conf/cvpr/1999,
1999 Conference on Computer Vision and Pattern Recognition (CVPR '99), 23-25 June 1999, Ft. Collins, CO, USA, CVPR, 1999, http://dblp.uni-trier.de/db/conf/cvpr/cvpr1999.html, IEEE Computer Society, 0-7695-0149-4
conf/dexaw/2004,
15th International Workshop on Database and Expert Systems Applications (DEXA 2004), with CD-ROM, 30 August - 3 September 2004, Zaragoza, Spain, DEXA Workshops, 2004, http://dblp.uni-trier.de/db/conf/dexaw/dexaw2004.html, IEEE Computer Society, 0-7695-2195-9