Change-Centric Management of Versions in an XML Warehouse

Change-Centric Management of Versions in an XML Warehouse
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发表时间:
2001-09
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通讯作者:
A. Marian;S. Abiteboul;G. Cobena;L. Mignet
A. Marian;S. Abiteboul;G. Cobena;L. Mignet
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其他
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作者:
A. Marian;S. Abiteboul;G. Cobena;L. Mignet

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:我们提出了一种以更改为中心的方法来管理XML数据Web仓库中的版本。起点是我们从Web上获得的一系列XML文档的快照。通过运行di(Cid:11)算法,我们计算两个连续版本之间的变化。然后,我们使用基于完整的增量和持久的同一性(CID:12)ER的变化的新表示来表示序列。我们介绍了逻辑表示的基础和物理存储策略的某些方面。本文介绍的工作是在Xyleme项目的背景下开发的,Xyleme项目是为来自Web的XML数据提供大量的XML仓库。它已经实现并进行了测试。我们简要讨论一下实施情况。
: We present a change-centric method to manage versions in a Web WareHouse of XML data. The starting points is a sequence of snapshots of XML documents we obtain from the web. By running a di(cid:11) algorithm, we compute the changes between two consecutive versions. We then represent the sequence using a novel representation of changes based on completed deltas and persistent identi(cid:12)ers. We present the foundations of the logical representation and some aspects of the physical storage policy. The work presented here was developed in the context of the Xyleme project of massive XML warehouse for XML data from the Web. It has been implemented and tested. We brie(cid:13)y discuss the implementation.