1.
    发明专利
    未知

    公开(公告)号:DE3751421T2

    公开(公告)日:1996-03-28

    申请号:DE3751421

    申请日:1987-10-02

    Applicant: IBM

    Abstract: A text compression method and apparatus are disclosed that enable overall compression ratios of more than six or eight to one for normal language text. Plural multiple-word dictionaries that are specialized for the particular field of use are employed together with a header transmission format that identifies which dictionaries are to be used. In addition, entries in these dictionaries are categorized by a weighted frequency of use ranking in which the product of the word length in characters and the frequency of occurrence of that word in the text is taken as the weighted figure of merit for ranking words to be placed in the individual dictionaries.

    2.
    发明专利
    未知

    公开(公告)号:AT125375T

    公开(公告)日:1995-08-15

    申请号:AT87114433

    申请日:1987-10-02

    Applicant: IBM

    Abstract: A text compression method and apparatus are disclosed that enable overall compression ratios of more than six or eight to one for normal language text. Plural multiple-word dictionaries that are specialized for the particular field of use are employed together with a header transmission format that identifies which dictionaries are to be used. In addition, entries in these dictionaries are categorized by a weighted frequency of use ranking in which the product of the word length in characters and the frequency of occurrence of that word in the text is taken as the weighted figure of merit for ranking words to be placed in the individual dictionaries.

    3.
    发明专利
    未知

    公开(公告)号:DE68926606D1

    公开(公告)日:1996-07-11

    申请号:DE68926606

    申请日:1989-09-12

    Applicant: IBM

    Abstract: The method of the invention consists, for the sender of a data object, first modifying the object into an unusable form and inserting into it a verification indicia and an enabling facility which is capable of rendering the data object into an operative state when certain prerequisite conditions are met. The receiver or user inserts the data object into a workstation to view portions of the enabling facility, and then enters his acceptance or rejection of terms and conditions relating to the use and installation of the data object in response to prompts that are presented by the enabling facility. If the prerequisite conditions are met and agreed to, the data object is rendered into a usable and operable data form.

    4.
    发明专利
    未知

    公开(公告)号:DK636087A

    公开(公告)日:1988-06-05

    申请号:DK636087

    申请日:1987-12-03

    Applicant: IBM

    Abstract: A text compression method and apparatus are disclosed that enable overall compression ratios of more than six or eight to one for normal language text. Plural multiple-word dictionaries that are specialized for the particular field of use are employed together with a header transmission format that identifies which dictionaries are to be used. In addition, entries in these dictionaries are categorized by a weighted frequency of use ranking in which the product of the word length in characters and the frequency of occurrence of that word in the text is taken as the weighted figure of merit for ranking words to be placed in the individual dictionaries.

    5.
    发明专利
    未知

    公开(公告)号:NO173576C

    公开(公告)日:1993-12-29

    申请号:NO875048

    申请日:1987-12-03

    Applicant: IBM

    Abstract: A text compression method and apparatus are disclosed that enable overall compression ratios of more than six or eight to one for normal language text. Plural multiple-word dictionaries that are specialized for the particular field of use are employed together with a header transmission format that identifies which dictionaries are to be used. In addition, entries in these dictionaries are categorized by a weighted frequency of use ranking in which the product of the word length in characters and the frequency of occurrence of that word in the text is taken as the weighted figure of merit for ranking words to be placed in the individual dictionaries.

    6.
    发明专利
    未知

    公开(公告)号:BR8706325A

    公开(公告)日:1988-07-19

    申请号:BR8706325

    申请日:1987-11-24

    Applicant: IBM

    Abstract: A text compression method and apparatus are disclosed that enable overall compression ratios of more than six or eight to one for normal language text. Plural multiple-word dictionaries that are specialized for the particular field of use are employed together with a header transmission format that identifies which dictionaries are to be used. In addition, entries in these dictionaries are categorized by a weighted frequency of use ranking in which the product of the word length in characters and the frequency of occurrence of that word in the text is taken as the weighted figure of merit for ranking words to be placed in the individual dictionaries.

    7.
    发明专利
    未知

    公开(公告)号:DK636087D0

    公开(公告)日:1987-12-03

    申请号:DK636087

    申请日:1987-12-03

    Applicant: IBM

    Abstract: A text compression method and apparatus are disclosed that enable overall compression ratios of more than six or eight to one for normal language text. Plural multiple-word dictionaries that are specialized for the particular field of use are employed together with a header transmission format that identifies which dictionaries are to be used. In addition, entries in these dictionaries are categorized by a weighted frequency of use ranking in which the product of the word length in characters and the frequency of occurrence of that word in the text is taken as the weighted figure of merit for ranking words to be placed in the individual dictionaries.

    8.
    发明专利
    未知

    公开(公告)号:DE3751421D1

    公开(公告)日:1995-08-24

    申请号:DE3751421

    申请日:1987-10-02

    Applicant: IBM

    Abstract: A text compression method and apparatus are disclosed that enable overall compression ratios of more than six or eight to one for normal language text. Plural multiple-word dictionaries that are specialized for the particular field of use are employed together with a header transmission format that identifies which dictionaries are to be used. In addition, entries in these dictionaries are categorized by a weighted frequency of use ranking in which the product of the word length in characters and the frequency of occurrence of that word in the text is taken as the weighted figure of merit for ranking words to be placed in the individual dictionaries.

    TEXT COMPRESSION AND EXPANSION METHOD AND APPARATUS

    公开(公告)号:AU596713B2

    公开(公告)日:1990-05-10

    申请号:AU8163787

    申请日:1987-11-24

    Applicant: IBM

    Abstract: A text compression method and apparatus are disclosed that enable overall compression ratios of more than six or eight to one for normal language text. Plural multiple-word dictionaries that are specialized for the particular field of use are employed together with a header transmission format that identifies which dictionaries are to be used. In addition, entries in these dictionaries are categorized by a weighted frequency of use ranking in which the product of the word length in characters and the frequency of occurrence of that word in the text is taken as the weighted figure of merit for ranking words to be placed in the individual dictionaries.

    TEXT COMPRESSION AND EXPANSION METHOD AND APPARATUS

    公开(公告)号:AU8163787A

    公开(公告)日:1988-06-09

    申请号:AU8163787

    申请日:1987-11-24

    Applicant: IBM

    Abstract: A text compression method and apparatus are disclosed that enable overall compression ratios of more than six or eight to one for normal language text. Plural multiple-word dictionaries that are specialized for the particular field of use are employed together with a header transmission format that identifies which dictionaries are to be used. In addition, entries in these dictionaries are categorized by a weighted frequency of use ranking in which the product of the word length in characters and the frequency of occurrence of that word in the text is taken as the weighted figure of merit for ranking words to be placed in the individual dictionaries.

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