022IITD at the WANLP 2022 Shared Task: Multilingual Multi-Granularity Network for Propaganda Detectioncited by 3
- 2025Towards Detecting Persuasion on Social Media: From Model Development to Insights on Persuasion Strategiescited by 1
12 most cited of 16 All 16 (JSON)
- 2026ProBel: Propaganda Detection with Techniques, Spans, and Explanations23 Aug 2026
- 2026Can temporal article-level credibility signals improve domain-level credibility prediction?6 Jul 2026
- 2025Towards Detecting Persuasion on Social Media: From Model Development to Insights on Persuasion Strategies18 Mar 2025
- 2025PropXplain: Can LLMs Enable Explainable Propaganda Detection?23 Feb 2025
- 2024MemeMind at ArAIEval Shared Task: Spotting Persuasive Spans in Arabic Text with Persuasion Techniques Identification8 Aug 2024
- 2024Can GPT-4 Identify Propaganda? Annotation and Detection of Propaganda Spans in News Articles27 Feb 2024
- 2024Check News in One Click: NLP-Empowered Pro-Kremlin Propaganda Detection28 Jan 2024
- 2023Discourse Structures Guided Fine-grained Propaganda Identification28 Oct 2023
- 2023Hierarchical Multi-Instance Multi-Label Learning for Detecting Propaganda Techniques30 May 2023
- 2023Check-COVID: Fact-Checking COVID-19 News Claims with Scientific Evidence29 May 2023
- 2023It's All in the Embedding! Fake News Detection Using Document Embeddings16 Apr 2023
- 2022IITD at the WANLP 2022 Shared Task: Multilingual Multi-Granularity Network for Propaganda Detection31 Oct 2022
12 newest of 16 All 16 (JSON)