New methods and new systems are needed to lter or to selectively distribute the increasing volume of electronic informationbeing produced nowadays. An e ective information ltering...
This paper considers conceptual and contextual issues relating to the problem of developing systems models capable of representing knowable and unknowable information requirements...
symbol systems and the world. In the case of problem frames the symbol systems are abstractions of the problems that an IS will solve rather than sentences, and the world is the pr...
This paper presents a visual information seeking system for the WWW called INSYDER1 . The aim of INSYDER is to find business information from the WWW. Information seeking - especi...
Rough set theory has been considered as a useful tool to deal with inexact, uncertain, or vague knowledge. However, in real-world, most of information systems are based on dominanc...