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作者:... Dennis Heinrich , Thilo Pionteck , Sven Groppe
来源:[J].Microprocessors and Microsystems(IF 0.549), 2017, Vol.53, pp.178-189Elsevier
摘要:Abstract(#br)This paper introduces the concept of Semi-static Operator Graphs (SOG) to provide a runtime reconfigurable accelerator for query execution based on a Field Programmable Gate Array (FPGA). Instead of generating an FPGA configuration for a given arbitrary query during ...
作者:Sven Groppe , Jinghua Groppe ...
来源:[J].Knowledge and Information Systems(IF 2.225), 2009, Vol.18 (3), pp.331-391Springer
摘要:Abstract(#br)We have to deal with different data formats whenever data formats evolve or data must be integrated from heterogeneous systems. These data when implemented in XML for data exchange cannot be shared freely among applications without data transformation. A common ...
作者:Sven Groppe , Stefan Böttcher ...
来源:[J].Data & Knowledge Engineering(IF 1.519), 2005, Vol.57 (1), pp.64-110Elsevier
摘要:Abstract(#br)Applications using XML for data representation very often use different XML formats and thus require the transformation of XML data. The common approach transforms entire XML documents from one format into another, e.g. by using an XSLT stylesheet. Different from thi...
作者:Sven Groppe , Jinghua Groppe , Stefan Böttcher
来源:[J].Data & Knowledge Engineering(IF 1.519), 2007, Vol.65 (2), pp.198-222Elsevier
摘要:Abstract(#br)XPath is widely used as an XML query language and is embedded in XQuery expressions and in XSLT stylesheets. In this paper which is an extended version of [Sven Groppe, Stefan Böttcher, Jinghua Groppe, XPath Query Simplification with regard to the elimination of...
作者:Sven Groppe , Jinghua Groppe
来源:[J].Information Sciences(IF 3.643), 2008, Vol.178 (21), pp.3989-4018Elsevier
摘要:Abstract(#br)The capabilities of XSLT processing are widely used to transform XML documents into target XML documents. These target XML documents conform to output schemas of the used XSLT stylesheet. Output schemas of XSLT stylesheets can be used for a static analysis of the use...
作者:Sven Groppe , Jinghua Groppe ...
来源:[J].Computer Languages, Systems & Structures(IF 0.296), 2010, Vol.37 (2), pp.76-111Elsevier
摘要:Abstract(#br)XSLT and XQuery are the languages developed by the W3C for transforming and querying XML data. XSLT and XQuery have the same expressive power and can be indeed translated into each other. Many tools either support XSLT or XQuery. In this paper, we show how to transla...
作者:Jinghua Groppe , Sven Groppe
来源:[J].Data & Knowledge Engineering(IF 1.519), 2007, Vol.64 (1), pp.134-169Elsevier
摘要:Abstract(#br)The satisfiability test checks, whether or not the evaluation of a query returns the empty set for any input document, and can be used in query optimization for avoiding the submission and the computation of unsatisfiable queries. Thus, applying the satisfiability te...
作者:... Volker Linnemann , Thilo Pionteck , Sven Groppe
来源:[J].Concurrency and Computation: Practice and Experience(IF 0.845), 2016, Vol.28 (7), pp.2031-2051Wiley
摘要:Summary(#br)While the amount of information steadily increases, the requirements on the response time to query these information become more strict. Under those conditions, conventional database systems reach their limits and cannot meet these performance requirements anymor...

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