DK636087A - Fremgangsmaade og apparat til at komprimere og ekspandere tekst - Google Patents

Fremgangsmaade og apparat til at komprimere og ekspandere tekst

Info

Publication number
DK636087A
DK636087A DK636087A DK636087A DK636087A DK 636087 A DK636087 A DK 636087A DK 636087 A DK636087 A DK 636087A DK 636087 A DK636087 A DK 636087A DK 636087 A DK636087 A DK 636087A
Authority
DK
Denmark
Prior art keywords
dictionaries
text
word
weighted
compressing
Prior art date
Application number
DK636087A
Other languages
Danish (da)
English (en)
Other versions
DK636087D0 (da
Inventor
Ronald Jay Lisle
Eual Aaron Moss
John Hoyt Ryder
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of DK636087D0 publication Critical patent/DK636087D0/da
Publication of DK636087A publication Critical patent/DK636087A/da

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/12—Use of codes for handling textual entities
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Document Processing Apparatus (AREA)
DK636087A 1986-12-04 1987-12-03 Fremgangsmaade og apparat til at komprimere og ekspandere tekst DK636087A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/937,799 US4843389A (en) 1986-12-04 1986-12-04 Text compression and expansion method and apparatus

Publications (2)

Publication Number Publication Date
DK636087D0 DK636087D0 (da) 1987-12-03
DK636087A true DK636087A (da) 1988-06-05

Family

ID=25470423

Family Applications (1)

Application Number Title Priority Date Filing Date
DK636087A DK636087A (da) 1986-12-04 1987-12-03 Fremgangsmaade og apparat til at komprimere og ekspandere tekst

Country Status (10)

Country Link
US (1) US4843389A (ja)
EP (1) EP0286719B1 (ja)
JP (1) JPS63151224A (ja)
AT (1) ATE125375T1 (ja)
AU (1) AU596713B2 (ja)
BR (1) BR8706325A (ja)
CA (1) CA1290061C (ja)
DE (1) DE3751421T2 (ja)
DK (1) DK636087A (ja)
NO (1) NO173576C (ja)

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Also Published As

Publication number Publication date
AU8163787A (en) 1988-06-09
AU596713B2 (en) 1990-05-10
JPS63151224A (ja) 1988-06-23
NO173576C (no) 1993-12-29
NO875048L (no) 1988-06-06
EP0286719A3 (en) 1992-01-22
NO173576B (no) 1993-09-20
NO875048D0 (no) 1987-12-03
DK636087D0 (da) 1987-12-03
BR8706325A (pt) 1988-07-19
US4843389A (en) 1989-06-27
ATE125375T1 (de) 1995-08-15
EP0286719B1 (en) 1995-07-19
DE3751421T2 (de) 1996-03-28
CA1290061C (en) 1991-10-01
JPH026252B2 (ja) 1990-02-08
EP0286719A2 (en) 1988-10-19
DE3751421D1 (de) 1995-08-24

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