About: http://webisa.webdatacommons.org/23141033

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	Ah, okay, so ???whether there is a solution to the class of DEs is undecidable??? meant ???for each DE in some class, whether it has a solution is undecidable.???
http://www.w3.org/ns/prov#wasQuotedFrom	utexas.edu