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

Inventor： LISLE RONALD JAY ,  MOSS EUAL AARON ,  RYDER JOHN HOYT

IPC: G06F5/00 ,  G06F17/22 ,  H03M7/30 ,  H03M7/42 ,  G06F15/40

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.

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

Inventor： LISLE RONALD JAY ,  MOSS EUAL AARON ,  RYDER JOHN HOYT

IPC: G06F5/00 ,  G06F17/22 ,  H03M7/30 ,  H03M7/42 ,  G06F17/30

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.

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

Inventor： LISLE RONALD JAY ,  MOSS EUAL AARON ,  RYDER JOHN HOYT

IPC: G06F5/00 ,  G06F17/22 ,  H03M7/30 ,  H03M7/42 ,  G06F17/30

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.

公开(公告)号：DE2301727A1

公开(公告)日：1973-08-23

申请号：DE2301727

申请日：1973-01-13

Applicant: IBM

Inventor： BOUDREAU PAUL EMIL ,  DIXON ROY CONRAD ,  DONNAN ROBERT ANDERSON ,  MOSS EUAL AARON

IPC: H04L5/22 ,  G06F13/00 ,  G06F13/42 ,  H04L12/433 ,  G06F3/04

Abstract: A serial loop data communications system having store and forward capability at each terminal interface on the loop and in which data signal entities, each of which includes a plurality of data bits, addressed to subsequent terminals on the loop are stored in successive locations in a serial storage device when received if a terminal associated with the interface is transmitting. At the termination of data transmission by the associated terminal, the previously stored data signal entities are forwarded from the data entity storage position occupied by the oldest received entity and subsequently received entities are advanced to successive entity storage positions until data signal entities for subsequent terminals on the loop are no longer received, at which time advancement of the data signal entities is terminated and the data signal entities then remaining in storage, are forwarded from the successive entity storage locations in the serial storage in the order of receipt.

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

Inventor： LISLE RONALS JAY ,  MOSS EUAL AARON ,  RYDER JOHN HOYT

IPC: G06F5/00 ,  G06F17/22 ,  H03M7/30 ,  H03M7/42 ,  G06F15/20

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.

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

Inventor： LISLE RONALD J ,  MOSS EUAL AARON ,  RYDER JOHN HOYT

IPC: G06F5/00 ,  G06F17/22 ,  H03M7/30 ,  H03M7/42

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.

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

Inventor： LISLE RONALD JAY ,  MOSS EUAL AARON ,  RYDER JOHN HOYT

IPC: G06F5/00 ,  G06F17/22 ,  H03M7/30 ,  H03M7/42 ,  G06F15/40

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.

公开(公告)号：NO173576B

公开(公告)日：1993-09-20

申请号：NO875048

申请日：1987-12-03

Applicant: IBM

Inventor： LISLE RONALD JAY ,  MOSS EUAL AARON ,  RYDER JOHN HOYT

IPC: G06F5/00 ,  G06F17/22 ,  H03M7/30 ,  H03M7/42 ,  G06F15/20

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.

公开(公告)号：NO875048D0

公开(公告)日：1987-12-03

申请号：NO875048

申请日：1987-12-03

Applicant: IBM

Inventor： LISLE RONALD JAY ,  MOSS EUAL AARON ,  RYDER JOHN HOYT

IPC: G06F5/00 ,  G06F17/22 ,  H03M7/30 ,  H03M7/42 ,  G06F

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.

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

Inventor： LISLE RONALD JAY ,  MOSS EUAL AARON ,  RYDER JOHN HOYT

IPC: G06F5/00 ,  G06F17/22 ,  H03M7/30 ,  H03M7/42 ,  G06F17/30

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.