<http://webisa.webdatacommons.org/259179481>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<biomedcentral.com> .
<http://webisa.webdatacommons.org/259179481>	<http://www.w3.org/ns/prov#value>	"Web search engines, such as Google, excel at finding a needle in a haystack: a single" .
<http://webisa.webdatacommons.org/prov/395081353>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/259179481> .
<http://webisa.webdatacommons.org/259179481>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .