About: http://webisa.webdatacommons.org/39986322

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	You can probably generate all subsequences using Algorithm::Loops, and perhaps use some regex stuff to check whether a string was a subsequence of another.
http://www.w3.org/ns/prov#wasQuotedFrom	perlmonks.org