17.3. Benchmark Data Set
The structure of a relevant benchmark data set must be complex enough to capture all characteristics of XML data representation. XML and relational data models are radically different. In particular, XML provides an implicit ordering of its elements since it is designed as a subset of SGML to represent documents. XML also provides references, deep nesting, as well as hyperlinks. These features, which we elaborate upon in the next section, are similar to those found in object-oriented models. In addition to the traditional object-oriented complex object-modeling features, the benchmark database should also capture the document (i.e., the implicit order of elements) and navigation (references) features while providing an ...
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