Chad Carson Megan Thomas Serge Belongie Joseph M. Hellerstein Jitendra Malik Blobworld: A System for Region-Based Image Indexing and Retrieval. 509-516 http://link.springer.de/link/service/series/0558/bibs/1614/16140509.htm 1999 conf/visual/1999 VISUAL db/conf/visual/visual99.html#CarsonTBHM99