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基于XML的时态数据管理

, PP. 82-86

Keywords: XML,时态数据,数据模型

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Abstract:

时态数据的多种查询操作要求数据以时间为基准成组存放,XML文档中数据的半结构化特性很好地适应了这一要求.在不考虑索引技术等查询优化方法的情况下,时态数据文件的长度是影响查询效率的关键因素之一.首先探讨了两种常用的表示时间属性的方法属性时戳模型和元素时戳模型;提出了一种新的方法前缀时戳模型.在3种时态XML数据模型的基础上,利用XML文档中祖先元素与子孙元素在时间区间上的相关性,消除了文档中的时间冗余信息,实验结果表明这一方法能够取得较好的压缩比.

References

[1]  [ FushengW ang, Ca rlo Zaniolo, X in Zhou. Tem po ra lXML SQL str ikes back! [ C] / / Proceed ing s o f the 12th Internationa l Symposium on Tem pora lRepresentation and Reason ing. Verm ont, USA: IEEE Computer Soc ie ty, 2005: 47-55.
[2]  [ FushengW ang, X in Zhou, Carlo Zan io lo. Temporal info rma tion m anagem ent us ing XML[ J]. ER, 2004, 3288: 858-859.
[3]  [ FushengW ang, X in Zhou, Car lo Zan io lo. U singXML to build e fficien t transaction- tim e database system s on re lational databases[C] / / Proc of ICDE 2006. Atlanta, USA: IEEE Com puter So ciety, 2006: 131-134.
[4]  [ G rand i F, M andreo li F. The va lid web: an XML /XSL infrastructure fo r temporal m anagem ent o f w eb docum ents[ C] / / ADVIS. 2000, 1909: 294-303.
[5]  [ 叶小平, 陈铠原, 汤庸, 等. 时态XML索引技术[ J]. 计算机学报, 2007, 30( 7): 1 074-1 085.
[6]  Ye X iaop ing, Chen Ka iyuan, Tang Yong, e t a.l Techno logy on tem pora l XML index ing[ J]. Ch inese Journal o f Com puters,2007, 30( 7): 1 074-1 085. ( in Ch inese)
[7]  [ W ayne Rando lph, Dany K ing. Scenario g eneration: XML to the rescue [ C ] / / 2002 SPRING SIW. Or lando, USA: SISO,2002: 02S-S IW-075.
[8]  [ Gultek in? zsoyog lu, R ichard T Snodgrass. Temporal and rea-l tim e database a survey [ J] . IEEE T ransactions on Know ledge and Data Eng ineer ing, 1995, 7( 4): 513-532.
[9]  [ C liffo rd J, CrokerA, Grand i F, e t a .l On tem poral g roup ing [ C ] / / Proceed ings of the Internationa lW orkshop on Tem pora lDatabases:Recen tAdvances in Temporal Databases. London, UK: SpringerV erlag, 1995: 194-213.
[10]  [ R ichard Snodgrass. The temporal query language tquel[ J]. ACM T ransactions on Database System s, 1987, 12( 2): 247-298.

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