A graph-based algorithm for extracting units and loops from architectural floor plans for a building evacuation model. - G. S. Zhi; S. M. Lo; Z. Fang (Comput. Aided Des., 2003)

Graph theory-based approach for automatic recognition of CAD data. - H. C. Huang; S. M. Lo; G. S. Zhi; Richard Kwok Kit Yuen (Eng. Appl. Artif. Intell., 2008)