1.1 Definition of Information Retrieval System
1.2 Objectives of Information Retrieval Systems
1.3 Functional Overview
1.4 Relationship to Database Management Systems
1.5 Digital Libraries and Data Warehouses
1.6 Summary
This chapter defines an Information Storage and Retrieval System (called an Information Retrieval System for brevity) and differentiates between information retrieval and database management systems.All writers have a vocabulary limited by their life experiences, environment where they were raised and ability to express themselves.There are natural obstacles to specification of the information a user needs that come from ambiguities inherent in languages, limits to the user's ability to express what information is needed and differences between the user's vocabulary corpus and that of the authors of the items in the database.Course Overview 6
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