About: http://webisa.webdatacommons.org/403466674

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	However, determining nodes' positions precisely is a challenging task, especially in harsh multipath propagation environments.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov