Adding Fake Facts to Ontologies Fabian M. Suchanek (Max Planck Institute for Informatics) David Gross-Amblard (University of Rennes 1) (work done at INRIA Saclay) 1
ElvisPedia 2 sang type born Singer All shook up ... Wooden Heart 1935 ElvisPedia cc
Theft of Ontologies 3 Ontological data can be re-used without consent of the owner sang type born Singer All shook up ... Wooden Heart 1935 ElvisPedia EvilPedia sang type 1935 Singer All shook up ... Wooden Heart born cc ?
Major Ontologies 4 Many major ontologies are available under a license that requires giving credit when the data is re-published: YAGO SUMO CC-BY CC-BY-ND CC-BY GFDL CC-BY GPL CC-BY Require attribution when re-used =
Adding Fake Facts 5 We propose to add a few smartly chosen false facts to the ontology. Singer All shook up born 1935 type sang marriedTo
Proof of Ownership 6 If the fake facts appear in the other ontology... Singer born 1935 type born Singer type 1935 marriedTo All shook up sang marriedTo All shook up sang
Adding Fake Facts 7 Singer born 1935 type born Singer type 1935 marriedTo All shook up sang marriedTo All shook up sang If the fake facts appear in the other ontology... ... they act as proof of ownership.
But can't we spot these facts? 8 We don't know. Come try it at our demo! Singer born 1935 type All shook up sang won Grammy Memphis bornIn