PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Table 1 summarizes risk factors for youth gang membership that have been identified in studies using many types of research methods, including cross-sectional, longitudinal, and ethnographic (observational) studies.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ojjdp.gov