Building “My First IFISH”:Meta-Index for Phone Directories

• Identify the “building block” services

  • Ex: (mythical) “white-pages.com”

• Identify primitive information types

  • phone-number
  • name (last-name, first-name)
  • address

• Identify possible queries to the service:

  • Input: phone-number, Output: name
  • Input: name, Output: phone-number

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