Compact routing for average-case networks. - Kazuo Iwama; Masaki Okita (PODC, 2002)

Compact Routing for Flat Networks. - Kazuo Iwama; Masaki Okita (DISC, 2003)

Max-Stretch Reduction for Tree Spanners. - Kazuo Iwama; Andrzej Lingas; Masaki Okita (Algorithmica, 2008)