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XML Schema Transformation Considering Semantic Constraint

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2011, 16(3), pp.53-64
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

Jung Gil Cho ORD ID 1

1성결대학교

Accredited

ABSTRACT

Many techniques have been proposed to store and query XML data efficiently. One way achieving this goal is using relational database by transforming XML data into relational format. It is important to transform schema to preserve the content, the structure and the constraints of the semantics information of the XML document. Especially, key constraints are an important part of database theory. Therefore, the proposal technique has considered the semantics of XML as expressed by primary keys and foreign keys. And, the proposal technique can preserve not only XML data constraints but also the content and the structure and the semantics of XML data thru transformation process. Transforming information is the content and the structure of the document(the parent-child relationship), the functional dependencies, semantics of the document as captured by XML key and keyref constraints. Because of XML schema transformation ensures that preserving semantic constraints, the advantages of these transformation techniques do not need to use the stored procedure or trigger which these data ensures data integrity in the relational database. In this paper, there is not chosen the ID/IDREF key which supported in DTD, the inheritance relationship, the implicit referential integrity.

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