Presentation	1999/1/22 An XML Storage and Retrieval Method based on a Semistructured Data Model Takuya Kitano, Misa Namiuchi,
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Abstract(in English)	We propose a method of XML document management based on a tree model.Each XML element in a document marked by a tag has at most one parent element and more than zero elements.A document structure is made up of its elements like a tree.In our method, an index is created, based on the tree structure for each XML document, and each index is stored with the document.Users can retrieve elements in XML documents by the index.We adopt a general path expression in our query model.Users give an ambiguous retrieval condition for the document structure with the general path expression.The general path expression absorbs the difference of the structure, even though DTDs for the documents are various.Generally, the performance of retrieval including such an ambiguous query expression is not so high.In this paper, the performance decline is improved by an optimization for element search path.
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Paper #	DE98-50
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Conference Information
Committee	DE
Conference Date	1999/1/22(1days)
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Paper Information
Registration To	Data Engineering (DE)
Language	JPN
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Title (in English)	An XML Storage and Retrieval Method based on a Semistructured Data Model
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1st Author's Name	Takuya Kitano
1st Author's Affiliation	C&C Media Research Laboratories, NEC Corporation()
2nd Author's Name	Misa Namiuchi
2nd Author's Affiliation	C&C Media Research Laboratories, NEC Corporation
Date	1999/1/22
Paper #	DE98-50
Volume (vol)	vol.98
Number (no)	560
Page	pp.pp.-
#Pages	8
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