一种改进的时态数据模型的设计与应用  

Design and application of an improved temporal data model

作　　者：黄雄波[1] 张荣荣[1] 

机构地区：[1]佛山职业技术学院电子信息系,广东佛山528137

出　　处：《计算机时代》2014年第7期1-3,6,共4页Computer Era

基　　金：佛山职业技术学院校级重点科研项目(2011KY006)

摘　　要：在现有的时态数据模型基础上,通过对时态数据的冗余存储与查询效率进行折衷处理,提出了一种改进的时态数据模型,并进一步为该模型的增删改等操作设计了相应的更新算法。实际应用表明,改进模型在增加了约16%的数据冗余存储后其时态查询性能获得了近58%的提升。Based on the existing model of temporal data model, an improved temporal data model is given through the compromising process of redundant storage and query efficiency of temporal data. The corresponding update algorithm is designed for the operations such as increase and deletion of the model. The practice shows that the improved model obtains nearly 58% of the temporal query performance boost after increasing the redundant storage data by 16% or so.

关 键 词：时态数据模型 冗余存储 时态过滤 

分 类 号：TP311.13[自动化与计算机技术—计算机软件与理论]