Sentiment analysis - PowerPoint PPT Presentation


Text Mining

Text mining and its challenges, explore different techniques and tools, and see a case study using Python for sentiment analysis and text classification.

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Shifting Political Sentiment in Gauteng: Analysis & Insights

Examining 2021 local government election turnout trends in Gauteng & impact on major political parties. Longitudinal & spatial analysis of voting patterns. Unpacking reasons for voter behavior shifts. Media narratives vs. political nuances.

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Recent Advances in Large Language Models: A Comprehensive Overview

Large Language Models (LLMs) are sophisticated deep learning algorithms capable of understanding and generating human language. These models, trained on massive datasets, excel at various natural language processing tasks such as sentiment analysis, text classification, natural language inference, s

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Expert Strategies for Currency Exchange in 2024

In 2024, expert currency traders are employing advanced strategies like algorithmic trading, sentiment analysis, cross-currency arbitrage, carry trades, and macroeconomic forecasting. By leveraging technology and market insights, these strategies aim to capitalize on opportunities and mitigate risks

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Web Scraping Food Reviews Data & Sentiment Analysis– A Comprehensive Guide

Unlock insights from web scraping food reviews data. Dive deep into sentiment analysis for informed decision-making.\n\nknow more>>\/\/ \/web-scraping-food-reviews-data-analysis.php \n

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Web Scraping Food Reviews Data & Sentiment Analysis– A Comprehensive Guide

Unlock insights from web scraping food reviews data. Dive deep into sentiment analysis for informed decision-making.\n\nknow more>>\/\/ \/web-scraping-food-reviews-data-analysis.php \n

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Market Insights for Outbound Travel Sentiment in Korea

The market situation in Korea provides valuable insights into outbound travel sentiment during the Chuseok Holidays. With a focus on Hawaii/Maui, the analysis covers economic factors, air seat availability, and competitive landscape, shedding light on consumer behavior and travel preferences.

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How Does Movie Reviews Data Scraping Help in Sentiment Analysis (2)

Movie reviews data scraping provides a vast dataset for sentiment analysis, offering insights into audience opinions and reactions effectively.\n\nknow more>>\/\/ \/movie-reviews-data-scraping-help-in-analysis.php\n\n

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How to Do Web Scraping and Sentiment Analysis of Customer Reviews

\nWeb Scraping and Sentiment Analysis of Customer Reviews assesses sentiment. Combined, they provide insights into customer opinions for businesses.\n\nKNOW MORE>>\/\/ \/web-scraping-and-sentiment-analysis-of-customer-reviews.php\n\n

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Understanding Deep Transfer Learning and Multi-task Learning

Deep Transfer Learning and Multi-task Learning involve transferring knowledge from a source domain to a target domain, benefiting tasks such as image classification, sentiment analysis, and time series prediction. Taxonomies of Transfer Learning categorize approaches like model fine-tuning, multi-ta

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Transforming NLP for Defense Personnel Analytics: ADVANA Cloud-Based Platform

Defense Personnel Analytics Center (DPAC) is enhancing their NLP capabilities by implementing a transformer-based platform on the Department of Defense's cloud system ADVANA. The platform focuses on topic modeling and sentiment analysis of open-ended survey responses from various DoD populations. Le

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Exploring Discretized Interpretation of Continuous Prompts

Delve into the analysis of discrete text prompts and their interpretation of continuous prompts in AI research. The work explores sentiment analysis using pre-trained language models along with recent breakthroughs in spatial reasoning. Discover the challenges in interpreting and optimizing text pro

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Building Sentiment Classifier Using Active Learning

Learn how to build a sentiment classifier for movie reviews and identify climate change-related sentences by leveraging active learning. The process involves downloading data, crowdsourcing labeling, and training classifiers to improve accuracy efficiently.

