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In this paper we describe our attempt at producing a state-of-the-art Twitter sentiment classifier using Convolutional Neural Networks (CNNs) and Long Short Term Memory (LSTMs) networks. Our system leverages a large amount of unlabeled data…

Computation and Language · Computer Science 2017-04-21 Mathieu Cliche

While existing Aspect-based Sentiment Analysis (ABSA) has received extensive effort and advancement, there are still gaps in defining a more holistic research target seamlessly integrating multimodality, conversation context,…

Computation and Language · Computer Science 2024-09-10 Meng Luo , Hao Fei , Bobo Li , Shengqiong Wu , Qian Liu , Soujanya Poria , Erik Cambria , Mong-Li Lee , Wynne Hsu

Most recent existing aspect-term level sentiment analysis (ATSA) approaches combined various neural network models with delicately carved attention mechanisms built upon given aspect and context to generate refined sentence representations…

Computation and Language · Computer Science 2020-01-22 Chi Xu , Hao Feng , Guoxin Yu , Min Yang , Xiting Wang , Xiang Ao

Research on understanding emotions in written language continues to expand, especially for understudied languages with distinctive regional expressions and cultural features, such as Bangla. This study examines emotion analysis using 22,698…

Computation and Language · Computer Science 2025-06-13 Bidyarthi Paul , SM Musfiqur Rahman , Dipta Biswas , Md. Ziaul Hasan , Md. Zahid Hossain

Graph Convolutional Networks (GCN) have achieved state-of-art results on single text classification tasks like sentiment analysis, emotion detection, etc. However, the performance is achieved by testing and reporting on resource-rich…

Computation and Language · Computer Science 2022-05-04 Mounika Marreddy , Subba Reddy Oota , Lakshmi Sireesha Vakada , Venkata Charan Chinni , Radhika Mamidi

The emergence and global adoption of social media has rendered possible the real-time estimation of population-scale sentiment, bearing profound implications for our understanding of human behavior. Given the growing assortment of sentiment…

Computation and Language · Computer Science 2016-09-08 Andrew J. Reagan , Brian Tivnan , Jake Ryland Williams , Christopher M. Danforth , Peter Sheridan Dodds

Many approaches to sentiment analysis rely on lexica where words are tagged with their prior polarity - i.e. if a word out of context evokes something positive or something negative. In particular, broad-coverage resources like SentiWordNet…

Computation and Language · Computer Science 2012-12-19 Lorenzo Gatti , Marco Guerini

In this paper, we introduce UniSent universal sentiment lexica for $1000+$ languages. Sentiment lexica are vital for sentiment analysis in absence of document-level annotations, a very common scenario for low-resource languages. To the best…

Computation and Language · Computer Science 2019-12-02 Ehsaneddin Asgari , Fabienne Braune , Benjamin Roth , Christoph Ringlstetter , Mohammad R. K. Mofrad

Detecting emotions from text is an extension of simple sentiment polarity detection. Instead of considering only positive or negative sentiments, emotions are conveyed using more tangible manner; thus, they can be expressed as many shades…

Computation and Language · Computer Science 2019-07-19 Md. Ataur Rahman , Md. Hanif Seddiqui

Contrastive learning techniques have been widely used in the field of computer vision as a means of augmenting datasets. In this paper, we extend the use of these contrastive learning embeddings to sentiment analysis tasks and demonstrate…

Computation and Language · Computer Science 2021-12-03 Ipsita Mohanty , Ankit Goyal , Alex Dotterweich

Sentiment analysis (SA) using code-mixed data from social media has several applications in opinion mining ranging from customer satisfaction to social campaign analysis in multilingual societies. Advances in this area are impeded by the…

Computation and Language · Computer Science 2016-11-03 Ameya Prabhu , Aditya Joshi , Manish Shrivastava , Vasudeva Varma

Sentiment Analysis (SA) is an action research area in the digital age. With rapid and constant growth of online social media sites and services, and the increasing amount of textual data such as - statuses, comments, reviews etc. available…

Computation and Language · Computer Science 2016-11-28 A. Hassan , M. R. Amin , N. Mohammed , A. K. A. Azad

Due to the high impact of the fast-evolving fields of machine learning and deep learning, Natural Language Processing (NLP) tasks have further obtained comprehensive performances for highly resourced languages such as English and Chinese.…

Computation and Language · Computer Science 2020-11-17 Lahiru Senevirathne , Piyumal Demotte , Binod Karunanayake , Udyogi Munasinghe , Surangika Ranathunga

SentiWordNet is an important lexical resource supporting sentiment analysis in opinion mining applications. In this paper, we propose a novel approach to construct a Vietnamese SentiWordNet (VSWN). SentiWordNet is typically generated from…

Computation and Language · Computer Science 2014-12-30 Xuan-Son Vu , Seong-Bae Park

This article presents the creation of an Estonian-language dataset for document-level subjectivity, analyzes the resulting annotations, and reports an initial experiment of automatic subjectivity analysis using a large language model (LLM).…

Computation and Language · Computer Science 2025-12-11 Karl Gustav Gailit , Kadri Muischnek , Kairit Sirts

When performing Polarity Detection for different words in a sentence, we need to look at the words around to understand the sentiment. Massively pretrained language models like BERT can encode not only just the words in a document but also…

Computation and Language · Computer Science 2020-11-25 Natesh Reddy , Pranaydeep Singh , Muktabh Mayank Srivastava

In the last few years thousands of scientific papers have investigated sentiment analysis, several startups that measure opinions on real data have emerged and a number of innovative products related to this theme have been developed. There…

Computation and Language · Computer Science 2016-07-18 Filipe Nunes Ribeiro , Matheus Araújo , Pollyanna Gonçalves , Fabrício Benevenuto , Marcos André Gonçalves

Emojis are being frequently used in todays digital world to express from simple to complex thoughts more than ever before. Hence, they are also being used in sentiment analysis and targeted marketing campaigns. In this work, we performed…

Computation and Language · Computer Science 2025-02-20 Sirisha Velampalli , Chandrashekar Muniyappa , Ashutosh Saxena

Sentiment analysis on user reviews helps to keep track of user reactions towards products, and make advices to users about what to buy. State-of-the-art review-level sentiment classification techniques could give pretty good precisions of…

Computation and Language · Computer Science 2015-02-12 Yongfeng Zhang , Min Zhang , Yiqun Liu , Shaoping Ma

Sentiment analysis is often a crowdsourcing task prone to subjective labels given by many annotators. It is not yet fully understood how the annotation bias of each annotator can be modeled correctly with state-of-the-art methods. However,…