About: http://webisa.webdatacommons.org/5615736

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, precise determination of agent positions is a challenging task, especially in harsh environments due to radio blockage or limited anchor deployment.
http://www.w3.org/ns/prov#wasQuotedFrom	ieee.org