CH515558A - Verfahren zur Erzeugung eines mehrstufigen verdichteten Index - Google Patents

Verfahren zur Erzeugung eines mehrstufigen verdichteten Index

Info

Publication number
CH515558A
CH515558A CH888770A CH888770A CH515558A CH 515558 A CH515558 A CH 515558A CH 888770 A CH888770 A CH 888770A CH 888770 A CH888770 A CH 888770A CH 515558 A CH515558 A CH 515558A
Authority
CH
Switzerland
Prior art keywords
index
generating
level condensed
condensed
level
Prior art date
Application number
CH888770A
Other languages
English (en)
Inventor
Loizides Edward
Franklin Steigerwalt George
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 CH515558A publication Critical patent/CH515558A/de

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
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/901—Indexing; Data structures therefor; Storage structures
    • G06F16/9014—Indexing; Data structures therefor; Storage structures hash tables
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99941—Database schema or data structure
    • Y10S707/99942—Manipulating data structure, e.g. compression, compaction, compilation

Landscapes

  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (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)
CH888770A 1969-06-26 1970-06-12 Verfahren zur Erzeugung eines mehrstufigen verdichteten Index CH515558A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83693069A 1969-06-26 1969-06-26

Publications (1)

Publication Number Publication Date
CH515558A true CH515558A (de) 1971-11-15

Family

ID=25273073

Family Applications (1)

Application Number Title Priority Date Filing Date
CH888770A CH515558A (de) 1969-06-26 1970-06-12 Verfahren zur Erzeugung eines mehrstufigen verdichteten Index

Country Status (11)

Country Link
US (1) US3603937A (de)
JP (1) JPS5026256B1 (de)
BE (1) BE751574A (de)
CA (1) CA944082A (de)
CH (1) CH515558A (de)
DE (1) DE2031797A1 (de)
ES (1) ES380988A1 (de)
FR (1) FR2052419A5 (de)
GB (1) GB1280486A (de)
NL (1) NL7009516A (de)
SE (1) SE354366B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827031A (en) * 1973-03-19 1974-07-30 Instr Inc Element select/replace apparatus for a vector computing system
US4068298A (en) * 1975-12-03 1978-01-10 Systems Development Corporation Information storage and retrieval system
US4267568A (en) * 1975-12-03 1981-05-12 System Development Corporation Information storage and retrieval system
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
JPH0833806B2 (ja) * 1989-03-13 1996-03-29 富士通株式会社 データ処理装置における多国語変換処理方式
US6389174B1 (en) * 1996-05-03 2002-05-14 Intel Corporation Video transcoding with interim encoding format
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
US6857044B2 (en) * 2001-10-15 2005-02-15 International Business Machines Corporation Data storage device for fast multiple file write operations
US8843449B2 (en) * 2009-06-16 2014-09-23 Bmc Software, Inc. Unobtrusive copies of actively used compressed indices
US9659043B2 (en) * 2013-02-07 2017-05-23 Enigma Technologies, Inc. Data system and method
CN106557477B (zh) * 2015-09-24 2020-05-19 伊姆西Ip控股有限责任公司 在存储器中锁定文件的方法和设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3242470A (en) * 1962-08-21 1966-03-22 Bell Telephone Labor Inc Automation of telephone information service
US3289169A (en) * 1962-09-27 1966-11-29 Beckman Instruments Inc Redundancy reduction memory
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

Also Published As

Publication number Publication date
DE2031797A1 (de) 1971-01-07
US3603937A (en) 1971-09-07
ES380988A1 (es) 1972-10-16
NL7009516A (de) 1970-12-29
CA944082A (en) 1974-03-19
BE751574A (fr) 1970-11-16
FR2052419A5 (de) 1971-04-09
GB1280486A (en) 1972-07-05
JPS5026256B1 (de) 1975-08-29
SE354366B (de) 1973-03-05

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Legal Events

Date Code Title Description
PL Patent ceased