文摘与索引数据库的角色.ppt

文摘与索引数据库的角色,易贤 勋 Inspec Database CALIS Dalian May 2004,文摘与索引数据库的角色,对使用者 资源的发掘和利用 与用web 搜索引擎比，可提供更多相关准确的检索结果。 可以提供许多图书馆沒有能力购买的权威性的数据。 - 可以与全文链接。 2. 对初级出版商 - 提高出版物与读者的见面机会 - 吸引更多的读者，提高刊物的知名度,文摘与索引服务的要 素,广和全的专业覆盖,Inspec的专业覆盖,五大学科的科学和技术方面的文献 物理 电子,电机工程学 计算器和控制工程学 信息技术 生产和制造工程学,Inspec Database,800万条文献(March 2004) 80个国家的出版物 3,300期刊和2000会议论文集 每年增加近38万条文献,文献种类,期刊 会议论文集, 会议论文 书和书的章节 文献报告和报告章节 毕业论文,文献种类的百分比,期刊73% 会议论文 17% 发表在期刊的会议论文 8% 其它 2%,其它包括： 书和书的章节 文献报告和报告章节 毕业论文,Journals 73%,Conferences 25%,Others 2%,25 %,Figures correct as of Jan 2004,Inspec Top 25出版商,Academic Press Japanese Journal Appl. Physics ACM Kluwer Academic Publishers AIP MAIK Nauka/Interperiodica Publishing Allerton Press Opt. Soc. America American Geophys. Union Plenum APS Science Press Astron. Soc. Pacific SPIE-Int. Soc. Opt. Eng. Elsevier Springer-Verlag Gordon & Breech Taylor & Francis IEE Univ. of Chicago Press IEEE Wiley IOP Publishing World Scientific Inst. Electron. Inf. & Commun. Eng.,Inspec Database Subjects,4.7 million records,2.1 million records,2.7 million records,600,000 records,65,000 records,物理,电子,电机工程学,计算机和控制工 程,信息技术,生产和制造工程学,Figures correct as of Jan 2004,物理 - 4.7 Million,A0 通用部分 A1 基本粒子 A2 核物理 A3 原子分子物理 A4 基础物理 A5 等离子体和放电物理学 A6 固态 (非电子) 物理 A7 电子固体物理 A8 跨学科物理学 A9 地球物理学, 天文学,电子电机工程学 - 2.8 M,B0 通用部分 B1 电路 B2 电子组成和部件 B3 磁和磁的零件, 材料装置 B4 光电子/材料, 光应学 B5 电磁场 B6 通信 B7 仪器和它的应用 B8 电子系统,计算机和控制工程 - 2.1 M,C0 普通和管理 C1 系统和控制理论 C3 控制技术 C4 数学和计算器理论 C5 计算器硬件 C6 计算器 软件 C7 计算器应用技术,信息技术 - 65,000,D1 普通和管理 D2 信息技术的应用 D3 信息技术系统 D4 办公室自动化/通信技术 D5 办公室自动化和计算器技术,生产和制造工程学 - 600,000,E0 普通在生产和制造工程学的文献 E1 生产和制造工程学 E3 工 业 界,Figures correct as of Jan 2004,Diverse Coverage,traffic control Traffic signal control by Egograms,environmental science Impact of science and technology on energy and environmental research and development,pacemakers Paradoxical undersensing at a high sensitivity in dual chamber pacemakers,photography Color handling in panoramic photography,computer games A principal cognitive precondition of successful child-computer interactions in the information society,laser printers Long-haul lasers buyers guide,radar Fully integrated automotive radar sensor with versatile resolution,radiation effects Modeling natural space ionizing radiation effects on external materials,manufacturing Analysis of a decentralized production-inventory system,nanotechnology Molecular motors: natures nanomachines,文摘与索引服务的要 素,广和全的专业覆盖 高质量的索引系统,超过70个可检索的索引字段,主題字段,目录字段,标题 摘要 非控制词 控制词 分类代码 处理代码 化学索引 数值索引 天体目标索引,Author Author affiliation Publication year Meeting info(location, title) Source title Document type Language Publishers Country of publication Identifying code (ISBN/ISSN ),主題字段,标题 TI 摘要 AB 主題词索引 非控制词 UI 控制词 CI 特殊索引 分类代码 CC 处理代码 TC 化学索引 CX 数值索引 ND 天体目标索引 AOI,控制词,控制词,非控制词,取自目录及摘要（或全文）的关键词和词组 包括： 无机化合物分子式 有机化合物名称； 缩写和全名 厂家及产品名,控制词索引(CV),择自Inspec叙词表的关键词和词组 标点符号,拼写和专有名词标准化 选用高度相关词或词组 相关词或词组被且选用在最恰当的水平 Inspec叙词表 (2004) 有1万6千个词或词组,其中有9,092是优先词, 8,275是引入词,叙词表 /引入词 和 树 结 构,optical propagation USE light propagation,Thesaurus - lead-in terms and hierarchy,optical propagation USE light propagation wave propagation .electromagnetic wave propagation light propagation .atmospheric light propagation,主題字段,标题 摘要 非控制词 控制词 特殊索引 分类代码,分类代码(CL),A. 物理 B. 电子,电机工程学 C. 计算器和控制工程学 D. 信息技术 E. 