A modified cuckoo search algorithm for dynamic optimization problems. - Yuta Umenai; Fumito Uwano; Yusuke Tajima; Masaya Nakata; Hiroyuki Sato; Keiki Takadama (CEC, 2016)

Strategies to Improve Cuckoo Search Toward Adapting Randomly Changing Environment. - Yuta Umenai; Fumito Uwano; Hiroyuki Sato; Keiki Takadama (ICSI (1), 2017)

Study of Analytical Methods on the Relationship between Sleep Quality and Stress with a focus on Human Circadian Rhythm. - Ryo Takano; Satoshi Hasegawa; Yuta Umenai; Takato Tatsumi; Keiki Takadama; Toru Shimuta; Toru Yabe; Hideo Matsumoto (AAAI Spring Symposia, 2018)

Improving Sleep Stage Estimation Accuracy by Circadian Rhythm Extracted from a Low Frequency Component of Heart Rate. - Akari Tobaru; Fumito Uwano; Takuya Iwase; Kazuma Matsumoto; Ryo Takano; Yusuke Tajima; Yuta Umenai; Keiki Takadama (AAAI Spring Symposia, 2018)

Multiple swarm intelligence methods based on multiple population with sharing best solution for drastic environmental change. - Yuta Umenai; Fumito Uwano; Hiroyuki Sato; Keiki Takadama (GECCO (Companion), 2018)