About: http://webisa.webdatacommons.org/66109028

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	Therefore, some types of observations are time-consuming, and labor-intensive.
http://www.w3.org/ns/prov#wasQuotedFrom	preservearticles.com