Formal and conceptual models for XML structures the past present and future
نویسندگان
چکیده
XML is universally recognized as the standard document format for the purpose of inter change and device independent presentation Literature shows many e orts towards the devel opment of formal and conceptual models for XML although no commonly accepted model exists as yet In this paper we present a survey of some formal and conceptual modeling techniques and discuss the merits and shortcomings of such techniques We then present HNR Heteroge neous Nested Relations a formal modeling method for representing XML and discuss how this formal model could be used to derive many useful results on XML query language and how this could lead to a potential conceptual modeling technique as well
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تاریخ انتشار 2003