Improving Search Efficiency Adopting Hill-Climbing to Ant Colony Optimization for Constraint Satisfaction Problems. - Daiki Hayakawa; Kazunori Mizuno; Hitoshi Sasaki; Seiichi Nishihara (KSE, 2011)

A population based cunning ant system for constraint satisfaction problems. - Daiki Hayakawa; Kazunori Mizuno; Hitoshi Sasaki; Seiichi Nishihara (SCIS&ISIS, 2012)

Estimating the Purpose of Discard in Mahjong to Support Learning for Beginners. - Miki Ueno; Daiki Hayakawa; Hitoshi Isahara (DCAI, 2018)

A 900-MHz, 3.5-mW, 8-bit Pipelined Subranging ADC Combining Flash ADC and TDC. - Kenichi Ohhata; Daiki Hayakawa; Kenji Sewaki; Kento Imayanagida; Kouki Ueno; Yuuki Sonoda; Kenichiro Muroya (IEEE Trans. Very Large Scale Integr. Syst., 2018)