<http://webisa.webdatacommons.org/prov/290149602>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/397703456> .
<http://webisa.webdatacommons.org/397703456>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/420263627>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/397703456> .
<http://webisa.webdatacommons.org/397703456>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<air-purifiers-america.com> .
<http://webisa.webdatacommons.org/397703456>	<http://www.w3.org/ns/prov#value>	"Allergies are triggered by substances called allergens, such as pollen or mold spores." .