Here are some examples of using our search engine. Typing in...

• information retrieval
  finds documents containing "information" or "retrieval"
  
  
• information or retrieval
  same as above
  
  
• information and retrieval
  finds documents containing both "information" and "retrieval"
  
  
• information not retrieval
  finds documents containing "information" but not "retrieval"
  
  
• (information not retrieval) and WAIS
  finds documents containing "WAIS", plus "information", but not "retrieval"
  
  
• web*
  finds documents containing words starting with "web"

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