Search for dissertations about: "sentiment"
Showing result 21 - 25 of 41 swedish dissertations containing the word sentiment.
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21. Multi-Document Summarization and Semantic Relatedness
Abstract : Automatic summarization is the process of presenting the contents of written documents in a short, comprehensive fashion. Many approaches have been proposed for this problem, some of which extract content from the input documents (extractive methods), and others that generate the language in the summary based on some representation of the document contents (abstractive methods). READ MORE
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22. Take a risk : social interaction, gender identity, and the role of family ties in financial decision-making
Abstract : This thesis consists of an introductory part and four self-contained papers related to individual financial behavior and risk-taking in financial markets.In Paper [I] we estimate within-family and community social interaction effects upon an individual’s stock market entry, participation, and exit decision. READ MORE
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23. Natural Language Processing for Low-resourced Code-switched Colloquial Languages – The Case of Algerian Language
Abstract : In this thesis we explore to what extent deep neural networks (DNNs), trained end-to-end, can be used to perform natural language processing tasks for code-switched colloquial languages lacking both large automated data and processing tools, for instance tokenisers, morpho-syntactic and semantic parsers, etc. We opt for an end-to-end learning approach because this kind of data is hard to control due to its high orthographic and linguistic variability. READ MORE
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24. Essays in Quantitative Macroeconomics
Abstract : In the first essay, Distortions in the Neoclassical Growth Model: A Cross Country Analysis, I show that shocks that express themselves as total factor productivity and labor income taxes are comparably more synchronized than shocks that resemble distortions to the ability of allocating resources across time and states of the world. These two shocks are also the most important to model. READ MORE
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25. Essays on Investor Behavior and Trading Strategies in International Financial Markets
Abstract : This dissertation contains four articles that in different ways inform on investor behavior in international financial markets, their impact on the underlying market, and the trading strategies that they pursue.Article I studies how hedge funds herd in currency future contracts and how it is affecting the underlying market. READ MORE