FR2027736A1 - - Google Patents

Info

Publication number
FR2027736A1
FR2027736A1 FR6945785A FR6945785A FR2027736A1 FR 2027736 A1 FR2027736 A1 FR 2027736A1 FR 6945785 A FR6945785 A FR 6945785A FR 6945785 A FR6945785 A FR 6945785A FR 2027736 A1 FR2027736 A1 FR 2027736A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR6945785A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2027736A1 publication Critical patent/FR2027736A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/901—Indexing; Data structures therefor; Storage structures
    • G06F16/9017—Indexing; Data structures therefor; Storage structures using directory or table look-up
    • G06F16/902—Indexing; Data structures therefor; Storage structures using directory or table look-up using more than one table in sequence, i.e. systems with three or more layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR6945785A 1969-01-03 1969-12-30 Withdrawn FR2027736A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78880769A 1969-01-03 1969-01-03

Publications (1)

Publication Number Publication Date
FR2027736A1 true FR2027736A1 (fr) 1970-10-02

Family

ID=25145616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6945785A Withdrawn FR2027736A1 (fr) 1969-01-03 1969-12-30

Country Status (5)

Country Link
US (1) US3593309A (fr)
JP (1) JPS4939850B1 (fr)
DE (1) DE1964570B2 (fr)
FR (1) FR2027736A1 (fr)
GB (1) GB1280483A (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3670310A (en) * 1970-09-16 1972-06-13 Infodata Systems Inc Method for information storage and retrieval
US3701111A (en) * 1971-02-08 1972-10-24 Ibm Method of and apparatus for decoding variable-length codes having length-indicating prefixes
CA1071332A (fr) * 1974-05-01 1980-02-05 Toshio Kashio Systeme de traitement des donnees
GB2060226A (en) * 1979-10-02 1981-04-29 Ibm Data compression-decompression
US4606002A (en) * 1983-05-02 1986-08-12 Wang Laboratories, Inc. B-tree structured data base using sparse array bit maps to store inverted lists
US4633393A (en) * 1983-10-21 1986-12-30 Storage Technology Partners Ii Generic key for indexing and searching user data in a digital information storage and retrieval device
US5274805A (en) * 1990-01-19 1993-12-28 Amalgamated Software Of North America, Inc. Method of sorting and compressing data
US5276868A (en) * 1990-05-23 1994-01-04 Digital Equipment Corp. Method and apparatus for pointer compression in structured databases
US5270712A (en) * 1992-04-02 1993-12-14 International Business Machines Corporation Sort order preserving method for data storage compression
US5590317A (en) * 1992-05-27 1996-12-31 Hitachi, Ltd. Document information compression and retrieval system and document information registration and retrieval method
CA2125337A1 (fr) * 1993-06-30 1994-12-31 Marlin Jay Eller Methode et systeme d'exploration de donnees comprimees
US5832499A (en) * 1996-07-10 1998-11-03 Survivors Of The Shoah Visual History Foundation Digital library system
US6353831B1 (en) 1998-11-02 2002-03-05 Survivors Of The Shoah Visual History Foundation Digital library system
GB2406678B (en) * 2000-11-30 2005-05-18 Coppereye Ltd Database
US7203431B2 (en) * 2003-12-26 2007-04-10 Ricoh Company, Ltd. Abnormality determining method, abnormality determining apparatus, and image forming apparatus
GB2424722A (en) * 2005-03-21 2006-10-04 Think Software Pty Ltd Method and apparatus for generating relevance sensitive collation keys

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3275989A (en) * 1961-10-02 1966-09-27 Burroughs Corp Control for digital computers
US3185824A (en) * 1961-10-24 1965-05-25 Ibm Adaptive data compactor
DE1162399B (de) * 1961-10-24 1964-02-06 Ibm Verdichter fuer Daten, deren statistische Verteilung sehr stark schwankt
US3225333A (en) * 1961-12-28 1965-12-21 Ibm Differential quantitized storage and compression
US3223982A (en) * 1962-04-06 1965-12-14 Olivetti & Co Spa Electronic computer with abbreviated addressing of data
DE1249924B (fr) * 1962-07-17
US3289169A (en) * 1962-09-27 1966-11-29 Beckman Instruments Inc Redundancy reduction memory
US3278907A (en) * 1964-02-17 1966-10-11 Hughes Aircraft Co Time compressor
US3490690A (en) * 1964-10-26 1970-01-20 Ibm Data reduction system
US3413611A (en) * 1966-01-17 1968-11-26 Pfuetze David Method and apparatus for the compaction of data
US3422403A (en) * 1966-12-07 1969-01-14 Webb James E Data compression system

Also Published As

Publication number Publication date
US3593309A (en) 1971-07-13
JPS4939850B1 (fr) 1974-10-29
DE1964570B2 (de) 1972-10-05
GB1280483A (en) 1972-07-05
DE1964570A1 (de) 1970-07-16

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Legal Events

Date Code Title Description
ST Notification of lapse