PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Climate variability, such as periods of drought and flood as well as longer-term change, may ??? either directly or indirectly ??? profoundly impact on all these three components in shaping food security (Ziervogel et al., 2006; Figure 9.6).
http://www.w3.org/ns/prov#wasQuotedFrom
  • ipcc.ch