Learning to Un-Rank
Asia J. Biega, Azin Ghazimatin, Hakan Ferhatosmanoğlu, Krishna P. Gummadi, Gerhard Weikum · 2017
Search engines in online communities such as Twitter or Facebook not only return matching posts, but also provide links to the profiles of the authors. Thus, when a user appears in the top-k results for a sensitive keyword query, she becomes widely exposed in a sensitive context. The effects of such exposure can result in a serious privacy violation, ranging from embarrassment all the way to becoming a victim of organizational discrimination.