Sorin Sav Gareth J. F. Jones Hyowon Lee Noel E. O'Connor Alan F. Smeaton Interactive Experiments in Object-Based Retrieval. 1-10 2006 conf/civr/2006 CIVR http://dx.doi.org/10.1007/11788034_1 db/conf/civr/civr2006.html#SavJLOS06