Complex sentence: It was held at the University of Massachusetts at Boston in the United States from July 23-25,2004, and coordinated by the Boston-based labor-community network, the Campaign on Contingent Work (later renamed Massachusetts Global Action).
Split into simpler sentences: It was held at the University of Massachusetts at Boston in the United States from July 23-25,2004. The event was coordinated by the Boston-based labor-community network, the Campaign on Contingent Work (later renamed Massachusetts Global Action).