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In this paper, we explore and compare multiple solutions to the problem of data augmentation in image classification. Previous work has demonstrated the effectiveness of data augmentation through simple techniques, such as cropping,…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Luis Perez , Jason Wang

Post-Traumatic Stress Disorder (PTSD) remains underdiagnosed in clinical settings, presenting opportunities for automated detection to identify patients. This study evaluates natural language processing approaches for detecting PTSD from…

Computation and Language · Computer Science 2026-01-08 Feng Chen , Dror Ben-Zeev , Gillian Sparks , Arya Kadakia , Trevor Cohen

In this paper, we address the problem of detection, classification and quantification of emotions of text in any form. We consider English text collected from social media like Twitter, which can provide information having utility in a…

Social and Information Networks · Computer Science 2019-06-13 Bharat Gaind , Varun Syal , Sneha Padgalwar

Data augmentation techniques have been used to alleviate the problem of scarce labeled data in various NER tasks (flat, nested, and discontinuous NER tasks). Existing augmentation techniques either manipulate the words in the original text…

Computation and Language · Computer Science 2023-05-29 Xuming Hu , Yong Jiang , Aiwei Liu , Zhongqiang Huang , Pengjun Xie , Fei Huang , Lijie Wen , Philip S. Yu

Sentiment analysis, an increasingly vital field in both academia and industry, plays a pivotal role in machine learning applications, particularly on social media platforms like Reddit. However, the efficacy of sentiment analysis models is…

Computation and Language · Computer Science 2024-05-29 Xiaoxia Zhang , Xiuyuan Qi , Zixin Teng

Data augmentation is a ubiquitous technique for increasing the size of labeled training sets by leveraging task-specific data transformations that preserve class labels. While it is often easy for domain experts to specify individual…

Machine Learning · Statistics 2018-12-10 Alexander J. Ratner , Henry R. Ehrenberg , Zeshan Hussain , Jared Dunnmon , Christopher Ré

Multi-emotion sentiment classification is a natural language processing (NLP) problem with valuable use cases on real-world data. We demonstrate that large-scale unsupervised language modeling combined with finetuning offers a practical…

Computation and Language · Computer Science 2018-12-05 Neel Kant , Raul Puri , Nikolai Yakovenko , Bryan Catanzaro

This paper provides different approaches for a binary sentiment classification on a small training dataset. LLMs that provided state-of-the-art results in sentiment analysis and similar domains are being used, such as BERT, RoBERTa and…

Computation and Language · Computer Science 2023-11-08 Guillem Senabre Prades

Data limitation is one of the most common issues in training machine learning classifiers for medical applications. Due to ethical concerns and data privacy, the number of people that can be recruited to such experiments is generally…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-14 Bahman Mirheidari , Yilin Pan , Daniel Blackburn , Ronan O'Malley , Traci Walker , Annalena Venneri , Markus Reuber , Heidi Christensen

Emotion prediction is a key emerging research area that focuses on identifying and forecasting the emotional state of a human from multiple modalities. Among other data sources, physiological data can serve as an indicator for emotions with…

Machine Learning · Computer Science 2022-01-19 Maryam Khalid , Emily Willis

This paper explores the potential of leveraging Large Language Models (LLMs) for data augmentation in multilingual commonsense reasoning datasets where the available training data is extremely limited. To achieve this, we utilise several…

Computation and Language · Computer Science 2023-10-24 Chenxi Whitehouse , Monojit Choudhury , Alham Fikri Aji

Emotion recognition in conversation (ERC) aims to identify the emotion of each utterance in a conversation, playing a vital role in empathetic artificial intelligence. With the growing of large language models (LLMs), instruction tuning has…

Computation and Language · Computer Science 2025-08-19 Hui Ma , Bo Zhang , Jinpeng Hu , Zenglin Shi

The use of transfer learning methods is largely responsible for the present breakthrough in Natural Learning Processing (NLP) tasks across multiple domains. In order to solve the problem of sentiment detection, we examined the performance…

Computation and Language · Computer Science 2023-07-05 Olumide Ebenezer Ojo , Hoang Thang Ta , Alexander Gelbukh , Hiram Calvo , Olaronke Oluwayemisi Adebanji , Grigori Sidorov

Large language models (LLMs) have shown promising performance on various NLP tasks via task prompting. And their performance can be further improved by appending task demonstrations to the head of the prompt. And usually, a better…

Computation and Language · Computer Science 2023-09-12 Hongyuan Lu , Wai Lam

The increasing size and complexity of pre-trained language models have demonstrated superior performance in many applications, but they usually require large training datasets to be adequately trained. Insufficient training sets could…

Computation and Language · Computer Science 2025-02-03 Yaping Chai , Haoran Xie , Joe S. Qin

This paper evaluates data augmentation and feature enhancement techniques for hate speech detection, comparing traditional classifiers, e.g., Delta Term Frequency-Inverse Document Frequency (Delta TF-IDF), with transformer-based models…

Computation and Language · Computer Science 2026-03-06 Brian Jing Hong Nge , Stefan Su , Thanh Thi Nguyen , Campbell Wilson , Alexandra Phelan , Naomi Pfitzner

We develop an open-source tool (EmTract) that extracts emotions from social media text tailed for financial context. To do so, we annotate ten thousand short messages from a financial social media platform (StockTwits) and combine it with…

Pricing of Securities · Quantitative Finance 2023-06-23 Domonkos F. Vamossy , Rolf Skog

Text is the major method that is used for communication now a days, each and every day lots of text are created. In this paper the text data is used for the classification of the emotions. Emotions are the way of expression of the persons…

Computation and Language · Computer Science 2019-01-11 Naveenkumar K S , Vinayakumar R , Soman KP

Research in emotion analysis is scattered across different label formats (e.g., polarity types, basic emotion categories, and affective dimensions), linguistic levels (word vs. sentence vs. discourse), and, of course, (few well-resourced…

Computation and Language · Computer Science 2021-11-09 Sven Buechel , Luise Modersohn , Udo Hahn

This paper investigates how Natural Language Understanding (NLU) could be applied in Emotion Recognition, a specific task in affective computing. We finetuned different transformers language models (BERT, DistilBERT, RoBERTa, XLNet, and…

Computation and Language · Computer Science 2021-04-06 Diogo Cortiz