<?xml version="1.0" encoding='ISO-8859-1'?>
<!-- Document type definition for a DUC 2003 task submission -->

<!-- a duc task submission is the formatted output of a summarization
system for all the documents or document sets for a single task.
Task 1 produces very short per-document summaries. Tasks 2-4 produce 
short multi-document summaries. For each summary, identify the associated
document set. For each per-document summary, identify the 
individual document being summarized. For each task submission, 
identify the task number.
-->

<!ELEMENT  DUC2003TASKSUBMISSION  (MULTI+|PERDOC+)>
<!ATTLIST  DUC2003TASKSUBMISSION     
                  TASK       (1|2|3|4)          #REQUIRED
>


<!--  Single-document abstract                         -->
<!ELEMENT  PERDOC            (#PCDATA)       > 
<!ATTLIST  PERDOC
                  DOCREF     CDATA              #REQUIRED
                  DOCSET     CDATA              #REQUIRED
>


<!--  Multi-document abstract                          -->
<!ELEMENT  MULTI             (#PCDATA)       > 
<!ATTLIST  MULTI
                  DOCSET     CDATA              #REQUIRED
>