Transfer of Semantic Web Technologies to Requirements Engineering

What is the minumum level of Semantic Web Technology that can mitigate (and hopefully overcome) limitations in present-day tools? Figure: Requirements Engineering WBS (Create Branch) to Semantic Layer Cake (Selberg, 2002). Figure: Requirements Engineering WBS (Use Branch) to Semantic Layer Cake (Selberg, 2002). References Selberg S., "Requirements Engineering and the Semantic Web," M.S. Thesis, Institute for Systems Research, University of Maryland, College Park, MD 20742, April 2002.