title: semcog : an object-based image retrieval system and its visual query interface. authors: w li , k candan , k hirata , y hara. venue: sigmod conference. year: 1997
title: semcog : an object-based image retrieval system and its visual query language. authors: ws li , c ks , k hirata , y hara. venue: proceedings of acm sigmod international conference on. year: nan