BS ISO IEC 13249-2-2003 Information technology - Database languages - SQL multimedia and application packages - Full-text《信息技术 数据库语言 结构化询问语言(SQL)多媒体和应用包 全文本》.pdf
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1、BRITISH STANDARD BS ISO/IEC 13249-2:2003 Information technology Database languages SQL multimedia and application packages Part 2: Full-Text ICS 35.060 BS ISO/IEC 13249-2:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 7 November 2003 BS
2、I 7 November 2003 ISBN 0 580 42910 5 National foreword This British Standard reproduces verbatim ISO/IEC 13249-2:2003 and implements it as the UK national standard. It supersedes BS ISO/IEC 13249-2:2000 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee
3、IST/40, Data management and interchange, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in
4、the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsibl
5、e for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK
6、 interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO/IEC title page, pages ii and x, pages 1 to 232, an inside back cover and a back cover. The BSI copyright
7、notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments Reference number ISO/IEC 13249-2:2003(E)INTERNATIONAL STANDARD ISO/IEC 13249-2 Second edition 2003-11-01 Information technology Database languages SQL multimedia
8、and application packages Part 2: Full-Text Technologies de linformation Langages de bases de donnes Multimdia SQL et paquetages dapplication Partie 2: Texte complet BSISO/IEC132492:2003ISO/IEC 13249-2:2003(E) DPlcsid Fremia ihTs PDF file mya ctnoian emdebt dedyfepcaes. In ccacnadrow eitA hebods licn
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13、 10 947 22 1 11 xaF0 947 22 14 + 9 74 E-mial coirypthgis.o gro We bwww.is.o groii ISO/IE 3002 C Allr ithgsser revdeBSISO/IEC132492:2003ISO/IEC 13249-2:2003(E) vreser sthgir llA - 3002 CEI/OSI de iii stnetnoC Contents Page Foreword. viii Introduction ix 1 Scope 1 2 Normative references 3 3 Terms and
14、definitions, notations and conventions . 5 3.1 Terms and definitions 5 3.1.1 Terms and definitions provided in ISO/IEC 13249-1:2002. 5 3.1.2 Terms and definitions provided in this part of ISO/IEC 13249 5 3.1.3 Terms and definitions taken from ISO/IEC 9075 (all parts). 6 3.1.4 Terms and definitions t
15、aken from ANSI/NISO Z39.19:1993. 6 3.2 Notations. 7 3.3 Conventions. 8 4 Concepts. 9 4.1 Concepts taken from ISO/IEC 9075(all parts) 9 4.2 Text model 10 4.3 Text identification facilities. 11 4.3.1 Single word patterns (patterns of the form ) 12 4.3.2 Single phrase patterns (patterns of the form ) .
16、 12 4.3.3 Patterns representing sets of single words 12 4.3.4 Patterns formed by sets of single phrases . 14 4.3.5 Patterns specifying context conditions. 15 4.3.6 Patterns involving Boolean operators. 16 4.3.7 Identification of FullText values which are pertinent to a given text . 17 4.4 Text scori
17、ng facilities 18 4.5 Language aspects 19 4.5.1 Multilingual texts and patterns. 19 4.5.2 Treatment of stop words. 19 4.6 Word normalization 21 4.7 Types and routines provided by this part of ISO/IEC 13249 22 4.7.1 Types and routines intended for public use . 22 4.7.2 Types and routines for definitio
18、n. 22 4.7.3 Technique for defining the semantics of Category 1 Contains methods 22 4.7.4 Complementary SQL-invoked regular functions 23 4.8 The Full-Text Information Schema.23 5 Full-Text Types. 25 5.1 FullText Type and Routines 25 5.1.1 FullText Type 25 5.1.2 Contains Methods 28 5.1.3 Score Methods
19、 . 30 5.1.4 NumberOfMatches Methods . 31 5.1.5 Tokenize Method 32 5.1.6 TokenizePosition Method 33 5.1.7 Segmentize Method . 35 5.1.8 TokenizeAndStem Method 36 5.1.9 TokenizePositionAndStem Method 37 5.1.10 FullText Methods 38 5.1.11 Contains Function 39 5.1.12 Score Function. 40 BSISO/IEC132492:200
20、3iiiISO/IEC 13249-2:2003(E) vreser sthgir llA - 3002 CEI/OSI de vi stnetnoC 5.1.13 NumberOfMatches Function. 41 5.1.14 FullText_to_Character Function. 42 5.1.15 StrctPattern_to_FT_Pattern Function 43 5.2 FT_TokenPosition Type and Routines. 44 5.2.1 FT_TokenPosition Type. 44 5.3 FT_Pattern Type and R
21、outines. 45 5.3.1 FT_Pattern Type. 45 5.3.2 FT_Pattern Key Words 59 6 Structured Search Pattern Types.61 6.1 FT_Any Type and Routines. 61 6.1.1 FT_Any Type. 61 6.1.2 Contains Method 63 6.1.3 FT_Any Method 65 6.2 FT_Primary Type and Routines 66 6.2.1 FT_Primary Type 66 6.2.2 Contains Method 67 6.2.3
22、StrctPattern_to_FT_Pattern Method 68 6.3 FT_WordOrPhrase Type and Routines 69 6.3.1 FT_WordOrPhrase Type 69 6.3.2 Contains Method 70 6.3.3 StrctPattern_to_FT_Pattern Method 71 6.3.4 getWordArray Method . 72 6.4 FT_TextLiteral Type and Routines . 73 6.4.1 FT_TextLiteral Type . 73 6.4.2 Contains Metho
23、d 75 6.4.3 NumberOfMatches Method . 77 6.4.4 StrctPattern_to_FT_Pattern Method 79 6.4.5 matches Method. 80 6.4.6 Tokenize Method 81 6.4.7 getWordArray Method . 82 6.4.8 FT_TextLiteral Methods. 83 6.4.9 EliminateDQS Function . 84 6.4.10 InsertDQS Function . 85 6.5 FT_StemmedWord Type and Routines 86
24、6.5.1 FT_StemmedWord Type 86 6.5.2 Contains Method 88 6.5.3 StrctPattern_to_FT_Pattern Method 90 6.5.4 TokenizeAndStem Method 91 6.5.5 FT_StemmedWord Methods . 92 6.6 FT_Phrase Type and Routines . 93 6.6.1 FT_Phrase Type . 93 6.6.2 Contains Method 95 6.6.3 NumberOfMatches Method . 98 6.6.4 StrctPatt
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