About: http://webisa.webdatacommons.org/418721338

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	Wild guess (you should be asking Pagely why they deem it is a risk to get the actual answer), it is probably because .com is a file extension he is used by windows for some types of executables.
http://www.w3.org/ns/prov#wasQuotedFrom	serverfault.com