Title: Data Object vs Value Object

What's difference between data object and value object
in XDoclet?

I've found documentation for the Value Object pattern
(http://java.sun.com/blueprints/patterns/j2ee_patterns/value_object/index.html)

and for the Data Access Object pattern
(http://java.sun.com/blueprints/patterns/j2ee_patterns/data_access_object/)

But I can't find a definition of the "Data Object" pattern.
It seems that in XDoclet the <dao> subtask is different
from the <dataobject> subtask, so am I correct in assuming
the dao and dataobject don't have anything to do with each
other in XDoclet?

Thanks for any enlightenment!
JD

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