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A grand variety of ontologies have been developed and tested in e-learning projects recently. One of the main purposes of the most projects is knowledge reuse, but only few ontologies are used or reused in practical e-learning systems. In this monograph, we comprehensively survey the usage of ontologies in e-learning, analyze the role, current state and outline the future of ontologies related to E-Learning. We discuss how ontologies should be used in practical e-learning systems to achieve improvement of the e-learning process at the acceptable cost. We also analyze specifics of the...

An extensive introduction provides basic information about Russian epics, their historical background, their poetics, the history of their collection, their performance context, and their main interpretations. In addition, their is a short introduction to each song, explaining its plot, allusions, and interpretations. A glossary of common terms and a selected bibliography of studies about the Russian epic in English and Russian are also included in the volume.

An extensive introduction provides basic information about Russian epics, their historical background, their poetics, the history of their collection, their performance context, and their main interpretations. In addition, their is a short introduction to each song, explaining its plot, allusions, and interpretations. A glossary of common terms and a selected bibliography of studies about the Russian epic in English and Russian are also included in the volume.