About: http://webisa.webdatacommons.org/166502936

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 SEC yield is a form of yield to maturity (YTM) that factors in this gradual erosion of bond value into the yield, which is why it is lower.The SEC yield is an average YTM based on the previous 30 days.
http://www.w3.org/ns/prov#wasQuotedFrom	bogleheads.org