PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For performance you are better off looking at the relational databases such as Oracle or MySQL.In fact, I found another freeware tool, Request Tracker (RT), http://www.fsck.com/projects/rt/, which I am looking to evaluate in the future.This tool requires you to separately download MySQL and, I believe Perl, though I have not gone through the specifics of setting up this tool yet.BTW, MySQL and Perl
http://www.w3.org/ns/prov#wasQuotedFrom
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