About: http://webisa.webdatacommons.org/434633514

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	So I have actually done my analyses where I have looked at only pre-Katrina, pre- versus post-Katrina and just post-Katrina, in fact all... well, to answer your question, if we look at just pre-Katrina, there is a gap.
http://www.w3.org/ns/prov#wasQuotedFrom	nij.gov