Sökning: "sentiment"

Visar resultat 1 - 5 av 48 avhandlingar innehållade ordet sentiment.

  1. 1. Sentiment and Stance Visualization of Textual Data for Social Media

    Författare :Kostiantyn Kucher; Andreas Kerren; Carita Paradis; Magnus Sahlgren; Ross Maciejewski; Linnéuniversitetet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; stance visualization; sentiment visualization; text visualization; stance analysis; sentiment analysis; opinion mining; visualization; interaction; visual analytics; NLP; text mining; text analytics; social media; Informations- och programvisualisering; Information and software visualization;

    Sammanfattning : Rapid progress in digital technologies has transformed the world in many ways during the past few decades, in particular, with the new means of communication such as social media. Social media platforms typically rely on textual data produced or shared by the users in multiple timestamped posts. LÄS MER

  3. 2. Essays on Information Transmission and Crisis Spillover in the Financial Markets

    Författare :Dinh-Vinh Vo; Nationalekonomiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Central bank communication; ECB; exchange rates; sentiment; LDA; textual analysis; cross-section of stock returns; news-implied volatility; financial contagion; interdependence; global banking system;

    Sammanfattning : This doctoral dissertation comprises three independent essays on information transmission and crisis spillover in the financial markets. The research questions are examined in the context of the foreign exchange market, the stock market and the global banking system. LÄS MER

  4. 3. Essays on currency markets

    Författare :Duc-Hoang Hoang; Nationalekonomiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; currency market; central bank communication; sentiment; carry trade; momentum;

    Sammanfattning : This doctoral dissertation comprises three independent essays which cover different aspects of the currency market.The first paper, Long-run and short-run risk premium in currency market, investigates the risk premium of the long-run and short-run volatility component of exchange rate returns in the currency market. LÄS MER

  5. 4. Aspects of Blame : In which the nature of blame, blameworthiness, standing to blame and proportional blame are discussed

    Författare :Marta Johansson Werkmäster; Praktisk filosofi; []
    Nyckelord :HUMANIORA; HUMANITIES; HUMANIORA; HUMANITIES; blame; moral responsibility; blameworthiness; standing to blame; proportionality; Strawson; blame; sentiment; Strawson; reactive attitude; fitting attitude analysis of value; buck-passing account of value; blameworthiness; volitional control; rational control; capacitarianism; emotions; degree; proportionality; standing to blame; normative power; privilege right; right kind of reason; wrong kind of reason; praise; praiseworthiness; rightness; wrongness;

    Sammanfattning : This thesis discusses what blame is, what it is for an agent to be blameworthy for having performed a certain act or omission, what makes an agent blameworthy for having performed a certain act or omission, whether the idea of standing to blame generalises to blame understood as something privately held, and what it is for blame to be proportionate. It provides original answers to these questions that move the current discussion of blame forward. LÄS MER

  7. 5. Resources and Applications for Dialectal Arabic: the Case of Levantine

    Författare :Chatrine (kathrein) Qwaider (abu kwaik); Göteborgs universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; NATURVETENSKAP; NATURAL SCIENCES; Dialectal Arabic Natural Language Processing; Computational Linguistics; Dialect Identification; Sentiment Analysis; Machine Learning; Deep Learning; Language modelling; Natural Language processing;

    Sammanfattning : This is a thesis about the computational study of Dialectal Arabic (DA). In particular, the thesis studies DA, with a special emphasis on Levantine Arabic, and develops tools and resources for the computational study of Dialectal Arabic Natural Language Processing (DANLP). LÄS MER