3 <!DOCTYPE work-packages [
4 <!ELEMENT work-packages (work-package+)>
6 <!ELEMENT work-package EMPTY>
12 <work-package file="project-management"/>
13 <work-package file="requirement-analysis"/>
14 <work-package file="transformation"/>
15 <work-package file="metadata"/>
16 <work-package file="interfaces"/>
17 <work-package file="distribution"/>
18 <work-package file="testing-and-validation"/>
19 <work-package file="information-dissemination-and-exploitation"/>