ISSUE in using REFRENCE charecterstics

Hi ,

i am new to this bw7.0

I just taken reference of my Attributes & Text and Transaction  info-objects(student id) .

and created new info-objects(student att by ref) .

while adding info-objects as characteristics, i got an issue and solved by(http://scn.sap.com/thread/2010618) .

and i had created DATA SOURCE WHILE TRANSFORMATION I DID FOR "BASE INFO-OBJECT ONLY" ACCORDING TO

(http://scn.sap.com/thread/1299707)

AND I HAD TRIGGERED INFO-PACKAGE records transferred to psa,BUT i am not able to see DTP for that DS ? (PFA)

i also had tried  creating DSO ALSO errors in activation

i hope i am going in a wrong way

please help me out or send me a step by step process document

Thank you