Use efficient hash set to ensure that there are no duplicate binary features
Use efficient hash set to ensure that there are no duplicate binary features

factorie/factorie,zxsted/factorie,asubbaswamy/factorie,malcolmgreaves/factorie,hlin117/factorie,patverga/factorie,strubell/factorie,joprice/factorie,Craigacp/factorie,pogren-oracle/factorie,melisabok/factorie,digitalreasoning/factorie-scala-210