<results><result><title>TCP/IP Illustrated</title><author><last>Stevens</last><first>W.</first></author></result><result><title>Advanced Programming in the Unix environment</title><author><last>Stevens</last><first>W.</first></author></result><result><title>Data on the Web</title><author><last>Abiteboul</last><first>Serge</first></author><author><last>Buneman</last><first>Peter</first></author><author><last>Suciu</last><first>Dan</first></author></result><result><title>The Economics of Technology and Content for Digital TV</title></result></results>