EA200000035A1 - Способ (варианты) и система классификации текстов - Google Patents

Способ (варианты) и система классификации текстов

Info

Publication number
EA200000035A1
EA200000035A1 EA200000035A EA200000035A EA200000035A1 EA 200000035 A1 EA200000035 A1 EA 200000035A1 EA 200000035 A EA200000035 A EA 200000035A EA 200000035 A EA200000035 A EA 200000035A EA 200000035 A1 EA200000035 A1 EA 200000035A1
Authority
EA
Eurasian Patent Office
Prior art keywords
terms
cluster
knowledge base
documents
significance
Prior art date
Application number
EA200000035A
Other languages
English (en)
Inventor
Максим Жиляев
Original Assignee
Зэ Дайалог Корпорейшн
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 Зэ Дайалог Корпорейшн filed Critical Зэ Дайалог Корпорейшн
Publication of EA200000035A1 publication Critical patent/EA200000035A1/ru

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

Документы классифицируются в один или более кластеров (С) в соответствии с заранее заданными классификационными категориями путём построения базы знаний, содержащей матрицы векторов, которые показывают значимость терминов в массиве (Т) текста, образованном документами и классифицированном в базе знаний в каждый кластер (С). Значимость терминов определяется путём предположения о стандартном нормальном распределении вероятности, и термины определяются как значимые в кластере, если их вероятность появления, зависящая от случайности, низка. Для каждого кластера вырабатываются статистические характеристики, содержащие суммы взвешенных произведений и пересечений терминов кластера с терминами массива (Т), и используются в качестве различителей для классификации документов. База знаний строится с использованием префиксных и суффиксных лексических правил, которые чувствительны к контексту и применяются выборочно для улучшения точности и чёткости классификации.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA200000035A 1997-06-16 1998-06-16 Способ (варианты) и система классификации текстов EA200000035A1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/876,271 US6137911A (en) 1997-06-16 1997-06-16 Test classification system and method
PCT/US1998/012604 WO1998058344A1 (en) 1997-06-16 1998-06-16 Text classification system and method

Publications (1)

Publication Number Publication Date
EA200000035A1 true EA200000035A1 (ru) 2000-08-28

Family

ID=25367325

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200000035A EA200000035A1 (ru) 1997-06-16 1998-06-16 Способ (варианты) и система классификации текстов

Country Status (6)

Country Link
US (1) US6137911A (ru)
EP (1) EP0996927A4 (ru)
AU (1) AU760495B2 (ru)
EA (1) EA200000035A1 (ru)
NZ (1) NZ502332A (ru)
WO (1) WO1998058344A1 (ru)

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