About: http://webisa.webdatacommons.org/285579350

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	Best I can suggest in the meantime is to search for some reviews and comparisons to see what other people report from personal experience with them.
http://www.w3.org/ns/prov#wasQuotedFrom	linesandcolors.com