Roger Weber Klemens Böhm Hans-Jörg Schek Interactive-Time Similarity Search for Large Image Collections Using Parallel VA-Files. 83-92 2000 conf/ercimdl/2000 ECDL http://link.springer.de/link/service/series/0558/bibs/1923/19230083.htm db/conf/ercimdl/ecdl2000.html#WeberBS00