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Related papers: Using Self-Organizing Maps for Sentiment Analysis

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This paper describes our deep learning-based approach to sentiment analysis in Twitter as part of SemEval-2016 Task 4. We use a convolutional neural network to determine sentiment and participate in all subtasks, i.e. two-point,…

Computation and Language · Computer Science 2016-09-12 Sebastian Ruder , Parsa Ghaffari , John G. Breslin

The classification of opinion texts in positive and negative is becoming a subject of great interest in sentiment analysis. The existence of many labeled opinions motivates the use of statistical and machine-learning methods. First-order…

Computation and Language · Computer Science 2013-03-05 Boyan Bonev , Gema Ramírez-Sánchez , Sergio Ortiz Rojas

Studies of functional MRI data are increasingly concerned with the estimation of differences in spatio-temporal networks across groups of subjects or experimental conditions. Unsupervised clustering and independent component analysis (ICA)…

Sentiment analysis is a research topic focused on analysing data to extract information related to the sentiment that it causes. Applications of sentiment analysis are wide, ranging from recommendation systems, and marketing to customer…

Machine Learning · Computer Science 2021-10-29 Vasco Lopes , António Gaspar , Luís A. Alexandre , João Cordeiro

Online consumer reviews play a crucial role in guiding purchase decisions by offering insights into product quality, usability, and performance. However, the increasing volume of user-generated reviews has led to information overload,…

Information Retrieval · Computer Science 2026-01-12 Muhammad Mufti , Omar Hammad , Mahfuzur Rahman

Sentiment polarity of tweets, blog posts or product reviews has become highly attractive and is utilized in recommender systems, market predictions, business intelligence and more. Deep learning techniques are becoming top performers on…

Computation and Language · Computer Science 2020-02-18 Erion Çano

So far different studies have tackled the sentiment analysis in several domains such as restaurant and movie reviews. But, this problem has not been studied in scholarly book reviews which is different in terms of review style and size. In…

Computation and Language · Computer Science 2016-03-07 Hussam Hamdan , Patrice Bellot , Frederic Bechet

Automatic sentiment analysis play vital role in decision making. Many organizations spend a lot of budget to understand their customer satisfaction by manually going over their feedback/comments or tweets. Automatic sentiment analysis can…

Computation and Language · Computer Science 2021-07-07 Mohammad Aimal , Maheen Bakhtyar , Junaid Baber , Sadia Lakho , Umar Mohammad , Warda Ahmed , Jahanvash Karim

Self-Organizing Map (SOM) is a neural network model which is used to obtain a topology-preserving mapping from the (usually high dimensional) input/feature space to an output/map space of fewer dimensions (usually two or three in order to…

Artificial Intelligence · Computer Science 2016-05-20 Gerasimos Spanakis , Gerhard Weiss

Social media platforms and online forums generate rapid and increasing amount of textual data. Businesses, government agencies, and media organizations seek to perform sentiment analysis on this rich text data. The results of these…

Computation and Language · Computer Science 2020-09-29 Muhammad Haroon Shakeel , Turki Alghamidi , Safi Faizullah , Imdadullah Khan

Networks, representing attitudinal survey data, expose the structure of opinion-based groups. We make use of these network projections to identify the groups reliably through community detection algorithms and to examine…

Physics and Society · Physics 2021-10-14 Alejandro Dinkelberg , David JP O'Sullivan , Michael Quayle , Pádraig MacCarron

Sentiment analysis, a vital component in natural language processing, plays a crucial role in understanding the underlying emotions and opinions expressed in textual data. In this paper, we propose an innovative ensemble approach for…

Computation and Language · Computer Science 2024-04-10 Mathivanan Periasamy , Rohith Mahadevan , Bagiya Lakshmi S , Raja CSP Raman , Hasan Kumar S , Jasper Jessiman

Understanding emotions in videos is a challenging task. However, videos contain several modalities which make them a rich source of data for machine learning and deep learning tasks. In this work, we aim to improve video sentiment…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Mehrshad Saadatinia , Minoo Ahmadi , Armin Abdollahi

Self-Organizing Maps (SOM) are a classical method for unsupervised learning, vector quantization, and topographic mapping of high-dimensional data. However, existing SOM formulations often involve a trade-off between computational…

Machine Learning · Computer Science 2026-04-16 Seiki Ubukata , Akira Notsu , Katsuhiro Honda

Document representation is the core of many NLP tasks on machine understanding. A general representation learned in an unsupervised manner reserves generality and can be used for various applications. In practice, sentiment analysis (SA)…

Machine Learning · Computer Science 2024-01-15 Hao-Ming Fu , Pu-Jen Cheng

Despite multimodal sentiment analysis being a fertile research ground that merits further investigation, current approaches take up high annotation cost and suffer from label ambiguity, non-amicable to high-quality labeled data acquisition.…

Computation and Language · Computer Science 2024-12-16 Jinhao Lin , Yifei Wang , Yanwu Xu , Qi Liu

Sentiment analysis is a text mining task that determines the polarity of a given text, i.e., its positiveness or negativeness. Recently, it has received a lot of attention given the interest in opinion mining in micro-blogging platforms.…

Computation and Language · Computer Science 2021-06-04 Eric S. Tellez , Sabino Miranda-Jiménez , Mario Graff , Daniela Moctezuma , Oscar S. Siodia , Elio A. Villaseñor

Sentiment analysis of online user generated content is important for many social media analytics tasks. Researchers have largely relied on textual sentiment analysis to develop systems to predict political elections, measure economic…

Computer Vision and Pattern Recognition · Computer Science 2015-09-22 Quanzeng You , Jiebo Luo , Hailin Jin , Jianchao Yang

Sentiment analysis is one of the fastest spreading research areas in computer science, making it challenging to keep track of all the activities in the area. We present a customer feedback reviews on product, where we utilize opinion…

Computation and Language · Computer Science 2020-07-07 Antony Samuels , John Mcgonical

Online discussion forums are widely used for active textual interaction between lecturers and students, and to see how the students have progressed in a learning process. The objective of this study is to compare appropriate…

Computers and Society · Computer Science 2024-02-06 H. Toba , Y. T. Hernita , M. Ayub , M. C. Wijanto