8 XML warehouse – 2002 8 Very structured information such as databases –Most DBMS now export in XML Semi-structured data such as data exchange formats (ASN.1, SGML), e.g., technical documentation Documents –Meta-data: Author, date, status –Existing structure in them: chapter, section, table of content and index –Possibly tagging of elements in it (citation, lists) –Links to other documents Meta data for unstructured data such as images and sound Plain text XML covers the information spectrum XML
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