Description
The attribute aboutEachPrefix used in rdf:Description element creates a bag of all resources URI of which starts with given
string.
Source
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:lib="http://www.zvon.org/library">
<rdf:Description aboutEachPrefix="The">
<lib:firstWord>The</lib:firstWord>
</rdf:Description>
<lib:Author about="RD">
<lib:firstName>Roald</lib:firstName>
<lib:surname>Dahl</lib:surname>
</lib:Author>
<lib:Author about="JC">
<lib:firstName>Joseph</lib:firstName>
<lib:surname>Conrad</lib:surname>
</lib:Author>
<lib:Book about="Matilda">
<lib:creator rdf:resource='RD'/>
<lib:pages>240</lib:pages>
</lib:Book>
<lib:Book about="The BFG">
<lib:creator rdf:resource='RD'/>
<lib:pages>208</lib:pages>
</lib:Book>
<lib:Book about="Heart of Darkness">
<lib:creator rdf:resource='JC'/>
<lib:pages>110</lib:pages>
</lib:Book>
<lib:Book about="Lord Jim">
<lib:creator rdf:resource='JC'/>
<lib:pages>314</lib:pages>
</lib:Book>
<lib:Book about="The Secret Agent">
<lib:creator rdf:resource='JC'/>
<lib:pages>249</lib:pages>
</lib:Book>
</rdf:RDF>
Output
Top
The names of following books start with The:
The BFG
The Secret Agent