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相关论文: Enhancing Sentiment Analysis Results through Outli…

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In many applications, when building linear regression models, it is important to account for the presence of outliers, i.e., corrupted input data points. Such problems can be formulated as mixed-integer optimization problems involving cubic…

最优化与控制 · 数学 2023-07-13 Andrés Gómez , José Neto

Recent research leverages large language models (LLMs) for early mental health detection, such as depression, often optimized with machine-generated data. However, their detection may be subject to unknown weaknesses. Meanwhile, quality…

计算与语言 · 计算机科学 2025-05-26 Zongru Shao , Xin Wang , Zhanyang Liu , Chenhan Wang , K. P. Subbalakshmi

Outlier detection is a core task in data mining with a plethora of algorithms that have enjoyed wide scale usage. Existing algorithms are primarily focused on detection, that is the identification of outliers in a given dataset. In this…

机器学习 · 计算机科学 2019-11-11 Yue Wu , Leman Akoglu , Ian Davidson

Effectively analyzing the comments to uncover latent intentions holds immense value in making strategic decisions across various domains. However, several challenges hinder the process of sentiment analysis including the lexical diversity…

计算与语言 · 计算机科学 2025-06-27 Md. Mostafizer Rahman , Ariful Islam Shiplu , Yutaka Watanobe , Md. Ashad Alam

The use of large pretrained neural networks to create contextualized word embeddings has drastically improved performance on several natural language processing (NLP) tasks. These computationally expensive models have begun to be applied to…

计算机与社会 · 计算机科学 2019-12-03 Benjamin Clavié , Kobi Gal

Sentiment analysis is an essential part of text analysis, which is a larger field that includes determining and evaluating the author's emotional state. This method is essential since it makes it easier to comprehend consumers' feelings,…

计算与语言 · 计算机科学 2025-10-03 Sumaiya Tabassum

Emotion recognition in conversations (ERC) focuses on identifying emotion shifts within interactions, representing a significant step toward advancing machine intelligence. However, ERC data remains scarce, and existing datasets face…

人工智能 · 计算机科学 2025-08-08 Burak Can Kaplan , Hugo Cesar De Castro Carneiro , Stefan Wermter

Domain-adapted sentiment classification refers to training on a labeled source domain to well infer document-level sentiment on an unlabeled target domain. Most existing relevant models involve a feature extractor and a sentiment…

计算与语言 · 计算机科学 2020-02-06 Qianming Xue , Wei Zhang , Hongyuan Zha

Labelling a large quantity of social media data for the task of supervised machine learning is not only time-consuming but also difficult and expensive. On the other hand, the accuracy of supervised machine learning models is strongly…

计算与语言 · 计算机科学 2022-11-08 Sumana Biswas , Karen Young , Josephine Griffith

Outliers have been widely observed in Large Language Models (LLMs), significantly impacting model performance and posing challenges for model compression. Understanding the functionality and formation mechanisms of these outliers is…

计算与语言 · 计算机科学 2025-02-27 Yongqi An , Xu Zhao , Tao Yu , Ming Tang , Jinqiao Wang

Sentiment analysis (SA), is an approach of natural language processing (NLP) for determining a text's emotional tone by analyzing subjective information such as views, feelings, and attitudes toward specific topics, products, services,…

计算与语言 · 计算机科学 2024-07-18 Indranil Bandyopadhyay , Rahul Karmakar

Metric-based summary statistics such as mean and covariance have been introduced in neural spike train space. They can properly describe template and variability in spike train data, but are often sensitive to outliers and expensive to…

应用统计 · 统计学 2023-11-27 Xinyu Zhou , Wei Wu

Sentiment classification is an important process in understanding people's perception towards a product, service, or topic. Many natural language processing models have been proposed to solve the sentiment classification problem. However,…

计算与语言 · 计算机科学 2019-10-09 Manish Munikar , Sushil Shakya , Aakash Shrestha

This paper introduces a multi-label visual emotion analysis benchmark dataset for comprehensively evaluating the ability of multimodal large language models (MLLMs) to predict the emotions evoked by images. Recent user studies report an…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Tianwei Chen , Takuya Furusawa , Yuki Hirakawa , Ryotaro Shimizu , Mo Fan , Takashi Wada

In order to allow machine learning algorithms to extract knowledge from raw data, these data must first be cleaned, transformed, and put into machine-appropriate form. These often very time-consuming phase is referred to as preprocessing.…

机器学习 · 计算机科学 2021-11-19 David Cemernek

Speech emotion recognition (SER) has been a challenging problem in spoken language processing research, because it is unclear how human emotions are connected to various components of sounds such as pitch, loudness, and energy. This paper…

音频与语音处理 · 电气工程与系统科学 2025-09-03 Tai Vu

Euclidean embedding from noisy observations containing outlier errors is an important and challenging problem in statistics and machine learning. Many existing methods would struggle with outliers due to a lack of detection ability. In this…

机器学习 · 统计学 2020-12-24 Qian Zhang , Xinyuan Zhao , Chao Ding

Large Language Models (LLMs) have rapidly become central to NLP, demonstrating their ability to adapt to various tasks through prompting techniques, including sentiment analysis. However, we still have a limited understanding of how these…

We investigate cross-lingual sentiment analysis, which has attracted significant attention due to its applications in various areas including market research, politics and social sciences. In particular, we introduce a sentiment analysis…

机器学习 · 计算机科学 2022-02-08 Selim F. Yilmaz , E. Batuhan Kaynak , Aykut Koç , Hamdi Dibeklioğlu , Suleyman S. Kozat

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…

计算与语言 · 计算机科学 2026-01-08 Feng Chen , Dror Ben-Zeev , Gillian Sparks , Arya Kadakia , Trevor Cohen