Determining redundancies in content object directories

US 20030101162A1

(19) United States

(12) Patent Application Publication (io) Pub. No.: US 2003/0101162 Al

Thompson et al. (43) Pub. Date: May 29,2003

COMPARE THE FIRST FREQUENCY REPRESENTATION
WITH THE SECOND FREQUENCY REPRESENTATION

3\(o

DETERMINE FROM THE COMPARISON WHETHER THE
UNKNOWN FILE IS EQUIVALENT TO THE DESIRED FILE

32o

ACCESS A MULTIPLE NUMBER OF FILES STORED ON A

MEMORY

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DETERMINE A FINGERPRINT FOR EACH OF THE FILES

101

ESTABLISH A REDUNDANCY STANDARD SO AS TO INDICATE WHEN TWO OF THE FILES ARE REDUNDANT OF ONE ANOTHER

COMPARE THE FINGERPRINTS OF AT LEAST SOME OF

THE FILES

IIL

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lie

DETERMINE REDUNDANT FILES BASED UPON THE
COMPARING OF THE FINGERPRINTS

\lO

ASSOCIATE THE FREQUENCY REPRESENTATION OF THE
FILE WITH THE FILE NAME

170

INCLUDE THE FREQUENCY REPRESENTATION AS PART
OF A FILE DESCRIPTOR

'Z27

COMPARE THE FIRST FREQUENCY REPRESENTATION
WITH THE SECOND FREQUENCY REPRESENTATION

3ik

DETERMINE FROM THE COMPARISON WHETHER THE
UNKNOWN FILE IS EQUIVALENT TO THE DESIRED FILE

■320