A product retrieval system robust to subjective queries. - Kenji Sugiki; Shigeki Matsubara (ICDIM, 2007)

Underground Positioning: Subway Information System Using WiFi Location Technology. - Nobuo Kawaguchi; Motoki Yano; Shogo Ishida; Takeshi Sasaki; Yohei Iwasaki; Kenji Sugiki; Shigeki Matsubara (Mobile Data Management, 2009)

Product retrieval based on semantic similarity of consumer reviews to natural language query. - Kenji Sugiki; Shigeki Matsubara (Int. J. Knowl. Web Intell., 2010)