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2 - 10 A-41069 January 1993
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 of 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 zero (0) characters.
• Field B has two (2) characters.
• Field C has zero (0) characters.
• Fixed Field has zero (0) characters.
Two level offset indexing
Example of two level offset
indexing