%0 Journal Article
%T Research on canonical cover in partial order temporal scheme<br>偏序时态模式下规范覆盖问题*
%A WAN Jing
%A ZOU Ji-min
%A <br>万静
%A 邹积民
%J 计算机应用研究
%D 2011
%I 
%X Existing effective design methods of temporal database with multiple time granularities are almost designed for totally-ordered temporal scheme,it can hardly be used for partial-ordered temporal scheme because of complex operations such as greatest lower bound applied to temporal types.This paper investigated canonical cover of partial-order temporal scheme,gave the concepts of partial-order TFD(temporal functional dependency) set limited closure,partial-order scheme attribute set limited closure,partial-or...
%K multiple time granularities
%K partial-order temporal scheme
%K partial-order scheme attribute set limited closure
%K partial-order TFD set's canonical cover<br>多时间粒度
%K 偏序时态模式
%K 偏序模式属性集有限闭包
%K 偏序TFD集规范覆盖
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=A9D9BE08CDC44144BE8B5685705D3AED&aid=1F8EB868F38CE072EEB0085C1B071F5E&yid=9377ED8094509821&vid=D3E34374A0D77D7F&iid=DF92D298D3FF1E6E&sid=649A991C7D72F1EF&eid=1FE3C1A20D3620BE&journal_id=1001-3695&journal_name=计算机应用研究&referenced_num=0&reference_num=10