<http://webisa.webdatacommons.org/112141851>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<biomedcentral.com> .
<http://webisa.webdatacommons.org/112141851>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/506658624>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/112141851> .
<http://webisa.webdatacommons.org/112141851>	<http://www.w3.org/ns/prov#value>	"Moreover, existing tools are limited in terms of the types of comparisons" .