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A Perspective on Sentiment Analysis

open access: yesCoRR, 2016
Opinion;Feature Engineering; Sentiment;Subjective Sentence;Objective;Contextual Polarity;Sentiment Lexicon;Classification;Machine ...
K. Paramesha, K. C. Ravishankar
openaire   +2 more sources

Multilevel Sentiment Analysis In Arabic [PDF]

open access: yes2019 IEEE 7th Palestinian International Conference on Electrical and Computer Engineering (PICECE), 2019
In this study, we aimed to improve the performance results of Arabic sentiment analysis. This can be achieved by investigating the most successful machine learning method and the most useful feature vector to classify sentiments in both term and document levels into two (positive or negative) categories.
Ahmed Nassar 0002, Ebru Akcapinar Sezer
openaire   +2 more sources

Sentiment Analysis for Exploratory Data Analysis

open access: yesThe Programming Historian, 2018
In this lesson you will learn to conduct 'sentiment analysis' on texts and to interpret the results. This is a form of exploratory data analysis based on natural language processing.
Zoë Wilkinson Saldaña
doaj  

Enhancing implicit sentiment analysis via knowledge enhancement and context information

open access: yesComplex & Intelligent Systems
Sentiment analysis (SA) is a vital research direction in natural language processing (NLP). Compared with the widely-concerned explicit sentiment analysis, implicit sentiment analysis (ISA) is more challenging and rarely studied due to the lack of ...
Yanying Mao, Qun Liu, Yu Zhang
doaj   +1 more source

Creating an Annotated Corpus for Aspect-Based Sentiment Analysis in Swedish

open access: yesDigital Humanities in the Nordic and Baltic Countries Publications, 2020
Aspect-Based Sentiment Analysis constitutes a more fine-grained alternative to traditional sentiment analysis at sentence level. In addition to a sentiment value denoting how positive or negative a particular opinion or sentiment expression is, it ...
Jacobo Rouces   +2 more
doaj   +1 more source

Sentiment Analysis: A Survey

open access: yesCoRR, 2014
Sentiment analysis (also known as opinion mining) refers to the use of natural language processing, text analysis and computational linguistics to identify and extract subjective information in source materials. Mining opinions expressed in the user generated content is a challenging yet practically very useful problem.
openaire   +2 more sources

Sentiment Analysis in the News

open access: yesProceedings of the Language Resources and Evaluation Conference, 2010
Recent years have brought a significant growth in the volume of research in sentiment analysis, mostly on highly subjective text types (movie or product reviews). The main difference these texts have with news articles is that their target is clearly defined and unique across the text.
Alexandra Balahur   +7 more
openaire   +3 more sources

Deep Bidirectional LSTM Network Learning-Based Sentiment Analysis for Arabic Text

open access: yesJournal of Intelligent Systems, 2020
Sentiment analysis aims to predict sentiment polarities (positive, negative or neutral) of a given piece of text. It lies at the intersection of many fields such as Natural Language Processing (NLP), Computational Linguistics, and Data Mining. Sentiments
Elfaik Hanane, Nfaoui El Habib
doaj   +1 more source

Adaptive sentiment analysis [PDF]

open access: yes, 2019
Domain dependency is one of the most challenging problems in the field of sentiment analysis. Although most sentiment analysis methods have decent performance if they are targeted at a specific domain and writing style, they do not usually work well with texts that are originated outside of their domain boundaries.
openaire   +2 more sources

A Training-Optimization-Based Method for Constructing Domain-Specific Sentiment Lexicon

open access: yesComplexity, 2021
Sentiment analysis has been widely used in text mining of social media to discover valuable information from user reviews. Sentiment lexicon is an essential tool for sentiment analysis.
Maokang Du, Xiaoguang Li, Longyan Luo
doaj   +1 more source

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