PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • So we can view all lines that do not have a tab, and make sure there is nothing except comments and the COPY and \. lines:$ grep -v -P ' ' alpha.data.pgThe grep option -P (aka --perl-regexp) instructs grep to interpret the argument (backslash t in this case) as a Perl regular expression.
http://www.w3.org/ns/prov#wasQuotedFrom
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