On integrating heterogeneous lifelog services. - Akira Shimojo; Saori Kamada; Shinsuke Matsumoto; Masahide Nakamura (iiWAS, 2010)

Implementing and evaluating life-log mashup platform using RDB and web services. - Akira Shimojo; Shinsuke Matsumoto; Masahide Nakamura (iiWAS, 2011)