Sentiment analysis for Indian stock market prediction using Sensex and nifty

A Bhardwaj, Y Narayan, M Dutta - Procedia computer science, 2015 - Elsevier
From the last twenty years, the application of Internet based technologies had brought a
significant impact on the Indian stock market. Use of the Internet has eliminated the barriers …

Polarity shift detection, elimination and ensemble: A three-stage model for document-level sentiment analysis

R **a, F Xu, J Yu, Y Qi, E Cambria - Information Processing & Management, 2016 - Elsevier
The polarity shift problem is a major factor that affects classification performance of machine-
learning-based sentiment analysis systems. In this paper, we propose a three-stage …

[HTML][HTML] Contextual sentiment neural network for document sentiment analysis

T Ito, K Tsubouchi, H Sakaji, T Yamashita… - Data Science and …, 2020 - Springer
Although deep neural networks are excellent for text sentiment analysis, their applications in
real-world practice are occasionally limited owing to their black-box property. In this study …

Polarity shift detection approaches in sentiment analysis: A survey

S Zirpe, B Joglekar - … on inventive systems and control (ICISC), 2017 - ieeexplore.ieee.org
Sentiment analysis is a process of identifying and categorizing opinions expressed in a
piece of text. It classifies the text into positive, negative or neutral. Lexicon-based and …

[PDF][PDF] Scope of sentiment analysis on news articles regarding stock market and GDP in struggling economic condition

S Biswas, A Ghosh, S Chakraborty, S Roy… - International …, 2020 - academia.edu
The present paper studies the scope of sentiment analysis on news articles on impact of
economic downfall of the primary international stock markets, comparing it with that of …

[PDF][PDF] Examining the effects of pandemics on stock market trends through sentiment analysis

S Biswas, I Sarkar, P Das, R Bose, S Roy - J **dian Univ, 2020 - researchgate.net
In the history of mankind, no disease as virulent as the Novel Corona Virus (COVID-19) has
forced global pandemonium. As the world's nations band together to fight this disease and …

[HTML][HTML] Improving sentiment analysis with learning concepts from concept, patterns lexicons and negations

A Pradhan, MR Senapati, PK Sahu - Ain Shams Engineering Journal, 2022 - Elsevier
The way of expressing sentiment (− ve/+ ve) in the form of textual information depends on
the way of thinking of human beings. Identifying aspect extraction and sentiment polarity …

Disambiguating context-dependent polarity of words: An information retrieval approach

O Vechtomova - Information Processing & Management, 2017 - Elsevier
The paper introduces PolaritySim–a novel approach to disambiguating context-dependent
sentiment polarity of words. The task of resolving the polarity of a given word instance as …

Word-level contextual sentiment analysis with interpretability

T Ito, K Tsubouchi, H Sakaji, T Yamashita… - Proceedings of the AAAI …, 2020 - ojs.aaai.org
Word-level contextual sentiment analysis (WCSA) is an important task for mining reviews or
opinions. When analyzing this type of sentiment in the industry, both the interpretability and …

A deep neural network approach for sentiment analysis of medically related texts: an analysis of tweets related to concussions in sports

K Tirdad, A Dela Cruz, A Sadeghian, M Cusimano - Brain informatics, 2021 - Springer
Annually, over three million people in North America suffer concussions. Every age group is
susceptible to concussion, but youth involved in sporting activities are particularly …