About: http://webisa.webdatacommons.org/211905536

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	The sheet rolled up, but there was no indication that anything was happening, except for the fact that, in Activity Monitor, Mail.app was using 99% CPU. About a half hour later, my file appeared!
http://www.w3.org/ns/prov#wasQuotedFrom	macworld.com