Search Results for author: Omar Sharif

Found 23 papers, 11 papers with code

M-BAD: A Multilabel Dataset for Detecting Aggressive Texts and Their Targets

no code implementations CONSTRAINT (ACL) 2022 Omar Sharif, Eftekhar Hossain, Mohammed Moshiul Hoque

Recently, detection and categorization of undesired (e. g., aggressive, abusive, offensive, hate) content from online platforms has grabbed the attention of researchers because of its detrimental impact on society.

MemoSen: A Multimodal Dataset for Sentiment Analysis of Memes

1 code implementation LREC 2022 Eftekhar Hossain, Omar Sharif, Mohammed Moshiul Hoque

However, due to the proliferation of social media usage in recent years, sentiment analysis of memes is also a crucial research issue in low resource languages.

Multimodal Sentiment Analysis Sentiment Classification

CUET-NLP@DravidianLangTech-ACL2022: Investigating Deep Learning Techniques to Detect Multimodal Troll Memes

no code implementations DravidianLangTech (ACL) 2022 Md Hasan, Nusratul Jannat, Eftekhar Hossain, Omar Sharif, Mohammed Moshiul Hoque

Moreover, the CNN-Text+VGG16 outperformed the other models concerning the multimodal memes detection by achieving the highest f_1-score of 0. 49, but the LSTM+CNN model allowed the team to achieve 4^{th} place in the shared task.

Meme Classification

CUET-NLP@DravidianLangTech-ACL2022: Exploiting Textual Features to Classify Sentiment of Multimodal Movie Reviews

no code implementations DravidianLangTech (ACL) 2022 Nasehatul Mustakim, Nusratul Jannat, Md Hasan, Eftekhar Hossain, Omar Sharif, Mohammed Moshiul Hoque

With the proliferation of internet usage, a massive growth of consumer-generated content on social media has been witnessed in recent years that provide people’s opinions on diverse issues.

CUET-NLP@TamilNLP-ACL2022: Multi-Class Textual Emotion Detection from Social Media using Transformer

no code implementations DravidianLangTech (ACL) 2022 Nasehatul Mustakim, Rabeya Rabu, Golam Md. Mursalin, Eftekhar Hossain, Omar Sharif, Mohammed Moshiul Hoque

Recently, emotion analysis has gained increased attention by NLP researchers due to its various applications in opinion mining, e-commerce, comprehensive search, healthcare, personalized recommendations and online education.

Emotion Recognition Opinion Mining +1

Do LLMs Find Human Answers To Fact-Driven Questions Perplexing? A Case Study on Reddit

no code implementations1 Apr 2024 Parker Seegmiller, Joseph Gatto, Omar Sharif, Madhusudan Basak, Sarah Masud Preum

Large language models (LLMs) have been shown to be proficient in correctly answering questions in the context of online discourse.

Deciphering Hate: Identifying Hateful Memes and Their Targets

1 code implementation16 Mar 2024 Eftekhar Hossain, Omar Sharif, Mohammed Moshiul Hoque, Sarah M. Preum

The dataset consists of 7, 148 memes with Bengali as well as code-mixed captions, tailored for two tasks: (i) detecting hateful memes, and (ii) detecting the social entities they target (i. e., Individual, Organization, Community, and Society).

Mad Libs Are All You Need: Augmenting Cross-Domain Document-Level Event Argument Data

no code implementations5 Mar 2024 Joseph Gatto, Parker Seegmiller, Omar Sharif, Sarah M. Preum

Our approach leverages the intuition that Mad Libs, which are categorically masked documents used as a part of a popular game, can be generated and solved by LLMs to produce data for DocEAE.

Data Augmentation Event Argument Extraction

Align before Attend: Aligning Visual and Textual Features for Multimodal Hateful Content Detection

1 code implementation15 Feb 2024 Eftekhar Hossain, Omar Sharif, Mohammed Moshiul Hoque, Sarah M. Preum

Evaluation results demonstrate our proposed approach's effectiveness with F1-scores of $69. 7$% and $70. 3$% for the MUTE and MultiOFF datasets.

Chain-of-Thought Embeddings for Stance Detection on Social Media

1 code implementation30 Oct 2023 Joseph Gatto, Omar Sharif, Sarah Masud Preum

Chain-of-Thought (COT) prompting has recently been shown to improve performance on stance detection tasks -- alleviating some of these issues.

Stance Detection

Text Encoders Lack Knowledge: Leveraging Generative LLMs for Domain-Specific Semantic Textual Similarity

no code implementations12 Sep 2023 Joseph Gatto, Omar Sharif, Parker Seegmiller, Philip Bohlman, Sarah Masud Preum

Additionally, we show generative LLMs significantly outperform existing encoder-based STS models when characterizing the semantic similarity between two texts with complex semantic relationships dependent on world knowledge.

Memorization Semantic Similarity +4

Characterizing Information Seeking Events in Health-Related Social Discourse

no code implementations17 Aug 2023 Omar Sharif, Madhusudan Basak, Tanzia Parvin, Ava Scharfstein, Alphonso Bradham, Jacob T. Borodovsky, Sarah E. Lord, Sarah M. Preum

To the best of our knowledge, this is the first attempt to define event categories for characterizing information-seeking in OUD social discourse.

Misconceptions

Theme-driven Keyphrase Extraction to Analyze Social Media Discourse

no code implementations27 Jan 2023 William Romano, Omar Sharif, Madhusudan Basak, Joseph Gatto, Sarah Preum

Lastly, we found that a large language model (ChatGPT) outperforms unsupervised keyphrase extraction models, and we evaluate its efficacy in this task.

Keyphrase Extraction Language Modelling +1

NLP-CUET@DravidianLangTech-EACL2021: Offensive Language Detection from Multilingual Code-Mixed Text using Transformers

1 code implementation EACL (DravidianLangTech) 2021 Omar Sharif, Eftekhar Hossain, Mohammed Moshiul Hoque

In the task, datasets provided in three languages including Tamil, Malayalam and Kannada code-mixed with English where participants are asked to implement separate models for each language.

Multilingual text classification XLM-R

Combating Hostility: Covid-19 Fake News and Hostile Post Detection in Social Media

1 code implementation9 Jan 2021 Omar Sharif, Eftekhar Hossain, Mohammed Moshiul Hoque

This paper illustrates a detail description of the system and its results that developed as a part of the participation at CONSTRAINT shared task in AAAI-2021.

Binary Classification Classification +3

TechTexC: Classification of Technical Texts using Convolution and Bidirectional Long Short Term Memory Network

no code implementations ICON 2020 Omar Sharif, Eftekhar Hossain, Mohammed Moshiul Hoque

This paper illustrates the details description of technical text classification system and its results that developed as a part of participation in the shared task TechDofication 2020.

General Classification text-classification +1

SentiLSTM: A Deep Learning Approach for Sentiment Analysis of Restaurant Reviews

1 code implementation19 Nov 2020 Eftekhar Hossain, Omar Sharif, Mohammed Moshiul Hoque, Iqbal H. Sarker

In addition, a comparative analysis of the proposed technique with other machine learning algorithms presented.

Sentiment Analysis

Sentiment Polarity Detection on Bengali Book Reviews Using Multinomial Naive Bayes

1 code implementation6 Jul 2020 Eftekhar Hossain, Omar Sharif, Mohammed Moshiul Hoque

Recently, sentiment polarity detection has increased attention to NLP researchers due to the massive availability of customer's opinions or reviews in the online platform.

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