About: http://webisa.webdatacommons.org/411076694

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	During an allergic reaction, the body produces a chemical called histamine, which causes allergy symptoms such as hives, runny nose, sneezing, itchy throat, congestion, and itchy watery eyes.
http://www.w3.org/ns/prov#wasQuotedFrom	canada.com