About: http://webisa.webdatacommons.org/3696062

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	Also note that some email providers place limits on the size of the files that can be attached to email messages, while others block certain types of attachments (such as executable files with the .exe extension) to prevent viruses.
http://www.w3.org/ns/prov#wasQuotedFrom	usf.edu