Method of indexing keywords for searching in a database recorded on an information recording medium
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United States of America Patent
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Dec 20, 1994
Grant Date -
N/A
app pub date -
Nov 5, 1991
filing date -
Nov 5, 1991
priority date (Note) -
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Abstract
A method of storing and searching data on a mass storage medium is provided. A dictionary of keywords in a data file is compiled and a unique ID number is assigned to each keyword. A plurality of the most frequently occurring keywords are assigned ID numbers opposite in sense to the frequency of occurrence of the keyword. The dictionary of keywords is classified into a plurality of classes, the class of keywords least frequently occurring within the database having the fewest levels of indexing and the most amount of information regarding the exact location of a keyword within the data file.
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