综合性生命科学信息数据库.ppt

资源共享 本公司中文网站下载培训课件. /training/index.htm ? 在线浏览Web of Science培训课件: /wos/wos_web.files/slide0671.htm ? 新功能介绍: /newwok/WOK-new.html 应用技巧栏目: /tips/index.htm ? 在线学习ISI Web of Knowledge新功能: /training/wok/#recorded_training /tips/index.htm * 谢谢！ 与汤森路透中国代表处联系： 北京市海淀区科学院南路2号 融科资讯中心C座南楼1211房间 100190 电话：010传真：010电子邮件：ts.support.china@ * BIOSIS employs a team of trained graduate life scientists to index the literature, ensuring accurate representation of the biological content The value added indexing ensures that information can be located quickly and accurately by novices as well as providing advanced search features for the information professional Specialized indexing provides a unified structure for diverse information, making search and retrieval more effective Cross file searching is facilitated by adding additional terms common to other databases: CAS Registry Numbers can be used to locate chemical substances and compounds in a number of databases, including the CAS Chemical Registry database. MeSH disease terms can be searched in MedLine * * An index entry comprises : Key term (mandatory) – the subject of the entry Variant term (optional) – a synonym of the key term Classifier (optional) – broader controlled term taken from the controlled vocabulary Modifier (optional) – descriptive text to give more detail to the key term This syntax enables this group of terms to be linked together in searching, so that the relationships between terms in the entry are retained, providing greater precision in search results. * An index entry comprises : Key term (mandatory) – the subject of the entry Variant term (optional) – a synonym of the key term Classifier (optional) – broader controlled term taken from the controlled vocabulary Modifier (optional) – descriptive text to give more detail to the key term This syntax enables this group of terms to be linked together in searching, so that the relationships between terms in the entry are retained, pr