%0 Journal Article
%T Research of Temporal XML and Querying<br>双时态XML查询中now语义失真的研究与扩展
%A TANG N
%A CHEN Luo-wu
%A LIU Rui-jun
%A TANG Yong Computer Science
%A <br>汤娜
%A 陈罗武
%A 刘瑞君
%A 汤庸
%J 计算机科学
%D 2008
%I 
%X We will study how to query temporal information in XML documents. The temporal information is expressed in the xml documents through Single Attribute Expression Method . In this paper,we will first discuss how to solve the semantic distortion problem of now ,and then make the XQuery to support the temporal querying in the XML document and show the cases of querying the temporal information in the xml documents.
%K XML
%K Temporal database
%K Temporal extension
%K XQuery<br>XML
%K 时态数据库
%K 时态扩展
%K XQuery
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=64A12D73428C8B8DBFB978D04DFEB3C1&aid=ECEB191E3D2FE1FE20FE1A404A658C8D&yid=67289AFF6305E306&vid=6209D9E8050195F5&iid=B31275AF3241DB2D&sid=FD7C952458BFB5D8&eid=6CCE24D86D03D083&journal_id=1002-137X&journal_name=计算机科学&referenced_num=0&reference_num=9