Malta

The proliferation of fake news in digital media has become a significant societal concern, impacting public opinion, trust, and decision-making. This project focuses on the development of machine learning models for the detection of fake news. Leveraging a dataset containing both genuine and deceptive news articles, the proposed models employ natural language processing techniques, feature extraction and classification algorithms. This paper provides a solution to Fake News Detection in Dravidian Languages - DravidianLangTech@EACL 2024. There are two sub tasks: Task 1 -The goal of this task is to classify a given social media text into original or fake. We propose an approach for this with the help of a supervised machine learning model – SVM (Support Vector Machine). The SVM classifier achieved a macro F1 score of 0.78 in test data and a rank 11. The Task 2 is classifying fake news articles in Malayalam language into different categories namely False, Half True, Mostly False, Partly False and Mostly True.We have used Naive Bayes which achieved macro f1-score 0.3517 in test data and a rank 6.

EACL 2024

Wordwizard Fake News Detection in Dravidian Languages-DravidianLangTech@EACL 2024

naive bayes

fake news

### Welcome to 2025 Annual Conference of the Nations of the Americas Chapter of the Association for Computational Linguistics

Welcome to the 2025 meeting of the Nations of the Americas Chapter of the Association for Computational Linguistics! I am proud to help organize the first NAACL conference to carry the new name of our organization, one that emphasizes inclusion for all of the Americas. I am also pleased to welcome you to Albuquerque, New Mexico, a state whose unique blend of cultural influences will make for an excellent backdrop for NAACL 2025, especially with this year’s special theme on NLP in a Multicultural World. 
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NAACL 2025

Welcome to 2025 Annual Conference of the Nations of the Americas Chapter of the Association for Computational Linguistics

workshop paper

Welcome to the 18th Conference of the European Chapter of the Association for Computational Linguistics (EACL). Continuing its mission of expanding and involving the science community of all European countries, EACL has selected the Malta community for the 18th EACL. Considering the importance of physical interaction among researchers, the conference will be held at the Hotel Radisson Blu, St. Julians, in Malta, from 17 to 22 of March, 2024. The conference will also feature the possibility to participate virtually. As the flagship European conference in the field of computational linguistics, EACL welcomes European and international researchers covering a broad spectrum of research areas that are concerned with computational approaches to natural language. 
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As the flagship European conference in the field of computational linguistics, EACL welcomes European and international researchers covering a broad spectrum of research areas that are concerned with computational approaches to natural language.

Hate and offensive language in online platforms pose significant challenges, necessitating automatic detection methods. Particularly in the case of codemixed text, which is very common in social media, the complexity of this problem increases due to the cultural nuances of different languages. A shared task on the detection of hate and offensive language for Telugu was organized by DravidianLangTech. To complete this task, our study investigates the effectiveness of transliteration-augmented datasets for Telugu codemixed text. We compare the performance of various machine learning, deep learning, and transformer-based models on both original and augmented datasets. Our findings demonstrate the superiority of transformer models, particularly Telugu-BERT, which achieved an $f_1$ score of 0.77 on the augmented dataset, ranking the $1^{st}$ position in the leaderboard. The study highlights the potential of transliteration-augmented datasets in improving model performance and suggests further exploration of diverse transliteration options to address real-world scenarios.

Sandalphon@DravidianLangTech-EACL2024: Hate and Offensive Language Detection in Telugu Codemixed Text using Transliteration-Augmentation

Due to technological advancements, various methods have emerged for disseminating news to the masses. The pervasive reach of news, however, has given rise to a significant concern - the proliferation of fake news. In response to this challenge, a shared task in DravidianLangTech@EACL 2024 was initiated to detect fake news and classify its types in the Malayalam language. The shared task consisted of two sub-tasks. Task-1 focused on a binary classification problem, determining whether a piece of news is fake or not. Whereas task-2 delved into a multi-class classification problem, categorizing news into five distinct levels. Our approach involved the exploration of various machine learning, deep learning, and transformer models, with an emphasis on parameter tuning to enhance overall model performance. As a result, we introduce a MuRIL model that leverages parameter tuning, achieving notable success with an F1-score of 0.86 in task-1 and 0.5191 in task-2. This successful implementation led to our system securing the 3rd position in task-1 and the 1st position in task-2. The source code will be found in the GitHub repository provided in this link: https://github.com/Salman1804102/DravidianLangTech-EACL-2024-FakeNews.

