%0 Journal Article
%T A FUZZY TEMPORAL RELATIONAL ALGEBRA<br>一个模糊时态关系代数
%A Zhang Shichao
%A Luo Xudong
%A <br>张师超
%A 罗旭东
%J 软件学报
%D 1994
%I 
%X The ubiquitous nature of time requires that a database management system provide facilities for modelling of time aspect of data in the real world. This paper establishes a fuzzy temporal relational algebra. This algebra avoids a weakness in the current temporal database techniques, which will be pointed out in this paper.
%K Temporal database
%K historical database
%K relational algebra
%K fuzzy database<br>时态数据库，历史数据库，关系代数，模糊数据库
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=7735F413D429542E610B3D6AC0D5EC59&aid=854D1B7B83B62C93A224F754139A29DF&yid=3EBE383EEA0A6494&vid=94C357A881DFC066&iid=9CF7A0430CBB2DFD&sid=6AC2A205FBB0EF23&eid=0401E2DB1F51F8DE&journal_id=1000-9825&journal_name=软件学报&referenced_num=5&reference_num=3