From Government Linked Data (GLD) Working Group Wiki
I am Deputy Director of USC's Information Sciences Institute and head of its AI Division (ISD). I have worked in the area of information integration for about 20 years. I worked with the NSF's Digital Government Research program from its inception around 1998 until its end 10 years later helped establish the Digital Government Society of North America (DGSNA).
ISI has several researchers who have worked on and continue to do semantic web research.