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IEEE/IEEElectronicLibrary(IEL)全文数据库•提供美国电气电子工程师学会和英国电气工程师学会出版的刊物(1988年--)•120多种期刊•600多种会议录•近900种标准AdobeAcrobatReader软件•网上浏览、保存阅读全文电子期刊(PDF格式)•4.x的版本•检索环境•采用IP地址限定用户范围,不需要帐号和口令。–校园网的用户均可通过连接INTERNET访问美国IEL主页•电话拨号连接校园网的用户,可以拨打999联通IEL•由于IEL目前不提供镜像和专线访问的技术方案•读者通过INTERNET访问该库的国际流量费用需用户自己负担。使用说明•并发用户数限制在15个–出现“Allproductlicensesareinuse.Pleasetrylater.”的信息•检索完毕尽快退出,以便他人能够联通检索方式•Search•AdvancedSearchAdvancedSearch•支持字段检索和逻辑算符•ViewFieldNames——浏览字段符•ViewSearchOperators——浏览逻辑算符•限定在某一字段中检索,格式为:检索词in字段名•例如:检索SmithJ.的文章,•检索式为:SmithJ.inau著者检索途径说明•著者检索一般是姓在前,名在后;但对于中国人来说可能不符。•如王国平——wangguoping•检索式为:guopingwanginau•保险的方法:按数据库的记录形式检索运算顺序•(inferencemechanismsAndDelgadoM.)OrVilaM.A.IEL—常用的检索字段及标识符•Abstractab•ArticleTitleti•Authorau•CatalogNumberca•Affiliationcs•ConferenceTitlect•MeetingDatecyIEL—常用的检索字段及标识符•SubjectTermde•ISSN,ISBNin•IssueNumberis•JournalNamejn•Title(Article)ti•Volumevo检索算符•逻辑算符:and、or•位置算符•Accrueaccrue•SpecificFieldin•Phrasephrase位置算符Sentence•在同一句子中查找•sentence•echosentenceISDN•sentence(analog,digital,convert)位置算符•Paragraphparagraph•Nearnear•Wordword•Stemstem•Thesaurusthesaurus例子•ceramicinti•(fiberopticandnetwork)inti•(ceramic,porcelain)in(ti,de)•smithinauandwaveinti•ceramicindeand1inisnew•isnew--查找最近30天的加入数据库的新记录位置算符order•限定检索词出现的顺序•order(echosentencecancel)•order(coldsentencefusion)•order(coldnear/10fusion)•(order(outputnear/3input))inti•Useorderwithaproximityoperatortomatchsearchtermsonlyiftheyappearinthespecifiedorder.(Bydefault,proximityoperators(exceptphrase)matchsearchtermsregardlessoftheirorder.)ordertendstonarrowasearchbecauseitplacesanadditionalconditiononrecords.Syntax•orderproximityexpression•whereproximityexpressionisasearchexpressionbasedonavalidproximityoperator.•Notes•Youcanuseorderwiththeproximityoperatorsnear/N,paragraph,andsentence.Ithasnoeffectwiththephraseoperatorbecauseorderisassumedwithphrase.•Examples•order(coldsentencefusion)•Matchesanyrecordcontainingavariationofthewordcoldfollowedbyavariationofthewordfusioninthesamesentence;doesnotmatchanyrecordinwhichfusioncomesfirst.•order(coldnear/10fusion)•Matchesanyrecordcontainingavariationofthewordcoldfollowedbyavariationofthewordfusionwithin10wordsofeachother.•(order(outputnear/3input))inti•Matchesanyrecordcontainingthewordoutputfollowedwithin3wordsbythewordinputinthetitlefield.(Youcanuseanorderclauseasanargumenttoin,butyoucannotuseinasanargumenttoorder.•ProximityOperators•Withproximityoperatorsyoucanfindsearchtermsthatappearwithinaparticularfieldorthatappearnearoneanotherwithinarecord(increasingthechancesthattheyarerelated).•Proximityoperatorsinclude:•in•Formatchingtermsinaspecificfield.••paragraph•Formatchingtermsinthesameparagraph.••sentence•Formatchingtermsinthesamesentence.••phrase•Formatchingtermsinthesamephrase.••near•Formatchingtermswithinaspecifiednumberofwordsofeachother.••phraseOperator•Usethephraseoperatortosearchforrecordsinwhichtwoormoresearchtermsmustappearwithinthesamephrase(anyphrasewithinanyfield).•Syntax•searchterm1phrasesearchterm2?phrasesearchtermN•or•phrase(searchterm1,searchterm2,?searchtermN)•whereeachsearchtermisanyvalidsearchtext.•Notes•Aphraseistextdelimitedbyaperiodoracomma.Ifthesearchtextappearswithinasentencecontainingnocomma,phraseworksthesameassentence.Ifthesearchtextappearswithinasentencethatdoescontainacomma,thesearchtermsmustappearonthesamesideofthecomma.•Bydefault,phrasematchessearchtermsonlyiftheyappearwithinthephraseinthespecifiedorder(unlikesentenceandparagraph).Usingorderwithphrasehasnoeffect.•Examples•cachephrasealgorithm•Matchesanyrecordcontainingvariationsofcacheandalgorithmwithinthesamephraseandinthesameorder,anywherewithintherecord.•(phrase(processor,silicon))or(phrase(silicon,processor))•Matchesanyrecordcontainingvariationsofprocessorandsiliconwithinthesamephrase,regardlessoftheorder,anywherewithintherecord.Thefirstphrasematchesthetwotermsinoneorder,andthesecondphrasematchesthemintheotherorder.
本文标题:IEEEIEE Electronic Library(IEL)全文数据库检索
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