In this study, titles, abstracts, and tables of content were evaluated and compared. The evaluation of the representativeness of surrogates and the evaluation through retrieval experiments were carried out in this study. Through the two experiments it was proved that titles are the best surrogate to condense information but they can't contain sufficient information because of the degree of condensation. Abstracts and tables of content are more effective than titles, while tables of content are the most effective.

The purpose of this study is to grope for policy to foster the database industry of Korea. Then, this study suggests a definition, classifications and the industry structure of database, and presents the developing processes of both world and Korea database industry. Finally, the problems of domestic database industry of Korea are pointed out and the policy to foster it is suggested.

Using information mapping methodology we will discover which of the multitude of information sources, services and systems used by corporation are actually resources and which are less important, redundant, or unnecessary. The discovery process of information resources will illuminate problems and opportunities related corporation's strengths and weeknesses in information quality, accessibility, performance, use, and effectiveness.