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An Efficient Dynamic Indexing Model for Various Structure Retrievals of XML Documents  

신승호 (대우정보시스템(주))
손충범 (인하공업전문대학 정보통신)
강형일 (주성대학 멀티미디어정보통신공)
유재수 (충북대학교 전기전자컴퓨터공학부)
Publication Information
Journal of KIISE:Databases / v.31, no.1, 2004 , pp. 48-60 More about this Journal
Abstract
XML documents consist of elements that are basic units of information. When the structure of XML documents is changed dynamically, we need to update structure information efficiently without changing the information of the index structure for fast retrieval. In this paper, we propose a dynamic indexing model scheme that updates the index structure in real time as the structure of XML documents is changed by insertion and deletion of elements. Our dynamic indexing model consists of a structure information representation method and a dynamic index structure. The structure information representation method supports various types of structure retrievals. Our dynamic index structure processes various structural queries efficiently. We show through various experiments that our method outperforms existing ones in processing various types of queries such as content based queries, structural queries and hybrid queries.
Keywords
XML; XML; Dynamic Indexing Model; Structural Query;
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