生产和制造工程学,分类代码的结 构,B7650C,分类代码 - B,B0 General, engineering maths & materials science B1 Circuit theory, circuits B2 Components, electron devices & materials B3 Magnetic & superconducting materials & devices B4 Optical materials & applications, optoelectronics B5 Electromagnetic fields B6 Communications B7 Instrumentation & special applications B8 Power systems & applications,分类代码 - B76,B7000 Instrumentation and special applications,B7100 .,.B7600 Aerospace facilities and techniques,B7700 Earth sciences,B7610 General aspects of aircraft, space . B7620 Aerospace test facilities and simula. B7630 Aerospace instrumentation,B7640 Aerospace propulsion B7650 Ground support systems,.B7630A Avionics .B7630B Power supplies .B7630D Space vehicle electronics,.B7650C Air traffic control .B7650E Space ground support centres,L1,L2,L3,L4,分类代码 - B7,B7000 Instrumentation and special applications . .B7600 Aerospace facilities and techniques B7610 General aspects of aircraft, space vehicles/satellites B7620 Aerospace test facilities and simulation B7630 Aerospace instrumentation .B7630A Avionics .B7630B Power supplies .B7630D Space vehicle electronics B7640 Aerospace propulsion B7650 Ground support systems .B7650C Air traffic control .B7650E Space ground support centres .B7700 Earth sciences,enter B7 to retrieve all records below it,分类代码 - B76,B7000 Instrumentation and special applications . .B7600 Aerospace facilities and techniques B7610 General aspects of aircraft, space vehicles/satellites B7620 Aerospace test facilities and simulation B7630 Aerospace instrumentation .B7630A Avionics .B7630B Power supplies .B7630D Space vehicle electronics B7640 Aerospace propulsion B7650 Ground support systems .B7650C Air traffic control .B7650E Space ground support centres .B7700 Earth sciences,enter B76 to retrieve everything below it includes B7600,分类代码 - B76,B7000 Instrumentation and special applications . .B7600 Aerospace facilities and techniques B7610 General aspects of aircraft, space vehicles/satellites B7620 Aerospace test facilities and simulation B7630 Aerospace instrumentation .B7630A Avionics .B7630B Power supplies .B7630D Space vehicle electronics B7640 Aerospace propulsion B7650 Ground support systems .B7650C Air traffic control .B7650E Space ground support centres .B7700 Earth sciences,Enter B7650? or B7650# retrieve these records,分类代码 - B76,B7000 Instrumentation and special applications . .B7600 Aerospace facilities and techniques B7610 General aspects of aircraft, space vehicles/satellites B7620 Aerospace test facilities and simulation B7630 Aerospace instrumentation .B7630A Avionics .B7630B Power supplies .B7630D Space vehicle electronics B7640 Aerospace propulsion B7650 Ground support systems .B7650C Air traffic control .B7650E Space ground support centres .B7700 Earth sciences,enter B7650C retrieve these specific records,分类代码 - B7650C,B Electrical & Electronic Engineering B7 Instrumentation and special applications B76 Aerospace facilities and techniques B7650 Ground support systems B7650C Air traffic control,Aerospace facilities & techn,Ground support systems,Air taffic control,Space ground support centre,Instrumentation & special te,主題字段,标题 摘要 非控制词 控制词 特殊索引 分类代码 处理代码,处理代码 (TR),Applications (APP) Bibliographic (BIB) Economic aspects/market survey (ECO) Experimental (EXP) General or review (GEN) New developments (NEW) Practical (PRA) Product review (PRO) Theoretical (THR),处理代码 (TR),Applications Bibliographic Economic aspects General or review New developments Practical Product