WO2003040875A3 - Systems, methods, and software for classifying documents - Google Patents

Systems, methods, and software for classifying documents Download PDF

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Publication number
WO2003040875A3
WO2003040875A3 PCT/US2002/035177 US0235177W WO03040875A3 WO 2003040875 A3 WO2003040875 A3 WO 2003040875A3 US 0235177 W US0235177 W US 0235177W WO 03040875 A3 WO03040875 A3 WO 03040875A3
Authority
WO
WIPO (PCT)
Prior art keywords
target
text
classes
target classes
input text
Prior art date
Application number
PCT/US2002/035177
Other languages
French (fr)
Other versions
WO2003040875A2 (en
Original Assignee
West Publishing Company Doing
Al Kofahi Khalid
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 West Publishing Company Doing, Al Kofahi Khalid filed Critical West Publishing Company Doing
Priority to NZ533105A priority Critical patent/NZ533105A/en
Priority to DE60231005T priority patent/DE60231005D1/en
Priority to DK02786640T priority patent/DK1464013T3/en
Priority to JP2003542441A priority patent/JP4342944B2/en
Priority to CA2470299A priority patent/CA2470299C/en
Priority to EP02786640A priority patent/EP1464013B1/en
Priority to AU2002350112A priority patent/AU2002350112B8/en
Priority to CN028266501A priority patent/CN1701324B/en
Publication of WO2003040875A2 publication Critical patent/WO2003040875A2/en
Publication of WO2003040875A3 publication Critical patent/WO2003040875A3/en
Priority to AU2009202974A priority patent/AU2009202974B2/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
    • G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
    • G06F16/35—Clustering; Classification
    • G06F16/353—Clustering; Classification into predefined classes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/25—Fusion techniques
    • G06F18/254—Fusion techniques of classification results, e.g. of results related to same input data
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99941—Database schema or data structure
    • Y10S707/99942—Manipulating data structure, e.g. compression, compaction, compilation

Abstract

To reduce cost and improve accuracy, the inventors devised systems, methods, and software to aid classification of text, such as headnotes and other documents, to target classes in a target classification system. For example, one system computes composite scores based on: similarity of input text to text assigned to each of the target classes; similarity of non-target classes assigned to the input text and target classes; probability of a target class given a set of one or more non-target classes assigned to the input text; and/or probability of the input text given text assigned to the target classes. The exemplary system then evaluates the compposite scores using class-specific decision criteria, such as thresholds, ultimately assigning or recommending assignment of the input text to one or more of the target classes. The exemplary system is particularly suitable for classification systems having thousands of classes.
PCT/US2002/035177 2001-11-02 2002-11-01 Systems, methods, and software for classifying documents WO2003040875A2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NZ533105A NZ533105A (en) 2001-11-02 2002-11-01 Systems, methods, and software for classifying documents
DE60231005T DE60231005D1 (en) 2001-11-02 2002-11-01 SYSTEMS, METHODS, AND SOFTWARE FOR CLASSIFYING DOCUMENTS
DK02786640T DK1464013T3 (en) 2001-11-02 2002-11-01 Document classification systems, methods and software
JP2003542441A JP4342944B2 (en) 2001-11-02 2002-11-01 System, method, and software for classifying documents
CA2470299A CA2470299C (en) 2001-11-02 2002-11-01 Systems, methods, and software for classifying documents
EP02786640A EP1464013B1 (en) 2001-11-02 2002-11-01 Systems, methods, and software for classifying documents
AU2002350112A AU2002350112B8 (en) 2001-11-02 2002-11-01 Systems, methods, and software for classifying documents
CN028266501A CN1701324B (en) 2001-11-02 2002-11-01 Systems, methods, and software for classifying text
AU2009202974A AU2009202974B2 (en) 2001-11-02 2009-07-23 Systems, methods, and software for classifying documents

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33686201P 2001-11-02 2001-11-02
US60/336,862 2001-11-02

Publications (2)

Publication Number Publication Date
WO2003040875A2 WO2003040875A2 (en) 2003-05-15
WO2003040875A3 true WO2003040875A3 (en) 2003-08-07

Family

ID=23317997

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/035177 WO2003040875A2 (en) 2001-11-02 2002-11-01 Systems, methods, and software for classifying documents

Country Status (12)

Country Link
US (3) US7062498B2 (en)
EP (2) EP1464013B1 (en)
JP (3) JP4342944B2 (en)
CN (1) CN1701324B (en)
AT (1) ATE421730T1 (en)
AU (2) AU2002350112B8 (en)
CA (2) CA2470299C (en)
DE (1) DE60231005D1 (en)
DK (1) DK1464013T3 (en)
ES (1) ES2321075T3 (en)
NZ (1) NZ533105A (en)
WO (1) WO2003040875A2 (en)

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