16.1. Introduction
Data present on the Web is unstructured, or has incomplete, irregular, or frequently changed structure. XML is becoming the universal data exchange model on the Web. It has been shown that XML is well suited for representing semi-structured data. Compared to HTML, XML provides explicit data structuring, and data presentation is separated from data content. The aim of this chapter is to present a method for designing and managing an XML warehouse. We have designed and implemented a browser to graphically define XML views in order to simplify and improve the specification of XML views. Furthermore, we also have proposed a strategy for storing XML data in a relational DBMS.
16.1.1. Why a View Mechanism for XML?
The need for information ...
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