Sökning: "Informationslära"

Hittade 3 avhandlingar innehållade ordet Informationslära.

  1. 1. Understanding Certificate Revocation

    Författare :Åsa Hagström; Robert Forchheimer; Ingemar Ingemarsson; Håkan Kvarnström; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Revocation; Public-key certificates; Graph transformation; Information science; Informationslära;

    Sammanfattning : Correct certificate revocation practices are essential to each public-key infrastructure. While there exist a number of protocols to achieve revocation in PKI systems, there has been very little work on the theory behind it: Which different types of revocation can be identified? What is the intended effect of a specific revocation type to the knowledge base of each entity?As a first step towards a methodology for the development of reliable models, we present a graph-based formalism for specification and reasoning about the distribution and revocation of public keys and certificates. LÄS MER

  3. 2. De länkade orden : Den digitala arenans dynamik

    Författare :Maria Mattus; Martin Kylhammar; Christina Chaib; Mats Ekström; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Communication; Internet; freedom of speech; credibility; hypertext; wiki; dialogue; Kommunikation; Internet; yttrandefrihet; trovärdighet; hypertext; wiki; dialog; Information science; Informationslära;

    Sammanfattning : The overall aim of this thesis is to explore freedom of speech and aspects of credibility related to the Internet. The phenomenon freedom of speech is seen and examined principally from a communicative perspective. Theoretically the thesis is based on three key concepts: Internet, freedom of speech, and credibility. LÄS MER

  4. 3. Actual and Perceived Information Systems Security

    Författare :Per Oscarson; Karin Axelsson; Göran Goldkuhl; Rune Gustafsson; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Information systems security; IS security; IT security; Information security; Actual and perceived; Information science; Informationslära;

    Sammanfattning : As the Internet becomes the major information infrastructure in most sectors, the importance of Information Systems (IS) security steadily increases. While reaching a certain level of actual IS security is vital for most businesses, this level must also be perceived as acceptable by stakeholders. LÄS MER