Efficient Update Propagation by Speculating Replica Locations on Peer-to-Peer Networks. - Ai Hayakawa; Masato Asahara; Kenji Kono; Toshinori Kojima (ICPADS, 2009)

Embedding Network Coordinates into the Heart of Distributed Hash Tables. - Toshinori Kojima; Masato Asahara; Kenji Kono; Ai Hayakawa (Peer-to-Peer Computing, 2009)

P2P-Based Approach to Finding Replica Server Locations for Alleviating Flash Crowds. - Masato Asahara; Kenji Kono; Toshinori Kojima; Ai Hayakawa (IEICE Trans. Inf. Syst., 2010)

A Strategy for Efficient Update Propagation on Peer-to-Peer Based Content Distribution Networks. - Ai Hayakawa; Masato Asahara; Kenji Kono; Toshinori Kojima (Inf. Media Technol., 2010)

Practical Approach to Integrating Network Coordinates with Distributed Hash Tables. - Toshinori Kojima; Masato Asahara; Kenji Kono; Ai Hayakawa (Inf. Media Technol., 2011)

Reducing the TCP ACK packet backlog at the WLAN access point. - Ai Hayakawa; Saneyasu Yamaguchi; Masato Oguchi (IMCOM, 2015)