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Thematic Analysis of Keats' Ode to Autumn in the Context of Romantic Literature

The thematic analysis of John Keats' "Ode to Autumn" explores the poem's reflection on the beauty of seasonal transitions, emphasizing the melancholic yet serene nature of autumn. Presented by Dr. Mohd Saleem Wani, the analysis delves into Keats' ability to find beauty in the changing landscape and

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Understanding Sentiment Classification Methods

Sentiment classification can be done through supervised or unsupervised methods. Unsupervised methods utilize lexical resources and heuristics, while supervised methods rely on labeled examples for training. VADER is a popular tool for sentiment analysis using curated lexicons and rules. The classif

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Quick Overview on Content Analysis Techniques

Explore the methods and techniques for analyzing content effectively. Learn about text analysis, sentiment analysis, and more in this concise guide.

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Understanding Sentiment Analysis in Various Contexts

Sentiment analysis, also known as opinion mining, is the process of analyzing text to determine if it expresses a positive, negative, or neutral sentiment. It has applications in analyzing movie reviews, product feedback, public opinion, and political sentiments. By extracting and analyzing sentimen

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WEB-SOBA: Ontology Building for Aspect-Based Sentiment Classification

This study introduces WEB-SOBA, a method for semi-automatically building ontologies using word embeddings for aspect-based sentiment analysis. With the growing importance of online reviews, the focus is on sentiment mining to extract insights from consumer feedback. The motivation behind the researc

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Corpus Creation for Sentiment Analysis in Code-Mixed Tulu Text

Sentiment Analysis using code-mixed data from social media platforms like YouTube is crucial for understanding user emotions. However, the lack of annotated code-mixed data for low-resource languages such as Tulu poses challenges. To address this gap, a trilingual code-mixed Tulu corpus with 7,171 Y

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Semi-Automatic Ontology Building for Aspect-Based Sentiment Classification

Growing importance of online reviews highlights the need for automation in sentiment mining. Aspect-Based Sentiment Analysis (ABSA) focuses on detecting sentiments expressed in product reviews, with a specific emphasis on sentence-level analysis. The proposed approach, Deep Contextual Word Embedding

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Voter Sentiment Analysis on Country's Track and Economy - May 2017

A survey conducted in May 2017 among 2,006 registered voters in the United States reveals insights into voter sentiment regarding the country’s track and the economy. Findings show voters' perceptions on the track of the nation, the strength of the U.S. economy, and approval ratings for President

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Hierarchical Attention Transfer Network for Cross-domain Sentiment Classification

A study conducted by Zheng Li, Ying Wei, Yu Zhang, and Qiang Yang from the Hong Kong University of Science and Technology on utilizing a Hierarchical Attention Transfer Network for Cross-domain Sentiment Classification. The research focuses on sentiment classification testing data of books, training

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Evolution of Sentiment Analysis in Tweets and Aspect-Based Sentiment Analysis

The evolution of sentiment analysis on tweets from SemEval competitions in 2013 to 2017 is discussed, showcasing advancements in technology and the shift from SVM and sentiment lexicons to CNN with word embeddings. Aspect-Based Sentiment Analysis, as explored in SemEval2014, involves determining asp

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Using Word Embeddings for Ontology-Driven Aspect-Based Sentiment Analysis

Motivated by the increasing number of online product reviews, this research explores automation in sentiment mining through Aspect-Based Sentiment Analysis (ABSA). The focus is on sentiment detection for aspects at the review level, using a hybrid approach that combines ontology-based reasoning and

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Understanding Sentiment Analysis: A Comprehensive Overview

Sentiment analysis, also known as opinion mining, is the process of evaluating written or spoken language to determine the positivity, negativity, or neutrality of the expression. It involves the systematic identification, extraction, and study of affective states and subjective information using na

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Uncovering the Influence of Media on Investor Sentiment in the Stock Market

This paper explores the interconnectedness between media content and investor sentiment in the stock market, focusing on the impact of media reports on daily market activity. It delves into the relationship between media pessimism and stock market returns, highlighting how different levels of sentim

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SASOBUS: Semi-Automatic Sentiment Domain Ontology Building Using Synsets

Building on the need for automation due to the increasing volume and significance of online reviews, SASOBUS focuses on Aspect-Based Sentiment Analysis (ABSA). The motivation behind SASOBUS lies in the growth of sentiment mining for product reviews, particularly at the sentence level. Its approach i

