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Two level indexing
Example of two level indexing
2 - 8
When using this scheme, the Image Address (IA) assigned to each
document is defined as follows:
• Field A (Level 1) is defined as having a field length greater than
zero.
• Field B (Level 2) is defined as having a field length greater than
zero.
• Field C (Level 3) is defined as having a field length of zero.
• Fixed Field may be defined, if desired.
Let's use the scanning of a book as an example. Assume that the
book contains two chapters; Chapter 1 has forty (40) pages and
Chapter 2 has sixty (60) pages.
The Image Address has been defined:
• Field A has three (3) characters.
• Field B has two (2) characters.
• Field C has zero (0) characters.
• Fixed Field has zero (0) characters.
A-41069
January 1993
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