The ACS ( Ambient Control Space ) is the internal network of an environment .
The ACS ( Ambient Control Space ) is the ambient of an internal network .

Are these two sentences paraphrases of each other?
no

His second wife was Anna Williams , sister of his first wife .
His second wife was Anna Williams , his first wife 's sister .

Are these two sentences paraphrases of each other?
yes

Mode 9 was born on June 14 , 1975 in London as the third child of his parents , but claimed ( Osun State ) as his origins .
Mode 9 was born on 14 June 1975 as the third child of his parents in the state of Osun , but claims ( London ) as his origin .

Are these two sentences paraphrases of each other?
no

A historic figure is a famous person in history , such as Catherine the Great , Abraham Lincoln , Washington , or Napoleon .
A historical figure is a famous person in history , such as Catherine the Great , Abraham Lincoln , Washington , or Napoleon .

Are these two sentences paraphrases of each other?
yes