Sökning: "text categorization"

Visar resultat 1 - 5 av 14 avhandlingar innehållade orden text categorization.

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

    Detta är en avhandling från Stockholm : KTH

    Författare :Magnus Rosell; Viggo Kann; Tapio Salakoski; [2009]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; SOCIAL SCIENCES Statistics; computer and systems science Informatics; computer and systems science; SAMHÄLLSVETENSKAP Statistik; data- och systemvetenskap 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

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

    Detta är en avhandling från Högskolan i Borås

    Författare :Johan Eklund; [2016]
    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

  3. 3. Automated subject classification of textual web pages, for browsing

    Detta är en avhandling från Digital Information Systems Group, Department of Information Technology, Lund University

    Författare :Koraljka Golub; [2005]
    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

  4. 4. Jobb(iga) nyheter : Om dagstidningars bevakning av arbetsmiljöfrågor

    Detta är en avhandling från Umeå : Umeå Universitet

    Författare :Eva J:son Lönn; [2005]
    Nyckelord :jounalism; news coverage; newspapers; framing; news frames; occupational health or ill-health; journalistic routines; categorization; source routines; news sources; scientists; science journalism; newsroom; news culture; “beat;

    Sammanfattning : In the beginning of this millennium the increasing level of work related illness was de-scribed, in the public debate, as one of the most serious and costly social problems of our times. An important question in the present study is whether or not the newspapers contributed to make their readers, the politicians and other social actors aware of this vast and growing problem. LÄS MER

  5. 5. Jobb(iga) nyheter om dagstidningars bevakning av arbetsmiljöfrågor

    Detta är en avhandling från Umeå : Kultur och medier

    Författare :Eva J:son Lönn; Olle Findahl; Vanni Tjernström; Mikael Bergenheim; Maria Elliot; [2005]
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; journalism; news coverage; newspapers; framing; news frames; occupa-tional health or ill-health; journalistic routines; categorization; source routines; news sources; scientists; science journalism; newsroom; news culture; “beat” news coverage; gender; SOCIAL SCIENCES Other social sciences Media and communication studies; SAMHÄLLSVETENSKAP Övrig samhällsvetenskap Medie- och kommunikationsvetenskap;

    Sammanfattning : In the beginning of this millennium the increasing level of work related illness was de-scribed, in the public debate, as one of the most serious and costly social problems of our times. An important question in the present study is whether or not the newspapers contributed to make their readers, the politicians and other social actors aware of this vast and growing problem. LÄS MER