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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

Sentiment analysis of Twitter data is performed. The researcher has made the following contributions via this paper: (1) an innovative method for deriving sentiment score dictionaries using an existing sentiment dictionary as seed words is…

Computation and Language · Computer Science 2015-02-19 Matthew Mayo

Sentiment classification, a complex task in natural language processing, becomes even more challenging when analyzing passages with multiple conflicting tones. Typically, longer passages exacerbate this issue, leading to decreased model…

Machine Learning · Computer Science 2025-05-13 Jan Kościałkowski , Paweł Marcinkowski

Sentiment analysis is a domain of study that focuses on identifying and classifying the ideas expressed in the form of text into positive, negative and neutral polarities. Feature selection is a crucial process in machine learning. In this…

Computation and Language · Computer Science 2020-02-04 Avinash Madasu , Sivasankar E

Analysis of information retrieved from microblogging services such as Twitter can provide valuable insight into public sentiment in a geographic region. This insight can be enriched by visualising information in its geographic context. Two…

Computation and Language · Computer Science 2016-11-18 Vu Dung Nguyen , Blesson Varghese , Adam Barker

Automatic identification of emotions expressed in Twitter data has a wide range of applications. We create a well-balanced dataset by adding a neutral class to a benchmark dataset consisting of four emotions: fear, sadness, joy, and anger.…

Computation and Language · Computer Science 2022-08-10 Ionuţ-Alexandru Albu , Stelian Spînu

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…

Computation and Language · Computer Science 2022-11-08 Sumana Biswas , Karen Young , Josephine Griffith

One of the most significant issues as attended a lot in recent years is that of recognizing the sentiments and emotions in social media texts. The analysis of sentiments and emotions is intended to recognize the conceptual information such…

Machine Learning · Computer Science 2025-03-27 Bahareh Golchin , Noushin Riahi

Sentiment analysis aims to uncover emotions conveyed through information. In its simplest form, it is performed on a polarity basis, where the goal is to classify information with positive or negative emotion. Recent research has explored…

Computation and Language · Computer Science 2017-10-12 Giannis Haralabopoulos , Elena Simperl

Sentiment classification involves quantifying the affective reaction of a human to a document, media item or an event. Although researchers have investigated several methods to reliably infer sentiment from lexical, speech and body language…

Information Retrieval · Computer Science 2018-06-11 Rahul Gupta , Saurabh Sahu , Carol Espy-Wilson , Shrikanth Narayanan

Recently, sentiment analysis has received a lot of attention due to the interest in mining opinions of social media users. Sentiment analysis consists in determining the polarity of a given text, i.e., its degree of positiveness or…

Computation and Language · Computer Science 2016-12-19 Eric S. Tellez , Sabino Miranda Jiménez , Mario Graff , Daniela Moctezuma , Ranyart R. Suárez , Oscar S. Siordia

In this paper, we present an experiment on using deep learning and transfer learning techniques for emotion analysis in tweets and suggest a method to interpret our deep learning models. The proposed approach for emotion analysis combines a…

Computation and Language · Computer Science 2020-12-14 Yasas Senarath , Uthayasanker Thayasivam

Analysing sentiment of tweets is important as it helps to determine the users' opinion. Knowing people's opinion is crucial for several purposes starting from gathering knowledge about customer base, e-governance, campaigning and many more.…

Computation and Language · Computer Science 2016-11-30 Lahari Poddar , Kishaloy Halder , Xianyan Jia

Sentiment analysis is the Natural Language Processing (NLP) task dealing with the detection and classification of sentiments in texts. While some tasks deal with identifying the presence of sentiment in the text (Subjectivity analysis),…

Computation and Language · Computer Science 2017-07-06 Souvick Ghosh , Satanu Ghosh , Dipankar Das

Recent approaches for sentiment lexicon induction have capitalized on pre-trained word embeddings that capture latent semantic properties. However, embeddings obtained by optimizing performance of a given task (e.g. predicting contextual…

Computation and Language · Computer Science 2017-01-09 Silvio Amir , Rámon Astudillo , Wang Ling , Paula C. Carvalho , Mário J. Silva

We propose a neural machine translation (NMT) approach that, instead of pursuing adequacy and fluency ("human-oriented" quality criteria), aims to generate translations that are best suited as input to a natural language processing…

Computation and Language · Computer Science 2019-10-02 Amirhossein Tebbifakhr , Luisa Bentivogli , Matteo Negri , Marco Turchi

The performance of sentiment analysis methods has greatly increased in recent years. This is due to the use of various models based on the Transformer architecture, in particular BERT. However, deep neural network models are difficult to…

Computation and Language · Computer Science 2021-11-22 Anastasia Kotelnikova , Danil Paschenko , Klavdiya Bochenina , Evgeny Kotelnikov

Creating sentiment polarity lexicons is labor intensive. Automatically translating them from resourceful languages requires in-domain machine translation systems, which rely on large quantities of bi-texts. In this paper, we propose to…

Computation and Language · Computer Science 2016-12-16 Mickael Rouvier , Benoit Favre

Domain adaptation is important in sentiment analysis as sentiment-indicating words vary between domains. Recently, multi-domain adaptation has become more pervasive, but existing approaches train on all available source domains including…

Computation and Language · Computer Science 2017-02-09 Sebastian Ruder , Parsa Ghaffari , John G. Breslin

The exponential growth of social media has created an urgent need for automated systems to analyze unstructured public sentiment in real time. This study compares a traditional Logistic Regression model using TF-IDF features with a deep…

Computation and Language · Computer Science 2026-05-07 Vita Anggraini , Cintya Bella , Bastian , Luluk Muthoharoh , Ardika Satria , Martin C. T. Manullang