The result of this work , UML 1.1 , was submitted to the OMG in August 1997 .
The result of this work , UML 1.1 , was adopted by the OMG in November 1997 .
The result of this work , UML 1.1 , was submitted to the OMG in August 1997 and adopted by the OMG in November 1997 .