英国科学文摘INSPEC数据库检索.pptVIP

What is INSPEC INSPEC--International Information Services for Physics and Electrical Engineering Communities IEE(英国电气与电子工程师协会）下属单位。 INSPEC成为印刷版《科学文摘》（创刊于1884）的电子产品符号。 INSPEC Database 7.5 million records (Oct 2002) 80 countries of publication 4,200 journals (120 titles from China) 2,000 conferences per year 375,000 records added per year Document Type Journal articles Conference proceedings Conference papers Technical reports Books and book chapters Dissertations Patents (to 1976 only) Document types Country of publication Country of author INSPEC Database Subjects Treatment Codes Applications Bibliographic Economic/commercial Experimental General or review New developments Practical Product review Theoretical/Mathematical Subject Fields on INSPEC-China Title Abstract Uncontrolled Index Controlled Index Special Indexes Classification Codes Treatment Codes Chemical Index Numerical Data Index Non-Controlled Index Terms Key words and phrases selected from: document title abstract full text indexer’s expertise Average 11-12 Non-Controlled Indexing Is Especially Useful for: New concepts Product or company names Geographical terms Chemical and numerical data (1986 back) Non-scientific/non-technical topics Terms that are also common words Free Language Search - Problems Variations in Spelling, Acronyms, Terminology, Punctuation Relevance of retrievals may be low Classification Codes Definition: One field of an INSPEC record that includes alphanumeric codes from the INSPEC Classification selected by indexers to represent the key concepts of the document Classification Code A - Physics B - Electrical Electronics C - Computers Control D - Information Technology Classification Structure B7650C Subject Search on INSPEC - China Search Tips - overview: Uncontrolled Index: very useful in searching: new concepts, product or company names geographical terms Controlled Index: Improve your results. Classification Codes: