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In a corpus of data, outliers are either errors: mistakes in the data that are counterproductive, or are unique: informative samples that improve model robustness. Identifying outliers can lead to better datasets by (1) removing noise in…

Emotion detection from the text is an important and challenging problem in text analytics. The opinion-mining experts are focusing on the development of emotion detection applications as they have received considerable attention of online…

Label smoothing is a widely used technique in various domains, such as text classification, image classification and speech recognition, known for effectively combating model overfitting. However, there is little fine-grained analysis on…

Computation and Language · Computer Science 2024-02-26 Yijie Gao , Shijing Si , Hua Luo , Haixia Sun , Yugui Zhang

Detecting emotions in limited text datasets from under-resourced languages presents a formidable obstacle, demanding specialized frameworks and computational strategies. This study conducts a thorough examination of deep learning techniques…

Computation and Language · Computer Science 2024-03-12 Siddhanth Bhat

Outlier detection is a well-researched and crucial problem in machine learning. However, there is little research on string data outlier detection, as most literature focuses on outlier detection of numerical data. A robust string data…

Machine Learning · Computer Science 2026-03-13 Philip Maus

Emotion recognition in text, the task of identifying emotions such as joy or anger, is a challenging problem in NLP with many applications. One of the challenges is the shortage of available datasets that have been annotated with emotions.…

Computation and Language · Computer Science 2023-10-31 Anna Koufakou , Diego Grisales , Ragy Costa de jesus , Oscar Fox

Emotion Classification based on text is a task with many applications which has received growing interest in recent years. This paper presents a preliminary study with the goal to help researchers and practitioners gain insight into…

Computation and Language · Computer Science 2023-03-01 Anna Koufakou , Jairo Garciga , Adam Paul , Joseph Morelli , Christopher Frank

A sentiment analysis system powered by machine learning was created in this study to improve real-time social network public opinion monitoring. For sophisticated sentiment identification, the suggested approach combines cutting-edge…

Computation and Language · Computer Science 2025-02-25 Arsen Tolebay Nurlanuly

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

In recent years, there has been increased interest in building predictive models that harness natural language processing and machine learning techniques to detect emotions from various text sources, including social media posts,…

Computation and Language · Computer Science 2022-12-20 Sourabh Zanwar , Daniel Wiechmann , Yu Qiao , Elma Kerz

Accurately measuring consumer emotions and evaluations from unstructured text remains a core challenge for marketing research and practice. This study introduces the Linguistic eXtractor (LX), a fine-tuned, large language model trained on…

Computation and Language · Computer Science 2026-02-18 Stephan Ludwig , Peter J. Danaher , Xiaohao Yang , Yu-Ting Lin , Ehsan Abedin , Dhruv Grewal , Lan Du

Multi-label sentiment classification plays a vital role in natural language processing by detecting multiple emotions within a single text. However, existing datasets like GoEmotions often suffer from severe class imbalance, which hampers…

Computation and Language · Computer Science 2026-03-31 Zijin Su , Huanzhu Lyu , Yuren Niu , Yiming Liu

In this paper, we present empirical analysis on basic and depression specific multi-emotion mining in Tweets with the help of state of the art multi-label classifiers. We choose our basic emotions from a hybrid emotion model consisting of…

Machine Learning · Computer Science 2021-06-22 Nawshad Farruque , Chenyang Huang , Osmar Zaiane , Randy Goebel

Sentiment classification is a quickly advancing field of study with applications in almost any field. While various models and datasets have shown high accuracy inthe task of binary classification, the task of fine-grained sentiment…

Computation and Language · Computer Science 2020-05-29 Brian Cheang , Bailey Wei , David Kogan , Howey Qiu , Masud Ahmed

Sentiment classification in short text datasets faces significant challenges such as class imbalance, limited training samples, and the inherent subjectivity of sentiment labels -- issues that are further intensified by the limited context…

Computation and Language · Computer Science 2025-09-08 Julius Neumann , Robert Lange , Yuni Susanti , Michael Färber

The detection of depression in social media posts is crucial due to the increasing prevalence of mental health issues. Traditional machine learning algorithms often fail to capture intricate textual patterns, limiting their effectiveness in…

Computation and Language · Computer Science 2024-10-01 Marios Kerasiotis , Loukas Ilias , Dimitris Askounis

This paper presents a novel end-to-end LLM-empowered explainable speech emotion recognition (SER) approach. Fine-grained speech emotion descriptor (SED) features, e.g., pitch, tone and emphasis, are disentangled from HuBERT SSL…

In this article, we propose using deep learning and transformer architectures combined with classical machine learning algorithms to detect and identify text anomalies in texts. Deep learning model provides a very crucial context…

Computation and Language · Computer Science 2022-11-28 Amir Jafari

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

Many machine learning tasks -- particularly those in affective computing -- are inherently subjective. When asked to classify facial expressions or to rate an individual's attractiveness, humans may disagree with one another, and no single…

Machine Learning · Computer Science 2022-11-24 Aneesha Sampath , Victoria Lin , Louis-Philippe Morency
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