Craig Conway, fired as PeopleSoft's chief executive officer before the company was bought by Oracle, was in England last week.
PeopleSoft wasn't previously owned by Oracle.
The context says PeopleSoft was bought by Oracle. Therefore, logically there was a previous time when Oracle did not own the company.
( z1 own :polarity - :ARG0 ( z2 company :name ( z3 name :op "Oracle" ) ) :ARG1 ( z4 company :name ( z5 name :op "PeopleSoft" ) ) :time ( z6 previous ) )