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ATE189325T1 - System und verfahren für informationsauffindung - Google Patents

System und verfahren für informationsauffindung

Info

Publication number
ATE189325T1
ATE189325T1 AT91918032T AT91918032T ATE189325T1 AT E189325 T1 ATE189325 T1 AT E189325T1 AT 91918032 T AT91918032 T AT 91918032T AT 91918032 T AT91918032 T AT 91918032T AT E189325 T1 ATE189325 T1 AT E189325T1
Authority
AT
Austria
Prior art keywords
data
record
logic
search criteria
bitmask
Prior art date
Application number
AT91918032T
Other languages
English (en)
Inventor
David L Fulton
Eric R Christensen
Brian M Tallman
Original Assignee
Microsoft 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 Microsoft Corp filed Critical Microsoft Corp
Application granted granted Critical
Publication of ATE189325T1 publication Critical patent/ATE189325T1/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
    • G06F16/9017—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/22—Indexing; Data structures therefor; Storage structures
    • G06F16/2228—Indexing structures
    • G06F16/2246—Trees, e.g. B+trees
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/245—Query processing
    • G06F16/2455—Query execution
    • G06F16/24553—Query execution of query operations
    • G06F16/24561—Intermediate data storage techniques for performance improvement
    • 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
    • Y10S707/99932—Access augmentation or optimizing
    • 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
    • Y10S707/99933—Query processing, i.e. searching

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computational Linguistics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Circuits Of Receivers In General (AREA)
AT91918032T 1990-10-05 1991-10-04 System und verfahren für informationsauffindung ATE189325T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US59308990A 1990-10-05 1990-10-05
PCT/US1991/007260 WO1992006440A1 (en) 1990-10-05 1991-10-04 System and method for information retrieval

Publications (1)

Publication Number Publication Date
ATE189325T1 true ATE189325T1 (de) 2000-02-15

Family

ID=24373337

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91918032T ATE189325T1 (de) 1990-10-05 1991-10-04 System und verfahren für informationsauffindung

Country Status (8)

Country Link
US (1) US5799184A (de)
EP (1) EP0558505B1 (de)
JP (1) JPH06505816A (de)
AT (1) ATE189325T1 (de)
AU (1) AU656153B2 (de)
CA (1) CA2093341C (de)
DE (1) DE69131941T2 (de)
WO (1) WO1992006440A1 (de)

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Also Published As

Publication number Publication date
WO1992006440A1 (en) 1992-04-16
EP0558505A1 (de) 1993-09-08
EP0558505B1 (de) 2000-01-26
AU8744791A (en) 1992-04-28
DE69131941T2 (de) 2000-06-08
AU656153B2 (en) 1995-01-27
EP0558505A4 (en) 1993-11-24
CA2093341C (en) 2002-09-24
JPH06505816A (ja) 1994-06-30
DE69131941D1 (de) 2000-03-02
US5799184A (en) 1998-08-25
CA2093341A1 (en) 1992-04-06

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