Sökning: "sentiment analysis"

Visar resultat 6 - 10 av 287 uppsatser innehållade orden sentiment analysis.

  1. 6. Seasoned Equity Offerings and Disclosure Sentiment Effects: Evidence from the U.S.

    Master-uppsats, Göteborgs universitet/Graduate School

    Författare :Max Mauritz; Phornchanok Phojan; [2023-06-29]
    Nyckelord :Seasoned Equity Offerings; Long-Term Event Study; Buy-and-Hold Abnormal Returns; Textual Analysis; Disclosure Sentiment; Disclosure Tone;

    Sammanfattning : This paper updates the data regarding Seasoned Equity Offering firms (SEOs) long-term performance and finds evidence in line with prior research that they underperform in the longterm. Furthermore, using automated textual analysis on the relevant disclosure filings SEO firms in the United States publish (Form 10-K, Form 8-K and Form 424B), we investigate the relationship between disclosure sentiment variables and long-term return performance. LÄS MER

  3. 7. Deep Learning Based Sentiment Analysis

    Master-uppsats, Blekinge Tekniska Högskola/Institutionen för datavetenskap

    Författare :Shashank Kalluri; [2023]
    Nyckelord :Sentiment Analysis; Word Embedding; Deep Learning;

    Sammanfattning : Background: Text data includes things like customer reviews and complaints,tweets from social media platforms. When analyzing text-based data, the SentimentModel is used. Understanding news headlines, blogs, the stock market, politicaldebates, and film reviews some of the areas where sentiment analysis is used. LÄS MER

  4. 8. From Elite to Everyone: How User-Generated Content Democratizes Hermès and Challenges Its Exclusivity

    Magister-uppsats, Lunds universitet/Företagsekonomiska institutionen

    Författare :Lovisa Smedmark; Karin Forslund; [2023]
    Nyckelord :Luxury brand perceptions; Brand awareness; Commodity theory; Self-brand association; Brand attitudes; User-generated content; Luxury brand management; Business and Economics;

    Sammanfattning : The purpose of this thesis is to add to existing research and create a deeper understanding regarding the influence of online narratives on luxury brand attitudes. The research aims to explore how luxury brands are portrayed by social media users, in order to gain a cohesive understanding of its effect on the attitudes that are formed towards the brand. LÄS MER

  5. 9. Media Representations of Doping in Sports : An Analysis of How Media Frames Men and Women in Doping Scandals

    Magister-uppsats, Malmö universitet/Institutionen för konst, kultur och kommunikation (K3)

    Författare :Carolina Guglielmetti; [2023]
    Nyckelord :doping; framing; media representation; Lance Armstrong; Marion Jones; performance-enhancing drugs;

    Sammanfattning : In this thesis we delve into the profile doping scandals involving Marion Jones and Lance Armstrong. Our aim is to analyze how the online news media portray doping allegations in sports specifically on these two athletes. LÄS MER

  7. 10. Domain Knowledge and Representation Learning for Centroid Initialization in Text Clustering with k-Means : An exploratory study

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :David Yu; [2023]
    Nyckelord :Natural language processing; Sentiment analysis; Clustering; Language model; Transformer; Heuristic; Språkteknologi; Sentimentanalys; Klustering; Språkmodell; Transformer; Heuristik;

    Sammanfattning : Text clustering is a problem where texts are partitioned into homogeneous clusters, such as partitioning them based on their sentiment value. Two techniques to address the problem are representation learning, in particular language representation models, and clustering algorithms. LÄS MER