Topic 1 Introduction to Internet Resources
Categories Subjects Purpose Search Facilities Search Strategy
Databases
- Search engines can only find information on the visible web
- Most content (500times larger) resides in online databases
- Also known as the invisible web or deep web
- Examples: newspaper and magazine archives
Searching databases
- Database producer publishes the printed version
- Database vendor (e.g. EBSCO, DIALOG)
Database structure
- Fields
- AU (Author)
- TI (Title)
- SO (Source)
- AB (Abstract)
- PY (Publication Year)
- Records
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