Querying spatiotemporal XML using DataFoX

Yi Chen, P. Revesz
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引用次数: 12

Abstract

We describe DataFoX, which is a new query language for XML documents and extends Datalog with support for trees as the domain of the variables. We also introduce for DataFoX a layer algebra, which supports data heterogeneity at the language level, and several algebra-based evaluation techniques.
使用DataFoX查询时空XML
我们描述了DataFoX,它是XML文档的一种新的查询语言,它扩展了Datalog,支持树作为变量的域。我们还为DataFoX引入了一种层代数,它支持语言级别的数据异构性,以及几种基于代数的评估技术。
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