Aparna Lakshmi Ratan Oded Maron W. Eric L. Grimson Tomás Lozano-Pérez A Framework for Learning Query Concepts in Image Classification. 1423- 1999 conf/cvpr/1999 CVPR http://computer.org/proceedings/cvpr/0149/volume1/01491423abs.htm db/conf/cvpr/cvpr1999.html#RatanMGL99