Kazutaka Shimada Suguru Ishikawa Tsutomu Endo Web Image Retrieval for Abstract Queries Using Text and Image Information. 300-309 2009 AIRS http://dx.doi.org/10.1007/978-3-642-04769-5_26 conf/airs/2009 db/conf/airs/airs2009.html#ShimadaIE09