Types of Commercial Databases Accessible Online

Bibliographic & Full Text

• These may be citations to books or articles
• Some may include abstracts or summaries
• Full-text bibliographic databases provide the entire text of articles in journals.
• Some also provide graphics
• Examples:
  • UMI ProQuest
  • Uncover
  • Academic Index

Bibliographic Utilities

• Contain standardized bibliographic records of books and other media.
• Examples:
  • OCLC
  • RLIN

Directory

• These are usually indexes, lists.
• Example:
  • Books in Print
  • Derwent Patent Database
  • Encyclopedia of Associations

Numerical

• These usually contain statistics, scientific, or other data.
• Example:
  • CENDATA (census data)
  • U.S. Time Series

Graphics

• These databases provide access to graphics, photographs, and/or images of trademarks.
  • Trademarkscan (via the Web)

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