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The congruence between affective experiences and physiological changes has been a debated topic for centuries. Recent technological advances in measurement and data analysis provide hope to solve this epic challenge. Open science and open…

Machine Learning · Computer Science 2023-12-27 Felix Dollack , Kiyoshi Kiyokawa , Huakun Liu , Monica Perusquia-Hernandez , Chirag Raman , Hideaki Uchiyama , Xin Wei

Fusing outputs from automatic speaker verification (ASV) and spoofing countermeasure (CM) is expected to make an integrated system robust to zero-effort imposters and synthesized spoofing attacks. Many score-level fusion methods have been…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-25 Xin Wang , Tomi Kinnunen , Kong Aik Lee , Paul-Gauthier Noé , Junichi Yamagishi

As more and more internet users post images online to express their daily emotions, image sentiment analysis has attracted increasing attention. Recently, researchers generally tend to design different neural networks to extract visual…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Bin Feng , Shulan Ruan , Mingzheng Yang , Dongxuan Han , Huijie Liu , Kai Zhang , Qi Liu

Often, there are suspicious Amazon reviews that seem to be excessively positive or have been created through a repeating algorithm. I moved to detect fake reviews on Amazon through semantic analysis in conjunction with meta data such as…

Computers and Society · Computer Science 2020-09-22 Seung Ah Choi

With the increasing prevalence of multimodal content on social media, sentiment analysis faces significant challenges in effectively processing heterogeneous data and recognizing multi-label emotions. Existing methods often lack effective…

Computation and Language · Computer Science 2025-08-26 Xilai Xu , Zilin Zhao , Chengye Song , Zining Wang , Jinhe Qiang , Jiongrui Yan , Yuhuai Lin

This paper discusses the results obtained for different techniques applied for performing the sentiment analysis of social media (Twitter) code-mixed text written in Hinglish. The various stages involved in performing the sentiment analysis…

Computation and Language · Computer Science 2021-02-25 Gaurav Singh

We estimate sentiment categories proportions for retrieval within large retrieval sets. In general, estimates are produced by counting the classification outcomes and then by adjusting such category sizes taking into account…

Information Retrieval · Computer Science 2016-10-06 Giambattista Amati , Simone Angelini , Marco Bianchi , Luca Costantini , Giuseppe Marcone

The rise of social media such as blogs and social networks has fueled interest in sentiment analysis. With the proliferation of reviews, ratings, recommendations and other forms of online expression, online opinion has turned into a kind of…

Computation and Language · Computer Science 2015-05-13 Hossam S. Ibrahim , Sherif M. Abdou , Mervat Gheith

Past work that improves document-level sentiment analysis by encoding user and product information has been limited to considering only the text of the current review. We investigate incorporating additional review text available at the…

Computation and Language · Computer Science 2020-11-19 Chenyang Lyu , Jennifer Foster , Yvette Graham

Ensemble learning is characterized by flexibility, high precision, and refined structure. As a critical component within computational finance, option pricing with machine learning requires both high predictive accuracy and reduced…

Machine Learning · Computer Science 2025-06-09 Zeyuan Li , Qingdao Huang

Ensemble techniques have demonstrated remarkable success in improving predictive performance across various domains by aggregating predictions from multiple models [1]. In the realm of recommender systems, this research explores the…

Information Retrieval · Computer Science 2024-07-09 Zainil Mehta , Tobias Vente

The Efficient Market Hypothesis (EMH) highlights the essence of financial news in stock price movement. Financial news comes in the form of corporate announcements, news titles, and other forms of digital text. The generation of insights…

Machine Learning · Computer Science 2024-12-16 Abraham Atsiwo

This research introduces a novel methodology for optimizing Bayesian Neural Networks (BNNs) by synergistically integrating them with traditional machine learning algorithms such as Random Forests (RF), Gradient Boosting (GB), and Support…

Machine Learning · Computer Science 2023-10-10 Peiwen Tan

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

An ensemble method that fuses the output decision vectors of multiple feedforward-designed convolutional neural networks (FF-CNNs) to solve the image classification problem is proposed in this work. To enhance the performance of the…

Computer Vision and Pattern Recognition · Computer Science 2019-01-09 Yueru Chen , Yijing Yang , Wei Wang , C. -C. Jay Kuo

Recently, sentiment-aware pre-trained language models (PLMs) demonstrate impressive results in downstream sentiment analysis tasks. However, they neglect to evaluate the quality of their constructed sentiment representations; they just…

Computation and Language · Computer Science 2024-04-02 Jaemin Kim , Yohan Na , Kangmin Kim , Sang Rak Lee , Dong-Kyu Chae

The rise of large language models (LLMs) has enabled the generation of highly persuasive spam reviews that closely mimic human writing. These reviews pose significant challenges for existing detection systems and threaten the credibility of…

Computation and Language · Computer Science 2026-04-21 Xin Liu , Rongwu Xu , Xinyi Jia , Jason Liao , Jiao Sun , Ling Huang , Wei Xu

Today's business ecosystem has become very competitive. Customer satisfaction has become a major focus for business growth. Business organizations are spending a lot of money and human resources on various strategies to understand and…

Computation and Language · Computer Science 2021-10-05 Md. Taufiqul Haque Khan Tusar , Md. Touhidul Islam

Image captioning creates informative text from an input image by creating a relationship between the words and the actual content of an image. Recently, deep learning models that utilize transformers have been the most successful in…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Israa Al Badarneh , Bassam Hammo , Omar Al-Kadi

Fraud detection is extremely critical for e-commerce business. It is the intent of the companies to detect and prevent fraud as early as possible. Existing fraud detection methods try to identify unexpected dense subgraphs and treat related…

Machine Learning · Computer Science 2020-11-09 Yuxiang Ren , Hao Zhu , Jiawei Zhang , Peng Dai , Liefeng Bo