10 Aug 2004
CS 5244: Orientation
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What to index?
¡Books indices have key words and phrases
¡Search engines index ____________
¡
¡Why the disparity?
¡What do people really search for?
l
¡
What is a word?
• Maximal sequence of alphanumeric characters
• Limited to at most 256 characters and at most
    4 numeric characters.  
- MG indexing system