The previous chapter defined the basic terminology of information retrieval (IR) and presented some models of how IR systems are used. Before proceeding into the details of IR systems, however, it is worthwhile to step back and consider the more fundamental aspects of information, especially as it is used in the health care domain. In this chapter, the topic of information itself is explored, with particular attention to what it consists of and how it is produced and used. Consideration of this topic allows a better understanding of the roles as well as the limitations of IR systems.
KeywordsScientific Information Peer Review Process Infonnation Retrieval System Electronic Publishing Primary Literature
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