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Voter Sentiment Analysis on Economy and Financial Situations in September 2017

Voter sentiment regarding the direction of the country, the economy, and personal financial situations in September 2017 was analyzed through a survey conducted online among 2,177 registered voters. Results show that voters are more optimistic about the economy than the overall country with a majori

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Implementing Turkish Sentiment Analysis on Twitter Data Using Semi-Supervised Learning

This project involved gathering a substantial amount of Twitter data for sentiment analysis, including 1717 negative and 687 positive tweets. The data labeling process was initially manual but later automated using a semi-supervised learning technique. A Naive Bayes Classifier was trained using a Ba

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Resident Sentiment Poll: Northern BC Tourism June 2022 Insights

A poll conducted by CIPR Communications in June 2022 gathered sentiment from 1,122 residents across Northern BC communities regarding tourism. The results indicated residents' awareness of tourism's economic impact, concerns about attracting the right visitors, and a moderate correlation between tou

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Implicit Citations for Sentiment Detection: Methods and Results

This study focuses on detecting implicit citations for sentiment detection through various tasks such as finding zones of influence, citation classification, and corpus construction. The research delves into features for classification, highlighting the use of n-grams, dependency triplets, and other

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Cognitive Study of Subjectivity Extraction in Sentiment Annotation

A cognitive study on extracting subjectivity in sentiment annotation, exploring if humans perform subjective extraction similarly to machines for sentiment analysis. The study investigates sentiment oscillations and different methods adopted based on the nature of subjective documents.

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Analysis of 2020 Census Audio Recordings Using Machine Learning

In this study, Joanna Fane Lineback, Elizabeth Nichols, and Brian F. Sadacca discuss the machine learning approach used to analyze 2020 Census audio recordings. The project aims to develop models that enhance the call experience for callers and customer service representatives (CSRs). Operational go

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Understanding Sentiment Analysis and Opinion Mining

Sentiment analysis (SA) or opinion mining is a computational study of opinion, sentiment, appraisal, evaluation, and emotion, which plays a crucial role in influencing behaviors and decision-making processes. This field has gained significance with the rise of social media, offering insights into pu

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Media Influence on Investor Sentiment and Stock Market Behavior

This literature review by Paul C. Tetlock explores the role of media in shaping investor sentiment and impacting stock market dynamics. The study delves into the correlation between media pessimism, market prices, trading volume, and volatility, providing insights into how media content affects mark

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Enhancing Arabic Sentiment Analysis Using Fuzzy Logic Approach

Presenter Mariam Biltawi from Princess Sumaya University for Technology in Jordan discusses a research project on enhancing automatic polarity classification of Arabic text using a lexicon-based approach with fuzzy logic. The project utilizes a large-scale Arabic book reviews dataset and a sentiment

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Understanding Aspect-Based Sentiment Analysis in Text Mining

Aspect-Based Sentiment Analysis plays a crucial role in extracting, identifying, and characterizing sentiment content within text data. This analysis helps in understanding how people perceive various aspects in reviews, blogs, and online discussions. The process involves detecting entities, aspects

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Ontology-Driven Review-Level Aspect-Based Sentiment Analysis

This study presents an innovative approach to sentiment analysis at the review level, focusing on aspect-based sentiment analysis (ABSA) using ontologies. Motivated by the increasing volume of product reviews online, the research addresses the challenge of detecting sentiment associated with aspects

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Understanding Social Networks Beyond Graph Structures

Researchers at the National University of Singapore discuss the concept that a social network is not simply a graph, highlighting key differences such as dynamics, multi-dimensionality, and the challenges in link prediction. The analysis delves into the complexities of social network data compared t

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Multilingual Sentiment Analysis for Enhanced Language Resources

This presentation discusses the EUROSENTIMENT project focusing on generating multilingual variants for sentiment lexicons. Addressing challenges in sentiment analysis, the project aims to build a shared language resource pool to improve adaptability and interoperability of language resources. Object

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