About: http://webisa.webdatacommons.org/338081476

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	They are ???operations??? on the data, in most cased designed to smooth out the swings and fluctuations in the raw data that occur due to seasonality and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	zcomm.org