CUET_Binary_Hackers@DravidianLangTech@EACL 2024: Malayalam Fake News Detection by Fine-Tuned MuRIL BERT

Fake news on social media is increasingly used to target and manipulate public opinion, influencing the decisions of a large number of people beyond mere misinformation. Researchers are increasingly interested in verifying news legitimacy due to the difficulty and cost of manual verification, especially with the increasing use of social media and internet access. Unfortunately, research on low-resource languages like Malayalam remains negligible due to a lack of resources and language processing tools. To address the issue the paper describes the submission of the team Punny Punctuators to the shared task on Fake News Detection in Dravidian Languages-DravidianLangTech@EACL 2024. The shared task consists of two sub-tasks: (i) the first subtask classifies a given social media text as original or fake, and (ii) the second subtask classifies fake news into different categories. We used many transformer-based, deep-learning, and machine-learning models. The Malayalam-BERT model performs better than the other methods in subtask-1 and subtask-2, placing it 2nd with a macro F1-score of 0.87 and 11th with a macro F1-score of 0.17, respectively.

Punny_Punctuators@DravidianLangTech-EACL2024: Detection and Classification of Fake News for Malayalam Social-Media Text

In this modern era, many people have been using Facebook and Twitter, leading to a rise in information sharing and communication. However, a considerable amount of information on these platforms is misleading or intentionally crafted to deceive users, which is often termed "Fake News". This shared task on Fake News Detection in Dravidian Languages (Task-1) organized by DravidianLangTech@EACL 2024 allows for addressing the challenge of distinguishing between original and fake news content in the Malayalam language. Our approach involves creating an intelligent model to categorize text as either fake or original. We experimented with various models, including Logistic Regression, Decision Tree, Random Forest, SVM, and SGD for machine learning; CNN, BiLSTM, and BiLSTM with attention to deep learning; and XLM-R and m-BERT for transformer-based approaches. Notably, our most successful model, m-BERT, achieved a top-ranking position with a macro F1 score of 0.85, ranked 4th among the participants. This research contributes to combating misinformation on social media news, offering an effective solution to classify content accurately.

CUET_NLP_GoodFellows@DravidianLangTech 2024: A transformer-based approach for detecting Fake News in Dravidian Languages

With the continuous evolution of technology and widespread internet access, various social media platforms have gained immense popularity, attracting a vast number of active users globally. However, this surge in online activity has also led to a concerning trend by driving many individuals to resort to posting hateful and offensive comments or posts, publicly targeting groups or individuals. In response to these challenges, we participated in this shared task. Our approach involved proposing a fine-tuning-based pre-trained transformer model to effectively discern whether a given text contains offensive content that propagates hatred. We conducted comprehensive experiments, exploring various machine learning (LR, SVM, and Ensemble), deep learning (CNN, BiLSTM, CNN+BiLSTM), and transformer models (indic-SBERT, mBERT, MuRIL, Distil-mBERT, XLMR), adhering to a meticulous fine-tuning methodology. Among the models evaluated, our fine-tuned L3Cube-Indic-Sentence-Similarity-BERT or Indic-SBERT model demonstrated superior performance, achieving a macro-average F1-score of 0.7013. This notable result positioned us at the 6th place in the task. The implementation details of the task will be found in the GitHub repository.

CUET_Binary_Hackers@DravidianLangTech@EACL 2024: Hate and Offensive Language Detection in Telugu Code-Mixed Text Using Sentence Similarity BERT

The ever-evolving landscape of online social media has initiated a transformative phase in communication, presenting unprecedented opportunities alongside inherent challenges. The pervasive issue of false information, commonly termed fake news, has emerged as a significant concern within these dynamic platforms. This study delves into the domain of Fake News Detection, with a specific focus on Malayalam. Utilizing advanced transformer models like mBERT, ALBERT, and XMLRoBERTa, our research proficiently classifies social media text into original or fake categories. Notably, our proposed model achieved commendable results, securing a rank of 3 in Task 1 with macro F1 scores of 0.84 using mBERT, 0.56 using ALBERT, and 0.84 using XMLRoBERTa. In Task 2, the XMLRoBERTa model excelled with a rank of 12, attaining a macro F1 score of 0.21, while mBERT and BERT achieved scores of 0.16 and 0.11, respectively. This research aims to develop robust systems capable of discerning authentic from deceptive content, a crucial endeavor in maintaining information reliability on social media platforms amid the rampant spread of misinformation.

