Search for dissertations about: "sentiment"

Showing result 1 - 5 of 27 swedish dissertations containing the word sentiment.

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

    University dissertation from Växjö, Sweden : Linnaeus University Press

    Author : Kostiantyn Kucher; Linnéuniversitetet.; [2019]
    Keywords : 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;

    Abstract : 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. READ MORE

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

    University dissertation from Lund University (Media-Tryck)

    Author : Dinh-Vinh Vo; [2020]
    Keywords : 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;

    Abstract : 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. READ MORE

  3. 3. Natural language processing in cross-media analysis

    University dissertation from Umeå : Department of computing science, Umeå University

    Author : Yonas Demeke Woldemariam; Umeå universitet.; [2018]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NLP; cross-media analysis; sentiment analysis; competence analysis; speech recognition; Amharic; named entity recognition; machine learning; computational linguistics; Computer Science; datalogi;

    Abstract : A cross-media analysis framework is an integrated multi-modal platform where a media resource containing different types of data such as text, images, audio and video is analyzed with metadata extractors, working jointly to contextualize the media resource. It generally provides cross-media analysis and automatic annotation, metadata publication and storage, searches and recommendation services. READ MORE

  4. 4. Predicting Linguistic Structure with Incomplete and Cross-Lingual Supervision

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Oscar Täckström; Uppsala universitet.; SICS.; [2013]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Computational Linguistics; Datorlingvistik; linguistic structure prediction; structured prediction; latent-variable model; semi-supervised learning; multilingual learning; cross-lingual learning; indirect supervision; partial supervision; ambiguous supervision; part-of-speech tagging; dependency parsing; named-entity recognition; sentiment analysis;

    Abstract : Contemporary approaches to natural language processing are predominantly based on statistical machine learning from large amounts of text, which has been manually annotated with the linguistic structure of interest. However, such complete supervision is currently only available for the world's major languages, in a limited number of domains and for a limited range of tasks. READ MORE

  5. 5. My people right or wrong? a comparative analysis of national sentiments and their meaning

    University dissertation from Umeå : Umeå universitet

    Author : Mikael Hjerm; Umeå universitet.; [2000]
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; national sentiment; national identity; nationalism; attitudes; multiculturalism; nation; xenophobia; comparative research;

    Abstract : In a world of presumed nation-states, nation has been, and still is, an intrinsic part of political legitimization and identity formation. Thus, it is clear that the understanding of nationality and people's relationship too it is of great importance for our understanding of how a stable society, partly built on nationality, can prevail in a world of migration consisting of individuals with diverging moral, religious and cultural conceptions. READ MORE