About: http://webisa.webdatacommons.org/19940354

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	+ $nth = substr($byday_day, 0, -2); // everything except the last two characters
http://www.w3.org/ns/prov#wasQuotedFrom	sourceforge.net