Sökning: "Information theory"

Visar resultat 6 - 10 av 2498 avhandlingar innehållade orden Information theory.

1. 6. Everyday Life Information Practice : Affordances and Strategies within a Facebook Group

   Författare :Ameera Mansour; Noora Hirvonen; Högskolan i Borås; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; social media; social networking sites; Facebook groups; information practices; sociocultural theory; affordances; cognitive authority; situated learning; community of practice; communication privacy management; imagined audience; context collapse; everyday life; parents; mothers; Library and Information Science; Biblioteks- och informationsvetenskap;

   Sammanfattning : Social networking sites are integral in reshaping how we access and interact with information and others. This doctoral thesis aims to offer an in-depth understanding of engagement in an everyday life information practice within a private Facebook group. LÄS MER

3. 7. Information-Theoretic Generalization Bounds: Tightness and Expressiveness

   Författare :Fredrik Hellström; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; information theory; neural networks; generalization; statistical learning; meta learning; PAC-Bayes; Machine learning;

   Sammanfattning : Machine learning has achieved impressive feats in numerous domains, largely driven by the emergence of deep neural networks. Due to the high complexity of these models, classical bounds on the generalization error---that is, the difference between training and test performance---fail to explain this success. LÄS MER

4. 8. Designing Information Systems : A pragmatic account

   Författare :Jonas Sjöström; Pär Johan Ågerfalk; Göran Goldkuhl; Else Nygren; Richard Baskerville; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; information systems; design; pragmatism; design research; it artefact; Informatics and systems science; Informatik och systemvetenskap; Computer and systems science; Data- och systemvetenskap; Informatics; Informatik; Data- och systemvetenskap; Computer Systems Sciences;

   Sammanfattning : Information technology (IT) plays an increasingly important role for individuals, organizations, markets, and society as a whole. IT systems are artefacts (human made objects) designed for various purposes. LÄS MER

5. 9. Discovering Information Security Management

   Författare :Fredrik Björck; Louise Yngström; Richard Baskerville; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Information Security; Information Systems Security; Management; Computer and systems science; Data- och systemvetenskap;

   Sammanfattning : This thesis is concerned with issues relating to the management of information security in organisations, motivated by the need for cost-efficient information security.It is based on the assumption that: in order to achieve cost-efficient information security, the point of departure must be knowledge about the empirical reality in which the management of information security takes place. LÄS MER

7. 10. The theory of mitigating risk : Information literacy and language-learning in transition

   Författare :Alison Hicks; Pam McKenzie; Högskolan i Borås; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Library and Information Science; Biblioteks- och informationsvetenskap;

   Sammanfattning : This qualitative study explores the information literacy practices of students who were learning a language overseas as part of their undergraduate degree. Constructivist grounded theory and situational analysis were used to examine the information activities of 26 English-speakers from Australia, Canada, the United States and the United Kingdom. LÄS MER