Sökning: "Sentiment analysis"

Visar resultat 1 - 5 av 287 uppsatser innehållade orden Sentiment analysis.

  1. 1. Prevalent Discord. Exploring and estimating the prevalence of the type of user disagreement on news media Facebook posts discussing the Colombian peace process (2020-2022)

    Master-uppsats, Lunds universitet/Graduate School

    Författare :Luis Felipe Villota Macias; [2024]
    Nyckelord :Agonistic peace; antagonism; big data analytics; binary logistic regression; computational content analysis; Colombia; Colombian peace process; discord; Facebook; machine learning; peace process; public opinion and sentiment; social media; Law and Political Science; Social Sciences;

    Sammanfattning : This thesis is dedicated to exploring and understanding public reactions within negotiated peace settlements based on social media data. Concretely, to modeling public opinion and sentiment within the context of the Colombian peace process using a curated dataset of N= ~1. LÄS MER

  3. 2. Comparison of VADER and Pre-Trained RoBERTa: A Sentiment Analysis Application

    Kandidat-uppsats, Lunds universitet/Statistiska institutionen

    Författare :Linda Erwe; Xin Wang; [2024]
    Nyckelord :sentiment analysis; natural language processing; BERT; VADER; sustainability report; Mathematics and Statistics;

    Sammanfattning : Purpose: The purpose of this study is to examine how the overall sentiment results from VADER and a pre-trained RoBERTa model differ. The study investigates potential differences in terms of the median and shape of the two distributions. Data: The sustainability reports of 50 independent random companies are selected as the sample. LÄS MER

  4. 3. States sentiment towards Artificial Intelligence in international settings

    Kandidat-uppsats, Stockholms universitet/Statsvetenskapliga institutionen

    Författare :Viktor Skog; [2024]
    Nyckelord :;

    Sammanfattning : AI is creating a global societal paradigm shift since it is a general purpose technology with seemingly unstoppable potential. Although large economic and societal advantages seem apparent, the technology is also recognised to pose an existential threat to humanity. LÄS MER

  5. 4. Dare. Dream. Done. [Sparkles emoji] : Pragmatic functions and sentiment of emojis in tweets by American, English, Australian, Indian, and Nigerian users

    Kandidat-uppsats, Karlstads universitet/Fakulteten för humaniora och samhällsvetenskap (from 2013)

    Författare :Kristoffer Olsén; [2024]
    Nyckelord :ambiguity; computer-mediated communication; cyberpragmatics; emoji; emoji usage pattern; national variety; pragmatics; sentiment; tweets; användningsmönster för emojis; attityd; cyberpragmatik; datorförmedlad kommunikation; emoji; nationell variation; pragmatik; tvetydighet; tweets;

    Sammanfattning : Emojis can be ambiguous, even when used within one and the same language and geographic region, but they are also a globally accessible language in computer-mediated communication. This paper aims to examine if emoji usage across five different national varieties of English (American, English, Australian, Indian, and Nigerian), geographically located on five different continents, exhibits similar pragmatic functionality and sentiment. LÄS MER

  7. 5. Examining the Impact of Football Tournaments on Equity Markets: An Analysis of Market Anomalies, Market Dynamics and Investor sentiment

    Kandidat-uppsats,

    Författare :Oskar Edgren; Josef Johansson; [2023-07-06]
    Nyckelord :;

    Sammanfattning : This paper investigates whether two international football tournaments have an effect on the performance of four major stock markets during the event period. Some previous literature suggest that the NYSE index tended to fall during every World Cup between 1950 and 2007 due to negative investor sentiment associated with losing and being knocked out of the tournament. LÄS MER