In this paper,we transform the temporal XML data into points and lines in the n-dimensional space and use the UB-tree to index them. A new algorithm for temporal query has been proposed based on the UB-tree index.
本文将时态XML文档转换到n维空间的节点和直线,使用UB-tree对这些n维空间的节点和直线进行索引,并针对时态查询提出了新的查询算法。
参考来源 - 使用UB·2,447,543篇论文数据，部分数据来源于NoteExpress
在该模型的基础上，还探讨了时态查询、房产动态变化分析等问题。
On the basic of model, this paper discusses the problems such as tense query and real estate dynamic change analysis.
GTSQL便是我们提出的一个时态查询语言。本文给出了GTSQL的主要语法。
Therefore, we give our temporal query language GTSQL, where its syntax is given.
涉及业务时间的时态查询也很容易编写，您仅需要在from子句中包含FOR BUSINESS_TIME。
Temporal queries involving business time are also easy to write-and you need only include FOR BUSINESS_TIME in the FROM clause.
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