Search
Now showing items 1-10 of 60
Analyzing mass media influence using natural language processing and time series analysis
(IOP Publishing, 2020-07)
A key question of collective social behavior is related to the influence of mass media on public opinion. Different approaches have been developed to address quantitatively this issue, ranging from field experiments to ...
Enriquecendo a previsão de séries temporais usando informação textual
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ciência da Computação - PPGCCCâmpus São Carlos, 2021-02-25)
The ability to extract knowledge and forecast stock trends is crucial to mitigate investors' risks and uncertainties in the market. The stock trend is affected by non-linearity, complexity, noise, and especially the ...
Sentiment hedging: Trending stocks on reddit
(Universidad de los AndesMaestría en EconomíaFacultad de Economía, 2023-05-31)
The present document studies the hedging of portfolios in the face of social media sentiment. To do
this, a portfolio of stocks is constructed whose returns are correlated with innovations in social media
sentiment. To ...
Un cine de ideas: Fotografía y afecto en Histórias que só existem quando lembradas (Julia Murat, 2011) y Viaje sentimental (Verónica Chen, 2010)
(Universidad de Barcelona, 2018-01)
Este artículo indaga la construcción audiovisual de atmósferas afectivas a partir del análisis de Histórias que só existem quando lembradas (2011) de Julia Murat y Viaje sentimental (2010) de Verónica Chen. Por medio de ...
A comprehensive analysis of behavioural economics applied to social media using automated methods and asymmetric modelling
(Instituto Tecnológico y de Estudios Superiores de Monterrey, 2022)
Financial economic research has extensively documented the fact that the impact
of the arrival of negative news on stock prices is more intense than that of the
arrival of positive news. The authors of the present study ...
Forecasting Analytics
(ITESO, 2021)
An Exploratory Analysis of Digital Information using Natural Language Processing for the Planning and Decision Making Process of Water Resources in Bolivia
(Escuela Colombiana de Ingeniería Julio GaravitoMaestría en Ingeniería Civil, 2021)
In recent years, the community is much more participatory in the planning and decision-making processes of Integrated Water Resources Management. However, differences between competing stakeholders prevent the identification ...
The role of Twitter in the U.S. financial market
(2018-08-10)
Significant market events in the financial market will only occur if there is synchrony among large groups of people and the media is the main vehicle to it. Previous works could find some relationship between newspapers ...