WO1990016036A1 - Hierarchical presearch-type document retrieval method, apparatus therefor, and magnetic disc device for this apparatus - Google Patents
Hierarchical presearch-type document retrieval method, apparatus therefor, and magnetic disc device for this apparatus Download PDFInfo
- Publication number
- WO1990016036A1 WO1990016036A1 PCT/JP1990/000774 JP9000774W WO9016036A1 WO 1990016036 A1 WO1990016036 A1 WO 1990016036A1 JP 9000774 W JP9000774 W JP 9000774W WO 9016036 A1 WO9016036 A1 WO 9016036A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- documents
- character
- text data
- different expression
- magnetic disc
- Prior art date
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
- G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
- G06F16/33—Querying
- G06F16/3331—Query processing
- G06F16/334—Query execution
-
- 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
- G06F16/90339—Query processing by using parallel associative memories or content-addressable memories
-
- 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
-
- 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
- G06F16/93—Document management systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/26—Techniques for post-processing, e.g. correcting the recognition result
- G06V30/262—Techniques for post-processing, e.g. correcting the recognition result using context analysis, e.g. lexical, syntactic or semantic context
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
-
- 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
- Y10S707/99935—Query augmenting and refining, e.g. inexact access
-
- 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
- Y10S707/99936—Pattern matching access
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69032712T DE69032712T2 (de) | 1989-06-14 | 1990-06-14 | Hierarchischer vorsuch-typ dokument suchverfahren, vorrichtung dazu, sowie eine magnetische plattenanordnung für diese vorrichtung |
EP90909360A EP0437615B1 (en) | 1989-06-14 | 1990-06-14 | Hierarchical presearch-type document retrieval method, apparatus therefor, and magnetic disc device for this apparatus |
US07/914,334 US5220625A (en) | 1989-06-14 | 1992-07-17 | Information search terminal and system |
US07/985,795 US5519857A (en) | 1989-06-14 | 1992-11-30 | Hierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatus |
US08/031,625 US5471610A (en) | 1989-06-14 | 1993-03-15 | Method for character string collation with filtering function and apparatus |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1/149630 | 1989-06-14 | ||
JP1149630A JP2791106B2 (ja) | 1989-06-14 | 1989-06-14 | 文字列検索装置 |
JP1188772A JPH0354625A (ja) | 1989-07-24 | 1989-07-24 | 集合型磁気ディスク装置 |
JP1/188772 | 1989-07-24 | ||
JP18877389 | 1989-07-24 | ||
JP1/188773 | 1989-07-24 | ||
JP1231567A JP2880192B2 (ja) | 1989-09-08 | 1989-09-08 | 文字列検索方法及び装置 |
JP1/231567 | 1989-09-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1990016036A1 true WO1990016036A1 (en) | 1990-12-27 |
Family
ID=27472951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1990/000774 WO1990016036A1 (en) | 1989-06-14 | 1990-06-14 | Hierarchical presearch-type document retrieval method, apparatus therefor, and magnetic disc device for this apparatus |
Country Status (4)
Country | Link |
---|---|
US (3) | US5168533A (ja) |
EP (1) | EP0437615B1 (ja) |
DE (1) | DE69032712T2 (ja) |
WO (1) | WO1990016036A1 (ja) |
Cited By (7)
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EP0501416A2 (en) * | 1991-02-28 | 1992-09-02 | Hitachi, Ltd. | Document data processing method and apparatus for document retrieval |
US5454105A (en) * | 1989-06-14 | 1995-09-26 | Hitachi, Ltd. | Document information search method and system |
US5469354A (en) * | 1989-06-14 | 1995-11-21 | Hitachi, Ltd. | Document data processing method and apparatus for document retrieval |
US5471610A (en) * | 1989-06-14 | 1995-11-28 | Hitachi, Ltd. | Method for character string collation with filtering function and apparatus |
US5519857A (en) * | 1989-06-14 | 1996-05-21 | Hitachi, Ltd. | Hierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatus |
US5748953A (en) * | 1989-06-14 | 1998-05-05 | Hitachi, Ltd. | Document search method wherein stored documents and search queries comprise segmented text data of spaced, nonconsecutive text elements and words segmented by predetermined symbols |
US5757983A (en) * | 1990-08-09 | 1998-05-26 | Hitachi, Ltd. | Document retrieval method and system |
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CN112307277A (zh) * | 2020-09-29 | 2021-02-02 | 西安赢瑞电子有限公司 | 一种汉字串匹配预判方法 |
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Cited By (9)
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US5454105A (en) * | 1989-06-14 | 1995-09-26 | Hitachi, Ltd. | Document information search method and system |
US5469354A (en) * | 1989-06-14 | 1995-11-21 | Hitachi, Ltd. | Document data processing method and apparatus for document retrieval |
US5471610A (en) * | 1989-06-14 | 1995-11-28 | Hitachi, Ltd. | Method for character string collation with filtering function and apparatus |
US5519857A (en) * | 1989-06-14 | 1996-05-21 | Hitachi, Ltd. | Hierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatus |
US5748953A (en) * | 1989-06-14 | 1998-05-05 | Hitachi, Ltd. | Document search method wherein stored documents and search queries comprise segmented text data of spaced, nonconsecutive text elements and words segmented by predetermined symbols |
US6094647A (en) * | 1989-06-14 | 2000-07-25 | Hitachi, Ltd. | Presearch type document search method and apparatus |
US5757983A (en) * | 1990-08-09 | 1998-05-26 | Hitachi, Ltd. | Document retrieval method and system |
EP0501416A2 (en) * | 1991-02-28 | 1992-09-02 | Hitachi, Ltd. | Document data processing method and apparatus for document retrieval |
EP0501416A3 (ja) * | 1991-02-28 | 1994-01-05 | Hitachi Ltd |
Also Published As
Publication number | Publication date |
---|---|
DE69032712D1 (de) | 1998-11-26 |
DE69032712T2 (de) | 1999-07-01 |
US6094647A (en) | 2000-07-25 |
EP0437615A1 (en) | 1991-07-24 |
EP0437615A4 (en) | 1993-06-02 |
EP0437615B1 (en) | 1998-10-21 |
US5168533A (en) | 1992-12-01 |
US5519857A (en) | 1996-05-21 |
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