WO2007124144A3 - Surrogate hashing - Google Patents

Surrogate hashing Download PDF

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Publication number
WO2007124144A3
WO2007124144A3 PCT/US2007/009816 US2007009816W WO2007124144A3 WO 2007124144 A3 WO2007124144 A3 WO 2007124144A3 US 2007009816 W US2007009816 W US 2007009816W WO 2007124144 A3 WO2007124144 A3 WO 2007124144A3
Authority
WO
WIPO (PCT)
Prior art keywords
hash value
another
file
hashing
surrogate
Prior art date
Application number
PCT/US2007/009816
Other languages
French (fr)
Other versions
WO2007124144A2 (en
Inventor
Jr Charles F Kaminski
Original Assignee
Datascout Inc
Jr Charles F Kaminski
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Datascout Inc, Jr Charles F Kaminski filed Critical Datascout Inc
Publication of WO2007124144A2 publication Critical patent/WO2007124144A2/en
Publication of WO2007124144A3 publication Critical patent/WO2007124144A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/951—Indexing; Web crawling techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
    • G06F16/53—Querying
    • G06F16/532—Query formulation, e.g. graphical querying

Abstract

Surrogate hashing is described, including running a hashing algorithm against a portion of a file to generate a hash value, determining whether the hash value is substantially similar to a stored hash value associated with another portion of another file, the portion and the another portion being standardized, and identifying a location of the another file if the hash value is substantially similar to the stored hash value associated with the another portion of the another file.
PCT/US2007/009816 2006-04-20 2007-04-19 Surrogate hashing WO2007124144A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/408,199 US7840540B2 (en) 2006-04-20 2006-04-20 Surrogate hashing
US11/408,199 2006-04-20

Publications (2)

Publication Number Publication Date
WO2007124144A2 WO2007124144A2 (en) 2007-11-01
WO2007124144A3 true WO2007124144A3 (en) 2008-08-28

Family

ID=38620706

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/009816 WO2007124144A2 (en) 2006-04-20 2007-04-19 Surrogate hashing

Country Status (2)

Country Link
US (6) US7840540B2 (en)
WO (1) WO2007124144A2 (en)

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Also Published As

Publication number Publication date
US7840540B2 (en) 2010-11-23
US7792810B1 (en) 2010-09-07
US8185507B1 (en) 2012-05-22
US8171004B1 (en) 2012-05-01
US20070250521A1 (en) 2007-10-25
US7747582B1 (en) 2010-06-29
WO2007124144A2 (en) 2007-11-01
US20120203748A1 (en) 2012-08-09

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