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Text encoding is considered as the most functional outset to store and retrieve data, with trees of information and lists of concordances as its first immediate results, but there is a wide range of possible results opening up when a complete encoding process is accomplished. The three case studies described in this paper are meant to give an overall view on the preliminary steps of a wider project...
At present many commercial database using Xpath and XQuery as XML retrieval standard, grammar about XPath and XQuery is complicated , it is difficult for general user to use. In this paper, the research work is focused on the keyword retrieval technology of XML document, designs a XML full-text information retrieval similar to HTML full-text information retrieval,proposes inverted-file retrieval method...
Traditional mixed index method combines the inverted file with a structure index and implements the retrieval of both context and structure. However, it is neither efficient nor supports for xml documents updating. This study presents a novel mixed index method to overcome these disadvantages. It can be used to optimize the query of path expression, decrease the number of update operations, accelerate...
Mathematics accessibility for the blind attracts more and more attention in recent years. It aims to make mathematical documents and information accessible to the blind via computer and Internet. Several projects have made considerable progress in meeting the challenges in mathematics accessibility. One of the remaining challenges is the translation between mathematical formats used by sighted individuals...
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,...
As a de facto standard for information representation and exchange over the Internet, XML has been used extensively in many applications. And XML query technology has attracted more and more attention in data management research community. Standard XML query languages, e.g. XPath and XQuery, use twig pattern as a basic unit to match relevant fragments from a given XML document. However, in most existing...
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