Assertion: blacklist | /r/HasProperty | a blackhole list
Facets:
value: alternatively
type: DEGREE
Source sentences:
text: Also referred to as a blackhole list, the blacklist also can include ISPs that allow known spammers to use their services.
text: Alternatively referred to as a blackhole list, a blacklist is a record of bad e-mail addresses or Internet service providers that send spam e-mail a user or company.