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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 application and usage of opinion mining, especially for business intelligence, product recommendation, targeted marketing etc. have fascinated many research attentions around the globe. Various research efforts attempted to mine…

Information Retrieval · Computer Science 2015-07-30 Ahmad Kamal

The whole world is changed rapidly and using the current technologies Internet becomes an essential need for everyone. Web is used in every field. Most of the people use web for a common purpose like online shopping, chatting etc. During an…

Information Retrieval · Computer Science 2014-08-19 Richa Sharma , Shweta Nigam , Rekha Jain

Mining financial text documents and understanding the sentiments of individual investors, institutions and markets is an important and challenging problem in the literature. Current approaches to mine sentiments from financial texts largely…

Information Retrieval · Computer Science 2018-11-28 Srikumar Krishnamoorthy

Web 2.0 services have enabled people to express their opinions, experience and feelings in the form of user-generated content. Sentiment analysis or opinion mining involves identifying, classifying and aggregating opinions as per their…

Information Retrieval · Computer Science 2013-09-17 Anuj Sharma , Shubhamoy Dey

Sentiment analysis (SA) is an emerging field in text mining. It is the process of computationally identifying and categorizing opinions expressed in a piece of text over different social media platforms. Social media plays an essential role…

Artificial Intelligence · Computer Science 2023-11-21 Sudhanshu Kumar , Partha Pratim Roy , Debi Prosad Dogra , Byung-Gyu Kim

Sentiment analysis is one of the most crucial tasks in Natural Language Processing (NLP), involving the training of machine learning models to classify text based on the polarity of opinions. Pre-trained Language Models (PLMs) can be…

Computation and Language · Computer Science 2025-01-16 Hong-Viet Tran , Van-Tan Bui , Lam-Quan Tran

The exponential growth of e-commerce platforms in Indonesia has generated a massive volume of user-generated product reviews. Analyzing the sentiment of these reviews is critical for measuring customer satisfaction and identifying product…

Recent research on explainable recommendation generally frames the task as a standard text generation problem, and evaluates models simply based on the textual similarity between the predicted and ground-truth explanations. However, this…

This work proposes an LSTM-based sentiment classification model with multi-head attention mechanism and TF-IDF optimization. Through the integration of TF-IDF feature extraction and multi-head attention, the model significantly improves…

Computation and Language · Computer Science 2025-03-12 Jingyuan Yi , Peiyang Yu , Tianyi Huang , Xiaochuan Xu

We consider the task of fine-grained sentiment analysis from the perspective of multiple instance learning (MIL). Our neural model is trained on document sentiment labels, and learns to predict the sentiment of text segments, i.e. sentences…

Computation and Language · Computer Science 2018-01-29 Stefanos Angelidis , Mirella Lapata

A movie that is thoroughly enjoyed and recommended by an individual might be hated by another. One characteristic of humans is the ability to have feelings which could be positive or negative. To automatically classify and study human…

Computation and Language · Computer Science 2022-04-22 Iyanuoluwa Shode , David Ifeoluwa Adelani , Anna Feldman

The field of natural language processing (NLP) has made significant progress with the rapid development of deep learning technologies. One of the research directions in text sentiment analysis is sentiment analysis of medical texts, which…

Computation and Language · Computer Science 2024-12-04 Yinan Chen

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,…

Computation and Language · Computer Science 2019-10-09 Manish Munikar , Sushil Shakya , Aakash Shrestha

Sentiment analysis is known as one of the most crucial tasks in the field of natural language processing and Convolutional Neural Network (CNN) is one of those prominent models that is commonly used for this aim. Although convolutional…

Computation and Language · Computer Science 2021-02-24 Hossein Sadr , Mozhdeh Nazari Solimandarabi , Mir Mohsen Pedram , Mohammad Teshnehlab

Target-oriented sentiment classification aims at classifying sentiment polarities over individual opinion targets in a sentence. RNN with attention seems a good fit for the characteristics of this task, and indeed it achieves the…

Computation and Language · Computer Science 2018-05-04 Xin Li , Lidong Bing , Wai Lam , Bei Shi

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

Sentiment analysis AKA opinion mining is one of the most widely used NLP applications to identify human intentions from their reviews. In the education sector, opinion mining is used to listen to student opinions and enhance their…

Computation and Language · Computer Science 2023-02-10 Thanveer Shaik , Xiaohui Tao , Christopher Dann , Haoran Xie , Yan Li , Linda Galligan

Transformer-based large-scale language models (LLMs) are able to generate highly realistic text. They are duly able to express, and at least implicitly represent, a wide range of sentiments and color, from the obvious, such as valence and…

Computation and Language · Computer Science 2023-07-06 Chris Gagne , Peter Dayan

In the post-pandemic era, the hotel industry plays a crucial role in economic recovery, with consumer sentiment increasingly influencing market trends. This study utilizes advanced natural language processing (NLP) and the BERT model to…

Computers and Society · Computer Science 2024-12-24 Ruochun Zhao , Yue Hao , Xuechen Li