A new approach to information science, activity theory emphasizes the centrality of practice as doing and activity and foregrounds setting and context as essential orienting concepts. It can provide information science with a rich, unifying, and heuristically valuable vocabulary and conceptual framework that will facilitate the continual…

Despite a growing development of virtual laboratories which use the advantages of multimedia and Internet for distance education, learning by means of such tutorial tools would be more effective if they were specifically tailored to each student needs. The virtual teaching process would be well adapted if an artificial tutor can identify the…