Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/19375
標題: 一個XML文件正規化工具的實作
The Implementation of a Normalization Tool for XML Documents
作者: 蔡儀男
Tsai, Yi-Nan
關鍵字: XML
XML Schema
Tree Tuples
XFD
XNF
出版社: 資訊科學系所
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摘要: 最早對XML正規化提出明確定義的論文,是Arenas 與 Libkin在2002年發表的“A Normal Form for XML Documents”。在該論文當中,作者描述了XML Functional Dependency(XNF),以及XML Normal Form(XFD)的定義。作者並宣稱:XML資料模型的XNF,相當於關聯式資料模型的BCNF。該論文所發表的正規化演算法,也是現在許多XML正規化相關研究的基礎與比較基準。 本論文針對Arenas 與 Libkin所提出的演算法提出下列三項修正演算法: (1) 清除修改觸發結構改變的問題(Eliminating the problem of structure changes triggered by modification)。 (2) 應用聯集推論法則清除重複結構問題(Eliminating duplicated structures by using union inference rule)。 (3) 允許指定相同物件以消除重複結構(Eliminating duplicated structures by specifying object reference equality constraints)。 我們提出的演算法,已實作為一個可執行的XML正規化工具。據我們所了解,之前XML正規化的研究,多屬理論上的探討,本論文所展示的工具,是目前所知第一個具體實作的XML正規化工具。
URI: http://hdl.handle.net/11455/19375
其他識別: U0005-2308200617085000
文章連結: http://www.airitilibrary.com/Publication/alDetailedMesh1?DocID=U0005-2308200617085000
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