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Sentiment analysis or opinion mining help to illustrate the phrase NLP (Natural Language Processing). Sentiment analysis has been the most significant topic in recent years. The goal of this study is to solve the sentiment polarity…

Computation and Language · Computer Science 2023-07-06 Fatema Tuz Zohra Anny , Oahidul Islam

The evaluative character of a word is called its semantic orientation. Positive semantic orientation indicates praise (e.g., "honest", "intrepid") and negative semantic orientation indicates criticism (e.g., "disturbing", "superfluous").…

Computation and Language · Computer Science 2007-05-23 Peter D. Turney , Michael L. Littman

Lexicon-based approaches to sentiment analysis of text are based on each word or lexical entry having a pre-defined weight indicating its sentiment polarity. These are usually manually assigned but the accuracy of these when compared…

Computation and Language · Computer Science 2023-11-13 Siddhant Jaydeep Mahajani , Shashank Srivastava , Alan F. Smeaton

The presented work aims at generating a systematically annotated corpus that can support the enhancement of sentiment analysis tasks in Telugu using word-level sentiment annotations. From OntoSenseNet, we extracted 11,000 adjectives, 253…

Computation and Language · Computer Science 2018-07-05 Sreekavitha Parupalli , Vijjini Anvesh Rao , Radhika Mamidi

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

Sentiment Analysis aims to get the underlying viewpoint of the text, which could be anything that holds a subjective opinion, such as an online review, Movie rating, Comments on Blog posts etc. This paper presents a novel approach that…

Information Retrieval · Computer Science 2014-06-10 Rahul Tejwani

Sentiment Classification is a fundamental task in the field of Natural Language Processing, and has very important academic and commercial applications. It aims to automatically predict the degree of sentiment present in a text that…

Computation and Language · Computer Science 2023-03-17 Lautaro Estienne , Matias Vera , Leonardo Rey Vega

Term weighting metrics assign weights to terms in order to discriminate the important terms from the less crucial ones. Due to this characteristic, these metrics have attracted growing attention in text classification and recently in…

Computation and Language · Computer Science 2016-10-12 Hussam Hamdan , Patrice Bellot , Frederic Bechet

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

This study implements a vector space model approach to measure the sentiment orientations of words. Two representative vectors for positive/negative polarity are constructed using high-dimensional vec-tor space in both an unsupervised and a…

Computation and Language · Computer Science 2018-01-03 Youngsam Kim , Hyopil Shin

Sentiment analysis is one of the most widely used techniques in text analysis. Recent advancements with Large Language Models have made it more accurate and accessible than ever, allowing researchers to classify text with only a plain…

Computation and Language · Computer Science 2024-05-07 Michael Burnham

Sentiments expressed in user-generated short text and sentences are nuanced by subtleties at lexical, syntactic, semantic and pragmatic levels. To address this, we propose to augment traditional features used for sentiment analysis and…

Computation and Language · Computer Science 2017-01-23 Abhijit Mishra , Diptesh Kanojia , Seema Nagar , Kuntal Dey , Pushpak Bhattacharyya

Sentiment analysis is a natural language processing task that aims to identify and extract the emotional aspects of a text. However, many existing sentiment analysis methods primarily classify the overall polarity of a text, overlooking the…

Computation and Language · Computer Science 2024-07-30 Mahdi Rezapour

Curriculum Learning (CL) is the idea that learning on a training set sequenced or ordered in a manner where samples range from easy to difficult, results in an increment in performance over otherwise random ordering. The idea parallels…

Computation and Language · Computer Science 2020-07-23 Vijjini Anvesh Rao , Kaveri Anuranjana , Radhika Mamidi

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

This paper describes a weakly supervised system for sentiment analysis in the movie review domain. The objective is to classify a movie review into a polarity class, positive or negative, based on those sentences bearing opinion on the…

Information Retrieval · Computer Science 2012-09-19 Subhabrata Mukherjee , Pushpak Bhattacharyya

The problem of aspect-based sentiment analysis deals with classifying sentiments (negative, neutral, positive) for a given aspect in a sentence. A traditional sentiment classification task involves treating the entire sentence as a text…

Computation and Language · Computer Science 2018-05-08 Amlaan Bhoi , Sandeep Joshi

Current approaches to cross-lingual sentiment analysis try to leverage the wealth of labeled English data using bilingual lexicons, bilingual vector space embeddings, or machine translation systems. Here we show that it is possible to use a…

Computation and Language · Computer Science 2017-10-25 Mohamed Abdalla , Graeme Hirst

Aspect-based sentiment analysis aims to identify the sentiment polarity of a specific aspect in product reviews. We notice that about 30% of reviews do not contain obvious opinion words, but still convey clear human-aware sentiment…

Computation and Language · Computer Science 2021-11-04 Zhengyan Li , Yicheng Zou , Chong Zhang , Qi Zhang , Zhongyu Wei

Aspect-based sentiment analysis of review texts is of great value for understanding user feedback in a fine-grained manner. It has in general two sub-tasks: (i) extracting aspects from each review, and (ii) classifying aspect-based reviews…

Computation and Language · Computer Science 2020-10-15 Jiaxin Huang , Yu Meng , Fang Guo , Heng Ji , Jiawei Han