PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Research Performed by: Center for Transportation Research; Research Supervisor: Randy B. Machemehl; Researchers: Li Wang [and three others] ??? The safety of workers and motorists is a major concern, and the Federal Highway Administration recognizes this challenge and makes provisions for work zone safety in the 6640-PSR [CTR] ...
http://www.w3.org/ns/prov#wasQuotedFrom
  • utexas.edu