About: http://webisa.webdatacommons.org/169679016

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	We have had ours for 4 years now, and other than replacing batteries, have not needed to do anything else (with rechargeable batteries, it would be even cheaper, though the regular batteries last quite a long time in them, about a year).
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com