About: http://webisa.webdatacommons.org/121563872

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	A question which I think that you must often have heard persons ask:-How can you determine whether at this moment we are sleeping, and all our thoughts are a dream; or whether we are awake, and talking to one another in the waking state?
http://www.w3.org/ns/prov#wasQuotedFrom	mit.edu