Prominent examples include Freebase (Bollacker 2008) which powers the Google Knowledge Graph, Con-ceptNet (Havasi 2007), YAGO (Suchanek 2007), and others.
our setting resembles the established task of fine-grained typing for noun phrases (Fleischmann 2002), with the difference being that we disregard common nouns and phrases for prominent in-KB entities and instead exclusively focus on the difficult case of phrases that likely denote new entities.