TechWhiz@DravidianLangTech 2024: Fake News Detection Using Deep Learning Models

Sentiment analysis delves into people's opinions, intuitions, and emotions regarding any entity. Within natural language processing (NLP), it serves as a technique to extract subjective knowledge, determining whether an opinion or comment leans positive, negative, neutral, or a mix thereof towards an entity. In recent years, it has garnered substantial attention from NLP researchers due to the vast availability of comments and opinions on the internet. Despite extensive studies in this domain, sentiment analysis in low-resource languages such as Tamil and Tulu faces challenges in handling code-mixed and transliterated content. To address these challenges, this work focuses on sentiment analysis of code-mixed and transliterated Tamil and Tulu social media comments. It explores four machine learning approaches (LR, SVM, XGBoost, Ensemble), two deep learning methods (BiLSTM with fastText and Word2Vec), and four transformer-based models (m-BERT, MuRIL, L3Cube-IndicSBERT, and DistilmBERT) for both languages. For Tamil, L3Cube-IndicSBERT and ensemble approaches outperform others, while m-BERT demonstrates superior performance among the models for Tulu. The presented models achieved the third and first ranks by attaining macro F1-scores of 0.227 and 0.584 in Tamil and Tulu, respectively.

CUET_Binary_Hackers@DravidianLangTech-EACL 2024: Sentiment Analysis using Transformer-Based Models in Code-Mixed and Transliterated Tamil and Tulu

Abusive language is a major problem on social media, which highlights the need for efficient detection methods to be developed. This research addresses the formidable challenge of detecting abusive language in Tamil through a comprehensive multimodal approach, incorporating textual, acoustic, and visual inputs. In the domain of video data, our study utilizes ConvLSTM, 3DCNN, and a hybrid 3DCNN with BiLSTM. For audio data, models such as LSTM, BiLSTM, RNN, LR, GNB, and RF are explored. Regarding textual content, we investigate MNB, LR, RF, RNN, LSTM, and BiLSTM. To further enhance overall performance, we introduce a weighted late fusion model amalgamating predictions from all modalities. The fusion model is then applied to make predictions on our test dataset, yielding macro f1 score of 71.43%. Within the shared task "Multimodal Abusive Language Detection and Sentiment Analysis in Dravidian Languages: DravidianLangTech@EACL 2024," this methodology has achieved the highest ranking for detecting abusive language detection in the Tamil.

Binary_Beasts@DravidianLangTech@EACL 2024: Multimodal Abusive Language Detection in Tamil: An Integrated Approach using ML and DL Techniques

Sentiment Analysis of Dravidian Languages has begun to garner attention recently as there is more need to analyze emotional responses and subjective opinions present in social media text. As this data is code-mixed and there are not many solutions to code-mixed text out there, we present to you a stellar solution to DravidianLangTech@EACL 2024: Sentiment Analysis in Tamil and Tulu task. To understand the sentiment of social media text, we used pre trained transformer models and feature extraction vectorizers to classify the data with results that placed us 11th in the rankings for the Tamil task and 8th for the Tulu task with a macro F1 score of 0.074 and 0.251 which shows the efficiency of our approach.

WordWizardsDravidianLangTech@EACL 2024: Sentiment Analysis in Tamil and Tulu

The importance of being able to identify between fake and original news in the arena of social media demands surveillance procedures. This paper simply establishes the shared task on 'Fake News Detection in Dravidian Languages - DravidianLangTech@EACL 2024.' Focused on the Malayalam language, the task entails identifying social media posts as either fake or original news. The participating teams presented varied strategies, ranging from conventional machine-learning techniques to cutting-edge transformer-based models. Notably, our findings underscore the usefulness of the Malayalam-BERT model, demonstrating a noteworthy accuracy of 88% in detecting between fake and original news among Malayalam social media material.

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Next from EACL 2024

Sandalphon@DravidianLangTech-EACL2024: Hate and Offensive Language Detection in Telugu Codemixed Text using Transliteration-Augmentation

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