| Challenge: | Using contextualized token embeddings, we can extract features of propaganda from contextualized embeddnings without fine-tuning the large parameters of the base model. |
| Approach: | They propose a method for detecting fine-grained categories of propaganda in text by generating synthetically generated embeddings from pre-trained language models. |
| Outcome: | The proposed method is used in the first shared task in fine-grained propaganda detection at NLP4IF as Team Stalin. |
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Can GPT-4 Identify Propaganda? Annotation and Detection of Propaganda Spans in News Articles (2024.lrec-main)
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| Challenge: | Using large language models (LLMs) to detect propaganda from text is a challenge for the development of sophisticated models. |
| Approach: | They propose to use a large propaganda dataset to identify propagandistic content in text, visual, or multimodal languages to improve their models. |
| Outcome: | The proposed model performs better on a large propaganda dataset than the existing models on skewed datasets. |
On Sentence Representations for Propaganda Detection: From Handcrafted Features to Word Embeddings (D19-50)
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| Challenge: | The rise of fake and hyperpartisan news on social media and online news outlets calls for improved automatic detection of propaganda in texts. |
| Approach: | They propose to use handcrafted features and learn dense semantic representations to detect propaganda in sentence-level and with random undersampling of the majority class (non-propaganda) |
| Outcome: | The proposed system achieves a ranking of 10 among 25 participants, with 59.5 F1-score. |
Fine-Grained Analysis of Propaganda in News Article (D19-1)
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| Challenge: | Existing methods for detecting propaganda are noisy and lack of explainability. |
| Approach: | They propose to perform fine-grained analysis of texts by detecting all fragments that contain propaganda techniques as well as their type. |
| Outcome: | The proposed model outperforms several strong BERT-based baselines. |
Fine-Tuned Neural Models for Propaganda Detection at the Sentence and Fragment levels (D19-50)
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| Challenge: | The system was evaluated on a unified development set without distributing the gold labels. |
| Approach: | They propose to use fine-grained propaganda detection to build models that can explain why an article is propagandistic. |
| Outcome: | The proposed model performed on all eighteen propaganda techniques in the corpus of the shared task. |
Pretrained Ensemble Learning for Fine-Grained Propaganda Detection (D19-50)
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| Challenge: | Propaganda detection is a reallife challenge that can affect how people understand news . |
| Approach: | They propose to use a manually annotated dataset to tackle the propaganda detection on sentence level classification task of NLP4IF 2019 workshop co-located with EMNLP-IJCNLP 2019 conference. |
| Outcome: | The proposed model is ranked in the first place with 68.8312 F1-score on the development dataset and in the sixth place with 61.3990 F1 score on the testing dataset. |
Large Language Models for Propaganda Span Annotation (2024.findings-emnlp)
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| Challenge: | Using propagandistic techniques to manipulate online audiences is increasing in recent years. |
| Approach: | They investigate whether Large Language Models (LLMs) such as GPT-4 can extract propagandistic spans and the potential of employing them to collect more cost-effective annotations. |
| Outcome: | The proposed model provides labels that have higher agreement with expert annotators and lead to specialized models that achieve state-of-the-art over an unseen Arabic testing set. |
TWEETSPIN: Fine-grained Propaganda Detection in Social Media Using Multi-View Representations (2022.naacl-main)
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| Challenge: | Recent studies on propaganda detection involve document and fragment-level analyses of news articles. |
| Approach: | They propose a neural approach to detect and categorize propaganda tweets across fine-grained categories . they use a dataset containing tweets weakly annotated with different propaganda techniques . |
| Outcome: | The proposed method outperforms benchmark methods and transfers knowledge to low-resource news domains. |
Leveraging Declarative Knowledge in Text and First-Order Logic for Fine-Grained Propaganda Detection (2020.emnlp-main)
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| Challenge: | Existing methods for fine-grained propaganda detection are not based on input-output data, but instead use declarative knowledge to detect propagandistic text fragments. |
| Approach: | They propose a method to inject declarative knowledge of fine-grained propaganda techniques into training data to get better representations of propagandistic texts. |
| Outcome: | The proposed method achieves superior performance on a large dataset for propaganda detection. |
NSIT@NLP4IF-2019: Propaganda Detection from News Articles using Transfer Learning (D19-50)
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| Challenge: | In this paper, we describe our approach and system description for NLP4IF 2019 Workshop: Shared Task on Fine-Grained Propaganda Detection. |
| Approach: | They propose to use document Embeddings and LSTM to detect whether a sentence contains a propagandistic agenda. |
| Outcome: | The proposed approach ranked 21st in the NLP4IF 2019 Workshop: Shared Task on Fine-Grained Propaganda Detection. |
JUSTDeep at NLP4IF 2019 Task 1: Propaganda Detection using Ensemble Deep Learning Models (D19-50)
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| Challenge: | Detecting fake news is not well established yet, but it can be classified under several labels: false, biased, or framed to mislead the readers. |
| Approach: | They propose a deep learning model using BiLSTM, XGBoost, and BERT to detect propaganda using a corpus from a challenge. |
| Outcome: | The proposed model outperforms the baseline model on a dataset from the challenge NLP4IF 2019 . |