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Visar resultat 1 - 5 av 16 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. Text Clustering Exploration : Swedish Text Representation and Clustering Results Unraveled

    Författare :Magnus Rosell; Viggo Kann; Tapio Salakoski; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Informatics; computer and systems science; Informatik; data- och systemvetenskap;

    Sammanfattning : Text clustering divides a set of texts into clusters (parts), so that texts within each cluster are similar in content. It may be used to uncover the structure and content of unknown text sets as well as to give new perspectives on familiar ones. LÄS MER

  3. 2. With or without context : Automatic text categorization using semantic kernels

    Författare :Johan Eklund; Högskolan i Borås; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; automatic text categorization; subject classification; machine learning; computational linguistics; support vector machines; semantic kernels; term weighting; divergence from randomness; Library and Information Science; Biblioteks- och informationsvetenskap;

    Sammanfattning : In this thesis text categorization is investigated in four dimensions of analysis: theoretically as well as empirically, and as a manual as well as a machine-based process. In the first four chapters we look at the theoretical foundation of subject classification of text documents, with a certain focus on classification as a procedure for organizing documents in libraries. LÄS MER

  4. 3. Extracting Text into Meta-Data : Improving machine text-understanding of news-media articles

    Författare :Johannes Lindén; Tingting Zhang; Stefan Forsström; Patrik Österberg; Martin Holeňa; Mittuniversitetet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : Society is constantly in need of information. It is important to consume event-based information of what is happening around us as well as facts and knowledge. As society grows, the amount of information to consume grows with it. LÄS MER

  5. 4. Skolämnesspecifikt läsande i tidiga skolår

    Författare :Helena Skogström; Åsa af Geijerstam; Jenny Folkeryd Wiksten; Catarina Schmidt; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; disciplinary literacy; reading aloud; text talk; teacher’s questions; read-ing mobility; vocabulary; text comprehension.; Curriculum Studies; Didaktik;

    Sammanfattning : The overall purpose of this licentiate thesis is to shed light on how reading is constructed in different year 1 school subjects. The focus of the study is reading and how teachers create conditions for students to understand text via text conversations and via textbook texts used in Mathematics, Swedish and Technology. LÄS MER

  7. 5. Automated subject classification of textual web pages, for browsing

    Författare :Koraljka Golub; Institutionen för elektro- och informationsteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; automated classification; subject browsing; structural Web-page elements; Web page classification; document clustering; bibliographic coupling; text categorization; Subject classification;

    Sammanfattning : With the exponential growth of the World Wide Web, automated subject classification of Web pages has become a major research issue in information and computer sciences. Organizing Web pages into a hierarchical structure for subject browsing is gaining more recognition as an important tool in information-seeking processes. LÄS MER