About: http://webisa.webdatacommons.org/298365886

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	Here, although the distance ???a??? should be 0 in design, there are many cases where the distance ???a??? becomes a value other than 0 actually, because of change in the surrounding environment or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com