Search for dissertations about: "text categorization"

Showing result 1 - 5 of 13 swedish dissertations containing the words text categorization.

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

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

   Abstract : 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. READ MORE

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

   Author : Johan Eklund; Högskolan i Borås; []
   Keywords : 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;

   Abstract : 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. READ MORE

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

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

   Abstract : 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. READ MORE

6. 4. Automated subject classification of textual web pages, for browsing

   Author : Koraljka Golub; Institutionen för elektro- och informationsteknik; []
   Keywords : 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;

   Abstract : 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. READ MORE

7. 5. Legitimacy Work : Managing Sick Leave Legitimacy in Interaction

   Author : Marie Flinkfeldt; Maria Eriksson; Elisabet Näsman; Ann Weatherall; Uppsala universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; legitimacy; legitimation; legitimacy-in-action; sick leave; sickness absence; sick role; Sweden; social insurance; sickness benefit; conversation analysis; discursive psychology; ethnomethodology; membership categorization analysis; institutional talk; categories; moral work; social interaction; talk-in-interaction; text-in-interaction; meetings; online forums; Sociologi; Sociology;

   Abstract : This thesis studies how sick leave legitimacy is managed in interaction and develops an empirically driven conceptualization of ‘legitimacy work’. The thesis applies an ethnomethodological framework that draws on conversation analysis, discursive psychology, and membership categorization analysis. READ MORE