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Extract DTD documents rapidly by using pattern extraction method and eliminate the embedded ring in DTD by redefining the duplication name in document to solve the complex situation of which the embedded ring existed in XML document and the optimization scheme based on the interval encoding index can't solve. Map back DTD which eliminate the embedded ring to XML document, analyze XQuery query statement...
With the promotion and application of XML standards, an increasing number of organizations and institutions are using XML in their information management and data exchange. The classic problem of data management has emerged, namely, how to effectively store, retrieve, index, query and update the XML documents. This paper presents a native XML storage scheme seamlessly integrated with relational database,...
Based on the comparison of the current coding method, PSB-a new coding method was proposed, which can rapidly and accurately judge the parent-child ancestor/descendant and sibling relationships between any two nodes of the XML document tree. Based on prime and sequence number, this coding method was adopted to support the XML update, which can effectively reduce the secondary XML coding rate. Experiments...
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