About: http://webisa.webdatacommons.org/298426795

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	Below is a graph taken from the VOC sensor on the air monitor from about twenty minutes of standing by the Shibuya crossing:
http://www.w3.org/ns/prov#wasQuotedFrom	safecast.org