Tatiana Levashova

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Today an intensive knowledge exchange between participants of the global information environment is required. Along with a large number of distributed knowledge sources representing knowledge in various formats this leads to appearance of a new direction in knowledge management called knowledge logistics. The paper describes Knowledge Source Network(More)
context composition Abstract context is formed automatically (or reused) applying ontology slicing and merging techniques based on information about ontology relations. The purpose of it is to collect and integrate knowledge relevant to the current task (situation) into a context. Since, at the previous stage sources responsible for data, information and(More)
Rapidity of decision making process is an important factor for different areas of human life (business, healthcare, industry, military applications, etc.). Since responsible persons make decisions using available knowledge a delivery of necessary and timely information for knowledge management systems is important. Knowledge logistics is a new direction of(More)
Readily available information is a crucial basis for making decisions, solving problems, or performing knowledge intensive work. Providing such information meeting the needs of a user has to be based on an accurate, purpose-oriented and up-to-date representation of the demand in question. The paper is devoted to a study of different context-based models of(More)
Decision making and knowledge intensive work requires information supply tailored to the need of the user in question. Context management is considered a key contribution to this objective. The paper investigates context definitions and representations from two different viewpoints: information demand analysis and decision support. Discussion and comparison(More)
Increases in the amount of required information and intensive cooperation have caused a need to create an efficient knowledge sharing and exchange between members of the global information environment. The study of operations constituting these activities has led to the formulation of a new scientific area called knowledge logistics. This paper presents a(More)