Giving nearly a third of the total weighting to research impact is questionable. Giving nearly a third to just one of several possible indicators of research impact is dangerous. Apart from anything else, it means that any errors or methodological flaws might undermine the entire ranking.
One practical suggestion: try variations on your search. Computers, like human beings in opinion surveys, are sometimes surprisingly sensitive to small differences in phrasing.
Lessons Learned Information Sharing (LLIS.gov) is a Department of Homeland Security/Federal Emergency Management Agency program. LLIS.gov serves as the national, online network of lessons learned, best practices, and innovative ideas for the emergency management and homeland security communities. This information and collaboration resource helps emergency response providers and homeland security officials prevent, protect against, respond to, and recover from terrorist attacks, natural disasters, and other emergencies. LLIS.gov provides federal, state, and local responders and emergency managers with a wealth of information and front-line expertise on effective planning, training, and operational practices across homeland security functional areas.