Sökning: "information uncertainty"

Visar resultat 1 - 5 av 736 avhandlingar innehållade orden information uncertainty.

1. 1. Dealing with uncertainty

   Författare :Jonas Clausen Mork; John Cantwell; Till Grüne-Yanoff; Terje Aven; KTH; []
   Nyckelord :HUMANIORA; HUMANITIES; safety factor; safety margin; uncertainty factor; uncertainty function; uncertainty; information; risk; risk assessment; risk management; epistemology; science; reasoning;

   Sammanfattning : Uncertainty is, it seems, more or less constantly present in our lives. Even so, grasping the concept philosophically is far from trivial. In this doctoral thesis, uncertainty and its conceptual companion information are studied. Axiomatic analyses are provided and numerical measures suggested. LÄS MER

3. 2. Predictive Techniques and Methods for Decision Support in Situations with Poor Data Quality

   Författare :Rikard König; Högskolan i Skövde; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Rule Extraction; Genetic Programming; Uncertainty estimation; Machine Learning; Artificial Neural Networks; Data Mining; Information Fusion; Information technology; Informationsteknik; Teknik; Technology;

   Sammanfattning : Today, decision support systems based on predictive modeling are becoming more common, since organizations often collect more data than decision makers can handle manually. Predictive models are used to find potentially valuable patterns in the data, or to predict the outcome of some event. LÄS MER

4. 3. Uncertainty in risk assessment : contents and modes of communication

   Författare :Rikard Levin; Sven Ove Hansson; Erik Olsson; KTH; []
   Nyckelord :HUMANIORA; HUMANITIES; uncertainty; scientific uncertainty; characterization of uncertainty; decision-making under uncertainty; risk assessment; risk management; Philosophy subjects; Filosofiämnen;

   Sammanfattning : Assessments of chemical health risks are performed by scientific experts. Their intended use is as bases for decisions. This thesis tries to answer the questions of how uncertainty is, and should be, communicated in such risk assessments. The thesis consists of two articles and an introductory essay. LÄS MER

5. 4. Exploring the bits and pieces of curiosity : an information-theoretic approach to understanding what compels information-seeking

   Författare :Gustaf Wadenholt; Linus Holm; Paul Schrater; Ronald van den Berg; Kou Murayama; Umeå universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Curiosity; uncertainty; information seeking; information gaps; learning satisfaction; learning reward; extrinsic reward; distraction; Psychology; psykologi;

   Sammanfattning : The aim of this thesis is to investigate the computational mechanisms that drive curiosity, the motivational state for learning for its own sake. Curiosity is operationalized as information-seeking behaviors and self-reported curiosity. LÄS MER

7. 5. Assessment of Enterprise Information Security : How to make it Credible and Efficient

   Författare :Erik Johansson; Torsten Cegrell; Rune Gustavsson; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Enterprise Information Security; Enterprise Architecture; Security Assessment; Information Technology Management; Information technology; Informationsteknik;

   Sammanfattning : Information is an important business asset in today’s enterprises. Hence enterprise information security is an important system quality that must be carefully managed. LÄS MER