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Now I’ll try my
very best not to confuse you. This is
part of an actual database that I built so that my wife could use a title
listing to know which books were already in my “presidential library.” I’m going to try and describe how database
records are “parsed” or chopped up into parts that the computer can recognize
as “words.” The end result would be
the production of an “inverted file” – an alphabetized listing of what words
appear in what position of which record.
In addition to this example, see Walker and Janes pages 55 through 63
and the GEP DIALOG Lab Workbook pages 3-6 through 3-10. This screen and the next two show record
numbers (I’ve designated them ‘RN’) 101, 102, and 103. My database has three fields Author (AU),
Title (TI), and Subject (SU). We’re
going to build the inverted file for this tiny database of three records by
hand.
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