【摘要】 [目的/意义]数值型数据库是一种重要的信息资源,在图书馆和信息机构的文献信息服务中具有独特的功能和作用。[方法/过程]以国内外相关数据库为例,探讨了数值型数据库的特点、类型及发展情况。结合我国"冶金成本数据库"的建设实践,阐述了数值型数据库的建设意义、思路和方法,介绍了该数据库的服务功能,服务效果和发展设想。[结果/结论]认为数值型数据库建设与服务将成为今后一个时期,图书馆从文献服务迈向知识服务的一个十分重要的发展领域。更多还原

【Abstract】 [Purpose/Significance]As an important kind of information resource,numerical database has special function and role in the information service of library and information institutions.[Method/Process]Based on the examples of domestic and foreign relevant databases,the characteristics,types and development of numerical database are discussed.Combining the construction practice of " metallurgical cost database" in China,this paper expounds the construction significance,thinking and method of numerical database,and introduces the service function,service effect and development design of the database.[Result/Conclusion]It is believed that the construction and service of numerical databases will become a very important development field for libraries orienting to knowledge service.更多还原