FR2289961A1 - Systeme informatique de manipulation d'un fichier de donnees - Google Patents

Systeme informatique de manipulation d'un fichier de donnees

Info

Publication number
FR2289961A1
FR2289961A1 FR7532183A FR7532183A FR2289961A1 FR 2289961 A1 FR2289961 A1 FR 2289961A1 FR 7532183 A FR7532183 A FR 7532183A FR 7532183 A FR7532183 A FR 7532183A FR 2289961 A1 FR2289961 A1 FR 2289961A1
Authority
FR
France
Prior art keywords
manipulating
computer system
data file
file
data
Prior art date
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.)
Granted
Application number
FR7532183A
Other languages
English (en)
French (fr)
Other versions
FR2289961B1 (US20030157376A1-20030821-M00001.png
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.)
Fujitsu Services Ltd
Original Assignee
Fujitsu Services Ltd
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 Fujitsu Services Ltd filed Critical Fujitsu Services Ltd
Publication of FR2289961A1 publication Critical patent/FR2289961A1/fr
Application granted granted Critical
Publication of FR2289961B1 publication Critical patent/FR2289961B1/fr
Granted 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
    • H03M7/3066—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction by means of a mask or a bit-map
    • 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
    • G06F16/903—Querying
    • G06F16/90335—Query processing
    • G06F16/90344—Query processing by using string matching techniques
    • 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
    • Y10S707/99931—Database or file accessing

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Computational Linguistics (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)
FR7532183A 1974-10-29 1975-10-21 Systeme informatique de manipulation d'un fichier de donnees Granted FR2289961A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB46651/74A GB1492260A (en) 1974-10-29 1974-10-29 Data processing systems

Publications (2)

Publication Number Publication Date
FR2289961A1 true FR2289961A1 (fr) 1976-05-28
FR2289961B1 FR2289961B1 (US20030157376A1-20030821-M00001.png) 1981-05-22

Family

ID=10442072

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7532183A Granted FR2289961A1 (fr) 1974-10-29 1975-10-21 Systeme informatique de manipulation d'un fichier de donnees

Country Status (6)

Country Link
US (1) US4064489A (US20030157376A1-20030821-M00001.png)
DE (1) DE2547035C3 (US20030157376A1-20030821-M00001.png)
FR (1) FR2289961A1 (US20030157376A1-20030821-M00001.png)
GB (1) GB1492260A (US20030157376A1-20030821-M00001.png)
HU (1) HU175241B (US20030157376A1-20030821-M00001.png)
ZA (1) ZA755134B (US20030157376A1-20030821-M00001.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2414828A1 (fr) * 1978-01-13 1979-08-10 Ncr Co Appareil de decodage de mots de code de longueur variable

Families Citing this family (31)

