Semantic Image Retrieval based on Ontology and Relevance Model - A Preliminary Study. - Ernest Weke Maina; Manabu Ohta; Kaoru Katayama; Hiroshi Ishikawa 004 (J. Digit. Inf. Manag., 2005)

Indexing Method for Hierarchical Graphs based on Relation among Interlacing Sequences of Eigenvalues. - Kaoru Katayama; Ernest Weke Maina (J. Inf. Process., 2015)