<book><title>Data on the Web</title><author>Serge Abiteboul</author><author>Peter Buneman</author><author>Dan Suciu</author><section id="intro" difficulty="easy"><title>Introduction</title><p>Text ... </p><section><title>Audience</title><p>Text ... </p></section><section><title>Web Data and the Two Cultures</title><p>Text ... </p><figure height="400" width="400"><title>Traditional client/server architecture</title><image source="csarch.gif"/></figure><p>Text ... </p></section></section><section id="syntax" difficulty="medium"><title>A Syntax For Data</title><p>Text ... </p><figure height="200" width="500"><title>Graph representations of structures</title><image source="graphs.gif"/></figure><p>Text ... </p><section><title>Base Types</title><p>Text ... </p></section><section><title>Representing Relational Databases</title><p>Text ... </p><figure height="250" width="400"><title>Examples of Relations</title><image source="relations.gif"/></figure></section><section><title>Representing Object Databases</title><p>Text ... </p></section></section></book>