review Theoretical Experimental,A description of the actual use or implementation of an instrument, device, method, technique, computer program or physical effect, where a specific application is described,Documents containing a bibliography or significant list of references,Document deals with cost, pricing, market forecast, etc.,Documents give an overall view of a subject. General approaches, overviews & introductory articles,Document is meant to be of direct practical use and is of particular interest to engineers & design staff,Introduced in 1985. Includes product comparisons, tables & buyers guides,Subject matter is generally theoretical or mathematical,Documents describing an experimental method, observation or result. Includes apparatus used, calculations & experimental results,Used where a claim of novelty (in the patent sense) might be made,主題字段,标题 摘要 非控制词 控制词 特殊索引 分类代码 处理代码 化学索引,化学索引,为检索无机化合物/分子式而设计的控制词索引 应用于1987后的文献,Chemicals in uncontrolled terms,Problematic: CO vs Co？ Substances may be represented in many ways: e.g. aluminium gallium arsenide: GaAlAs ; AlGaAs ; Ga x Al 1-x As (GaAs) 0.5 (AlAs) 0.5,Chemical Indexing Roles,Basic Roles: el element bin binary system ss system of 3 or more components Additional Roles: dop dopant int interface sur surface or substrate ads adsorbate,Chemical indexing system,Features required Distinguish CO CO/bin.; Co Co/el; GaAlAs Ga/ss Al/ss As/ss.; AlAs Al/bin As/bin.; NaCl NaCl/bin.; KCl + NaBr KCl/bin.; NaBr/bin.;,Examples of chemical indexing,H2SO4/ss H2/ss SO4/ss H/ss S/ss O4/ss O/ss V2O3/bin V2/bin O3/bin V/bin O/bin V2O5/bin V2/bin O5/bin V/bin O/bin H2O/bin H2/bin O/bin H/bin O/bin,Chemical Indexing Examples,Search for Water H2O Search for Sulfuric Acid H2SO4 Search for all variations of Gallium Aluminum Arsenide GaAlAs Search for Boron as a dopant B,H2O/bin wn ci,H2SO4/ss wn ci,(Ga/ss near Al/ss near As/ss) wn ci,b/dop wn ci,主題字段,标题 摘要 非控制词 控制词 特殊索引 分类代码 处理代码 化学索引 数值索引,数值索引,为检索数字/数值的而设计的控制词索引 应用于1987后的文献,检索数值的困难,Value formats 2.1MW, 2.1MWatt, 2100KW, 2100000W, 2.1x106 W or 2.1megawatt Units Temperature, 100 degree Centigrade, 212 degrees Fahrenheit 373 Kelvin,数值的格式,QUANTITY VALUE UNIT Temperature 1.8E +04 K Quantity: Frequency, temperature Value: floating point format: 1.8E +04 for 18000 Unit: Hertz, Kelvin,数值的格式,QUANTITY VALUE (TO VALUE) UNIT Time 7.6E + 02 to 8.4E + 07 Second Value to Value = 760 to 84000000 seconds,数值的格式,exponential notation QUANTITY VALUE (TO VALUE) UNIT from NDI Thesaurus (/publish/inspec/docs/document.html#Thesaurus),Multiplying Prefixes,Prefix Abbr Factor exa E 1018 . . giga G 109 mega M 106 kilo k 103 . . milli m 10-3 micro mu 10-6 . . atto a 10-18,数值索引叙词表,Temperature: K (Kelvin) C use K K = C + 273.15 degK use K degC use K K = degC + 273.15 degF use K K = (degF + 459.67) * 0.5555556 F use K K = (F + 459.67) * 0.5555556 thickness use size,数值索引- EV2,Search for a distance of 610 meters “distance 6.1E+02 m” wn ni Search for a time of 10 minutes “time 6.0E+02 s” wn ni Search for a temperature of 100 degrees Centigrade “temperature 3.73E+02 k” wn ni,数值索引 - 检索 WOK,主題字段,标题 摘要 非控制词 控制词 特殊索引 分类代码 处理代码 化学索引 数值索引 天体目标索引,文摘与索引服务的要 素,广和全的专业覆盖； 高质量的索引系统; 时效性;,Currency 时效性,核心期刊：10 天 到 2 周 非核心期刊：13 月 会议论文可能会长些,文摘与索引服务的要 素,广和全的专业覆盖； 高质量的索引系统 时效性。 链接。,DOI, CrossRef and Inspec,DOI - A Digital Object Identifier (DOI), is a unique string created to identify a piece of intellectual property