@inproceedings{HCI-SEC-1997-SugimotoKT,
	author        = "Masanori Sugimoto and Norio Katayama and Atsuhiro Takasu",
	booktitle     = "{Proceedings of the Seventh International Conference on Human-Computer Interaction. Volume 2: Social and Ergonomic Considerations}",
	isbn          = "0-444-82183-X",
	pages         = "759--762",
	publisher     = "{Elsevier}",
	title         = "{A System for Exploring Information Spaces}",
	year          = 1997,
}