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Code-mixing is the practice of alternating between two or more languages. Mostly observed in multilingual societies, its occurrence is increasing and therefore its importance. A major part of sentiment analysis research has been…

Computation and Language · Computer Science 2021-07-13 Siddharth Yadav , Tanmoy Chakraborty

The task of sentiment analysis of reviews is carried out using manually built / automatically generated lexicon resources of their own with which terms are matched with lexicon to compute the term count for positive and negative polarity.…

Computation and Language · Computer Science 2014-01-15 K Paramesha , K C Ravishankar

Existing Indonesian sentiment analysis models classify text in isolation, ignoring the topical context that often determines whether a statement is positive, negative, or neutral. We introduce IndoBERT-Sentiment, a context-conditioned…

Spontaneous speech emotion data usually contain perceptual grades where graders assign emotion score after listening to the speech files. Such perceptual grades introduce uncertainty in labels due to grader opinion variation. Grader…

Sound · Computer Science 2025-04-01 Vikramjit Mitra , Amrit Romana , Dung T. Tran , Erdrin Azemi

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

Text summarization and sentiment classification both aim to capture the main ideas of the text but at different levels. Text summarization is to describe the text within a few sentences, while sentiment classification can be regarded as a…

Computation and Language · Computer Science 2018-05-31 Shuming Ma , Xu Sun , Junyang Lin , Xuancheng Ren

We present a statistical parsing framework for sentence-level sentiment classification in this article. Unlike previous works that employ syntactic parsing results for sentiment analysis, we develop a statistical parser to directly analyze…

Computation and Language · Computer Science 2015-03-06 Li Dong , Furu Wei , Shujie Liu , Ming Zhou , Ke Xu

To maximize the accuracy and increase the overall acceptance of text classifiers, we propose a framework for the efficient, in-operation moderation of classifiers' output. Our framework focuses on use cases in which F1-scores of modern…

Machine Learning · Computer Science 2022-04-05 Jakob Smedegaard Andersen , Walid Maalej

In this paper, we explore the use of pre-trained language models to learn sentiment information of written texts for speech sentiment analysis. First, we investigate how useful a pre-trained language model would be in a 2-step pipeline…

Computation and Language · Computer Science 2021-06-15 Suwon Shon , Pablo Brusco , Jing Pan , Kyu J. Han , Shinji Watanabe

In many classification settings, the class of primary interest is underrepresented, leading to imbalanced data problems that arise in applications such as rare disease detection and fraud identification. In these contexts, identifying a…

Machine Learning · Statistics 2026-05-06 Daniel Fraiman , Ricardo Fraiman

Sentiment analysis (SA) is a process of identifying the emotional tone or polarity within a given text and aims to uncover the user's complex emotions and inner feelings. While sentiment analysis has been extensively studied for languages…

Machine Learning · Computer Science 2025-04-24 Hemal Mahmud , Hasan Mahmud , Mohammad Rifat Ahmmad Rashid

We propose an effective technique to solving review-level sentiment classification problem by using sentence-level polarity correction. Our polarity correction technique takes into account the consistency of the polarities (positive and…

Computation and Language · Computer Science 2015-11-10 Sylvester Olubolu Orimaye , Saadat M. Alhashmi , Eu-Gene Siew , Sang Jung Kang

Text classification has long been a staple within Natural Language Processing (NLP) with applications spanning across diverse areas such as sentiment analysis, recommender systems and spam detection. With such a powerful solution, it is…

Computation and Language · Computer Science 2021-12-06 Amir Atapour-Abarghouei , Stephen Bonner , Andrew Stephen McGough

This paper discusses the design of the system used for providing a solution for the problem given at SemEval-2020 Task 9 where sentiment analysis of code-mixed language Hindi and English needed to be performed. This system uses Weka as a…

Computation and Language · Computer Science 2020-08-27 Gaurav Singh

Multi-label sentiment classification plays a vital role in natural language processing by detecting multiple emotions within a single text. However, existing datasets like GoEmotions often suffer from severe class imbalance, which hampers…

Computation and Language · Computer Science 2026-03-31 Zijin Su , Huanzhu Lyu , Yuren Niu , Yiming Liu

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

Sentiment Analysis for Indian Languages (SAIL)-Code Mixed tools contest aimed at identifying the sentence level sentiment polarity of the code-mixed dataset of Indian languages pairs (Hi-En, Ben-Hi-En). Hi-En dataset is henceforth referred…

Computation and Language · Computer Science 2018-08-13 Pruthwik Mishra , Prathyusha Danda , Pranav Dhakras

Multilingual speakers often switch between languages to express themselves on social communication platforms. Sometimes, the original script of the language is preserved, while using a common script for all the languages is quite popular as…

Computation and Language · Computer Science 2018-03-19 Soumil Mandal , Dipankar Das

Central bank communication plays a critical role in shaping economic expectations and monetary policy effectiveness. This study applies supervised machine learning techniques to classify the sentiment of press releases from the Bank of…

Machine Learning · Computer Science 2025-03-31 Stefano Grassi

Sentiment Analysis refers to the study of systematically extracting the meaning of subjective text . When analysing sentiments from the subjective text using Machine Learning techniques,feature extraction becomes a significant part. We…

Computation and Language · Computer Science 2019-06-05 Avinash Madasu , Sivasankar E