About: http://webisa.webdatacommons.org/440630705

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	The difference between the number of weeks of participation and the number of child-weeks of data reflects missing information and periods such as holidays and vacations when children were not in attendance.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com