%0 Journal Article
%T Design and Optimization of Query System Architecture Based on Multi-tier Metadata<br>多级元数据查询系统体系架构的设计与优化
%A Wang Yi
%A Fan Tongrang
%A <br>王奕
%A 范通让
%J 现代图书情报技术
%D 2007
%I 
%X In order to improve sharing and acquisition of the scientific data,query system architecture based on multi-titers metadata is proposed on study of the scientific resource data features and XML technology.It focuses on multi-tier metadata structure of scientific resource database depicted by XML Schema and its application in the optimization for the scientific resource databases query.Research has shown that this framework is helpful for the data location and search and it promotes data utilization ratio in scientific research,production and living.
%K XMLSchema<br>科技资源数据
%K 多级元数据
%K 查询系统
%K 体系架构
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=B5EDD921F3D863E289B22F36E70174A7007B5F5E43D63598017D41BB67247657&cid=E46382710BF131B2&jid=24AADBCD0D5373C73F37F78D10E2F717&aid=2438C6A606600002522E36B2183CE1E0&yid=A732AF04DDA03BB3&vid=0B39A22176CE99FB&iid=59906B3B2830C2C5&sid=7801E6FC5AE9020C&eid=2A8D03AD8076A2E3&journal_id=1003-3513&journal_name=现代图书情报技术&referenced_num=0&reference_num=8