An Improved Safety Solver for Computer Go. - Xiaozhen Niu; Martin Müller 003 (Computers and Games, 2004)

Recognizing Seki in Computer Go. - Xiaozhen Niu; Akihiro Kishimoto; Martin Müller 003 (ACG, 2006)

An Open Boundary Safety-of-Territory Solver for the Game of Go. - Xiaozhen Niu; Martin Müller 003 (Computers and Games, 2006)

An Improved Safety Solver in Go Using Partial Regions. - Xiaozhen Niu; Martin Müller 003 (Computers and Games, 2008)