[工程科技]OvidSP平台数据库使用技巧.pptVIP

Ovid – Wolters Kluwer （威科集团） 全球五大出版集团之一 营业收入： 34 亿欧元(2008) 雇员：20,000 worldwide 集团的核心业务: Markets Health, Tax, Accounting, Financial Services, Legal and Regulatory 分布: Europe, North America and Asia Pacific 总部： Amsterdam, the Netherlands OvidSP平台农业内容收录广泛 CABI Abstracts （1973至今） CABI Plus （全文） CABI Abstracts 回溯 （1910至1972） Agris Agricola FSTA （食品科学文摘） BIOSIS Preview (生物学文摘） Zoological Record Saved Search Autoalert Find Citation 选择叙词(Thesaurus)时，如果输入的检索词是叙词，系统显示该叙词及上、下位词、相关词和过去曾使用过但目前已不再使用的词；如果输入的检索词不是叙词，系统显示与输入词最接近的叙词。 选择轮排索引Permuted Index)时，只能输入单词(不得输入词组)，系统列出所有包含该词的主题词及相关词。 选择注释(Scope note)时，输入的必须是叙词，系统列出该词的启用日期、解释、相关分类码及该词启用前所使用的词等。 选择扩展(Explode)时，必须输入叙词(否则检索结果为0)，系统直接以该词及其下位词进行检索。 Basic Search Thank You ! Multi Field Search 基本检索属于不完全检索,一般只 返回四星和五星级的检索结果总数 Do: Open an OvidSP account. Say: To find out more about a database open its Field Guide under the I icon. A database consists of individual records and these records consist of fields, Each field contains a particular type of information, an author name, a title etc. In many of the Ovid databases, you can divide this field list into three parts, information which comes from the author – titles, abstracts, author names, information about the location of the work – journal name, volume, issue page or descriptive information which is added about the work – subject descriptions, document types, broad subject categories for example. Within an Ovid database usually all the fields are searchable and in the majority they are also browsable. So in an Ovid database you have the greatest access into the data which is possible. Do: Open an OvidSP account. Say: To find out more about a database open its Field Guide under the I icon. A database consists of individual records and these records consist of fields, Each field contains a particular type of information, an author name, a title etc. In many of the Ovid databases, you can divide this field list into three parts, information which comes from the author – titles