Complex sentence: The conference did not take place from 2004 to 2006; it was revived in 2007 at ETH Zurich with an extended scope, encompassing not only objects and components but all modern approaches to software technology.
Split into simpler sentences: The conference did not take place from 2004 to 2006. It was revived in 2007 at ETH Zurich with an extended scope, encompassing not only objects and components but all modern approaches to software technology.