Paul Villavicencio Toyohide Watanabe An Approach to a Visual Semantic Query for Document Retrieval. 316-323 2008 Edutainment http://dx.doi.org/10.1007/978-3-540-69736-7_34 conf/edutainment/2008 db/conf/edutainment/edutainment2008.html#VillavicencioW08