* Cited by examiner, † Cited by third party
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JPS5362945A (en) * 1976-11-17 1978-06-05 Toshiba Corp Disc address system
US4153943A (en) * 1977-08-12 1979-05-08 Honeywell Inc. High speed I/O for content addressable type memories
US4228501A (en) * 1978-06-21 1980-10-14 Data General Corporation Data transfer technique for use with peripheral storage devices
US4285049A (en) * 1978-10-11 1981-08-18 Operating Systems, Inc. Apparatus and method for selecting finite success states by indexing
US4296475A (en) * 1978-12-19 1981-10-20 U.S. Philips Corporation Word-organized, content-addressable memory
US4748589A (en) * 1979-09-06 1988-05-31 Sharp Kabushiki Kaisha Electronic translator
GB2060226A (en) * 1979-10-02 1981-04-29 Ibm Data compression-decompression
US4418275A (en) * 1979-12-07 1983-11-29 Ncr Corporation Data hashing method and apparatus
US4464719A (en) * 1979-12-28 1984-08-07 Chevron Research Company Off-line method of depicting piping items of pipe specification files of a computer-aided graphics system, without duplications occurring
US4449233A (en) 1980-02-04 1984-05-15 Texas Instruments Incorporated Speech synthesis system with parameter look up table
WO1981003560A1 (en) * 1980-06-02 1981-12-10 Mostek Corp Data compression,encryption,and in-line transmission system
AU560352B2 (en) * 1981-10-05 1987-04-02 Digital Equipment Corporation Secondary storage facility employing serial communications between drive and controller
US4545032A (en) * 1982-03-08 1985-10-01 Iodata, Inc. Method and apparatus for character code compression and expansion
US4937779A (en) * 1983-01-20 1990-06-26 Canon Kabushiki Kaisha Information retrieving apparatus capable of rearranging information stored in memory
US4825403A (en) * 1983-05-16 1989-04-25 Data General Corporation Apparatus guaranteeing that a controller in a disk drive system receives at least some data from an invalid track sector
SE8302786L (sv) * 1983-05-18 1984-11-19 Satt Electronics Ab Radar
US5202979A (en) * 1985-05-08 1993-04-13 Thinking Machines Corporation Storage system using multiple independently mechanically-driven storage units
US4803651A (en) * 1986-02-10 1989-02-07 Ibm Corporation Method for encoding and decoding acyclic, linked-list data structures for efficient storage, retrieval and searching
US5532694A (en) * 1989-01-13 1996-07-02 Stac Electronics, Inc. Data compression apparatus and method using matching string searching and Huffman encoding
US5146221A (en) * 1989-01-13 1992-09-08 Stac, Inc. Data compression apparatus and method
US5313604A (en) * 1990-11-13 1994-05-17 Hewlett-Packard Company Method for locating compressed data in a computed memory back up device including steps of refining estimater location
US5245337A (en) * 1991-05-29 1993-09-14 Triada, Ltd. Data compression with pipeline processors having separate memories
US5592667A (en) * 1991-05-29 1997-01-07 Triada, Ltd. Method of storing compressed data for accelerated interrogation
US5572637A (en) * 1994-06-30 1996-11-05 International Business Machines Corporation Process for merging CAD vector files and automatically removing duplicate and obsolete patterns
GB2310055A (en) * 1996-02-08 1997-08-13 Ibm Compression of structured data
GB2387089B (en) * 2002-03-28 2004-12-22 Matsushita Comm Ind Uk Ltd Improved carryout word calculation for cyclic shift registers
US20080082455A1 (en) * 2006-09-29 2008-04-03 Yigang Cai System and method for communicating charging data records
US11070860B2 (en) 2013-02-14 2021-07-20 Comcast Cable Communications, Llc Content delivery
US10440499B2 (en) 2014-06-16 2019-10-08 Comcast Cable Communications, Llc User location and identity awareness
US10045090B2 (en) 2014-08-11 2018-08-07 Comcast Cable Communications, Llc Merging permissions and content access
CN113094292B (zh) 2020-01-09 2022-12-02 上海宝存信息科技有限公司 数据存储装置以及非挥发式存储器控制方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3651483A (en) * 1969-01-03 1972-03-21 Ibm Method and means for searching a compressed index
US3541529A (en) * 1969-09-22 1970-11-17 Ibm Replacement system
US3717851A (en) * 1971-03-03 1973-02-20 Ibm Processing of compacted data
US3848235A (en) * 1973-10-24 1974-11-12 Ibm Scan and read control apparatus for a disk storage drive in a computer system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2414828A1 (fr) * 1978-01-13 1979-08-10 Ncr Co Appareil de decodage de mots de code de longueur variable

Also Published As

Publication number Publication date
US4064489A (en) 1977-12-20
HU175241B (hu) 1980-06-28
DE2547035B2 (de) 1980-04-10
AU8380275A (en) 1977-02-10
DE2547035C3 (de) 1980-12-11
FR2289961B1 (US20030157376A1-20030821-M00001.png) 1981-05-22
DE2547035A1 (de) 1976-05-06
ZA755134B (en) 1976-07-28
GB1492260A (en) 1977-11-16

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Legal Events

Date Code Title Description
ST Notification of lapse