A zooming interface for accurate text input on mobile devices. - Naoto Koarai; Takashi Komuro (CHI Extended Abstracts, 2013)

PZBoard: a prediction-based zooming interface for supporting text entry on a mobile device. - Toshiaki Aiyoshizawa; Naoto Koarai; Takashi Komuro (MobileHCI Adjunct, 2016)